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Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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10-10-2003 дата публикации

Установка обезжелезивания подземных вод в пласте ОЖВ ПНИУИ

Номер: RU0000033133U1
Автор: Евсютин Г.В., Зельцер Ю.Г., Потапенко В.А.
Принадлежит: Открытое акционерное общество "Подмосковный научно-исследовательский и проектно-конструкторский угольный институт"

Установка обезжелезивания подземных вод в пласте, содержащая аэратор с воздушной камерой и камеру смешения, установленные на трубопроводе подачи воды в скважину, которая имеет герметичный оголовок с патрубком, соединенным с воздушной камерой аэратора, отличающаяся тем, что аэратор снабжен накопительной камерой, а воздушная камера выполнена с патрубком, при этом соблюдено условие Sп=Sв.к-Sa, где Sп, Sв.к, Sа - соответственно площади сечения каналов патрубка, воздушной камеры и аэратора. (19) RU (11) 33 133 (13) U1 (51) МПК E02F 1/00 (2000.01) E03B 1/02 (2000.01) РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К СВИДЕТЕЛЬСТВУ Адрес для переписки: 301650, Тульская обл., г. Новомосковск, ул. Комсомольская, 34а, АО "ПНИУИ", патент. бюро (72) Автор(ы): Потапенко В.А., Зельцер Ю.Г., Евсютин Г.В. (24) Дата начала отсчета срока действия патента: 11.02.2003 3 3 1 3 3 R U (57) Формула полезной модели Установка обезжелезивания подземных вод в пласте, содержащая аэратор с воздушной камерой и камеру смешения, установленные на трубопроводе подачи воды в скважину, которая имеет герметичный оголовок с патрубком, соединенным с воздушной камерой аэратора, отличающаяся тем, что аэратор снабжен накопительной камерой, а воздушная камера выполнена с патрубком, при этом соблюдено условие Sп=Sв.к-Sa, где Sп, Sв.к, Sа - соответственно площади сечения каналов патрубка, воздушной камеры и аэратора. Ñòðàíèöà: 1 U 1 U 1 (54) Установка обезжелезивания подземных вод в пласте ОЖВ ПНИУИ 3 3 1 3 3 (73) Патентообладатель(и): Открытое акционерное общество "Подмосковный научно-исследовательский и проектно-конструкторский угольный институт" R U (46) Опубликовано: 10.10.2003 (71) Заявитель(и): Открытое акционерное общество "Подмосковный научно-исследовательский и проектно-конструкторский угольный институт" (21), (22) Заявка: 2003103572/20 , 11.02.2003 U 1 U 1 3 3 1 3 3 3 3 1 3 3 R U R U Ñòðàíèöà: 2 RU 33 133 U1 RU 33 133 U1 RU 33 133 U1 RU 33 133 U1

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Номер записи: 1
10-07-2011 дата публикации

СТЕНД ДЛЯ ОПРЕДЕЛЕНИЯ РАЦИОНАЛЬНЫХ ПАРАМЕТРОВ ТРАНШЕЙНОГО ЦЕПНОГО ЭКСКАВАТОРА

Номер: RU0000106265U1
Автор: Демиденко Анатолий Иванович, Летопольский Антон Борисович, Семкин Дмитрий Сергеевич
Принадлежит: Государственное образовательное учреждение высшего профессионального образования "Сибирская государственная автомобильно-дорожная академия (СибАДИ)"

1. Стенд для определения рациональных параметров траншейного цепного экскаватора, включающий контейнер с исследуемой средой, привод тележки, тензометрическую тележку, расположенную в направляющей, отличающийся тем, что для расширения функциональных возможностей контейнер закреплен неподвижно, направляющая имеет горизонтальную ось, при этом стенд имеет привод поворота направляющей относительно контейнера, а на тензометрической тележке закреплены исследуемые резцы на держателях. 2. Стенд по п.1, отличающийся тем, что на тензометрической тележке изготовлены дуговые прорези для изменения угла установки держателей в плане. 3. Стенд по п.1, отличающийся тем, что на держателях изготовлены дуговые прорези для изменения угла установки резцов. 4. Стенд по п.1, отличающийся тем, что установлены два навесных кронштейна, с помощью которых направляющую крепят поперек контейнера. 5. Стенд по п.1, отличающийся тем, что установлен угловой кронштейн, с помощью которого держатели с резцами крепят к тензометрической тележке. РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 106 265 (13) U1 (51) МПК E02F 1/00 (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ОПИСАНИЕ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21)(22) Заявка: 2010154282/03, 29.12.2010 (24) Дата начала отсчета срока действия патента: 29.12.2010 (45) Опубликовано: 10.07.2011 1 0 6 2 6 5 R U Формула полезной модели 1. Стенд для определения рациональных параметров траншейного цепного экскаватора, включающий контейнер с исследуемой средой, привод тележки, тензометрическую тележку, расположенную в направляющей, отличающийся тем, что для расширения функциональных возможностей контейнер закреплен неподвижно, направляющая имеет горизонтальную ось, при этом стенд имеет привод поворота направляющей относительно контейнера, а на тензометрической тележке закреплены исследуемые резцы на держателях. 2. Стенд по п.1, отличающийся тем, что на тензометрической тележке изготовлены дуговые прорези для изменения угла установки ...

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Номер записи: 2
14-03-2019 дата публикации

Универсальный траншейный проходчик

Номер: RU0000187634U1
Автор: Аникин Алексей Александрович, Беляков Владимир Викторович, Вахидов Умар Шахидович, Колотилин Владимир Евгеньевич, Макаров Владимир Сергеевич, Молев Юрий Игоревич, Папунин Алексей Валерьевич, Согин Александр Васильевич
Принадлежит: федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородский государственный технический университет им. Р.Е. Алексеева" (НГТУ)

Полезная модель относится к землеройной технике, а именно к устройствам для производства работ по разработке слабонесущего (обводненного, в том числе донного) грунта с каменными или другими прочными включениями, и формирования траншей заданного профиля для прокладки линейно-протяженных коммуникаций: трубопроводов, линий электропередач и связи, в том числе по дну водоемов. Задачей нового технического решения является разработка обводненного и донного грунта на заданной трассе и с заданным профилем траншеи, формирование бровки и стенок траншеи, удержание грунта стенок траншеи от оплывания или осыпания, что позволяет иметь на некотором отрезке пути чистую траншею и вводить в траншею технологическое оборудование для монтажа линейно-протяженных коммуникаций. Кроме того, в новом техническом решении предусмотрены устройства, позволяющие уменьшить сопротивление перемещению рабочего органа в донном грунте. С целью реализации поставленной задачи в качестве инструментов рабочего органа используются спиральная коническая фреза, напорный трубопровод с гидромонитором размыва грунта, роторная фреза, сошник и щиты формирования стенок траншеи. Роторная фреза закреплена на стреловом манипуляторе, что обеспечивает ее автономную работу при необходимости разрушения монолитных каменных включений на пути прокладки траншеи. Спиральная коническая фреза совместно с сошником, щитами формирования стенок траншеи и напорным трубопроводом с гидромонитором, шарнирно закреплены на корпусе универсального траншейного проходчика, работают совместно, при этом щиты формирования стенок траншеи, снабженные силовыми цилиндрами, установлены с обеих сторон спиральной конической фрезы подвижно, а на стороны щитов формирования стенок траншеи, контактирующие с грунтом, и на поверхность сошника предусмотрена подача воды. И 1 187634 ко РОССИЙСКАЯ ФЕДЕРАЦИЯ ВО“ 187 634” 91 ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ (12) ИЗВЕЩЕНИЯ К ПАТЕНТУ НА ПОЛЕЗНУЮ МОДЕЛЬ ММ9К Досрочное прекращение действия патента из ...

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Номер записи: 3
21-03-2013 дата публикации

METHOD AND APPARATUS FOR DETECTING BURIED OBJECTS

Номер: US20130071213A1
Автор: Allouche Erez N., Jaganathan Arun, Simicevic Neven
Принадлежит:

An object detection system () is disclosed having a transducer () for detecting buried objects (). The transducer is encapsulated within a robust, electromagnetically transparent construction (). 1. A construction vehicle including:a chassis;a plurality of traction devices positioned to support the chassis;a work tool supported by the chassis and configured to penetrate the ground, the work tool including a bucket and a plurality of teeth coupled to the bucket; anda plurality of detectors mounted to the work tool and configured to detect an object positioned in the ground during a penetration of the ground with the work tool, each detector being mounted to a different tooth of the work tool, at least one detector including a dielectric medium and a transmitter positioned in the dielectric medium.2. The construction vehicle of claim 1 , wherein each detector includes at least one transducer and a dielectric medium claim 1 , and the at least one transducer is configured to communicate a ground-penetrating signal.3. The construction vehicle of claim 2 , wherein the dielectric medium is positioned between the at least one transducer and the ground during a communication of the ground-penetrating signal to substantially reduce signal loss during the communication of the ground-penetrating signal between the at least one transducer and the ground claim 2 , and the plurality of detectors are configured to communicate the ground-penetrating signal in a plurality of directions.4. The construction vehicle of claim 3 , wherein the dielectric medium contacts the ground during the communication of the ground-penetrating signal claim 3 , and the dielectric medium and the ground have substantially the same dielectric properties.5. The construction vehicle of claim 2 , wherein the at least one transducer is configured to transmit the ground-penetrating signal to the object positioned in the ground and receive a reflection signal of the ground-penetrating signal from the object.6. ...

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Номер записи: 4
17-10-2013 дата публикации

IMPLEMENT ANGLE CORRECTION SYSTEM AND ASSOCIATED LOADER

Номер: US20130275012A1
Автор: Farmer Todd R., Korzeniowski Luka G., Nicholson Christian, Sporer Mark A., Taggart Brian F.
Принадлежит:

A system for correcting an angle of an implement coupled to a loader is disclosed. The system comprises a controller that is configured to calculate a first angle correction signal based at least upon an engine speed signal and an operator interface actuation signal, the operator interface actuation signal commanding movement of a lift arm on a loader; calculate a second angle correction signal based at least upon a coupler angle signal; transmit the first and second angle correction signals to change the angle of a coupler configured to couple an implement to the lift arm; and temporarily disable transmission of the second angle correction signal. 120.-. (canceled)21. A system for correcting an angle of an implement coupled to a loader , the system comprising a controller configured to:calculate a first angle correction signal based at least upon an engine speed signal and an operator interface actuation signal, the operator interface actuation signal commanding movement of a lift arm on a loader;calculate a second angle correction signal based at east upon a coupler angle signal;transmit the first and second angle correction signals to change the angle of a coupler configured to couple an implement to the lift arm; andtemporarily disable transmission of the second angle correction signal.22. The system of claim 21 , wherein when transmission of the second angle correction signal is disabled claim 21 , the first angle correction signal is transmitted to change the angle of the coupler configured to couple the implement to the lift arm.23. The system of claim 21 , wherein the controller temporarily disables transmission of the second angle correction signal when a rapid acceleration of the loader occurs.24. The system of claim 21 , wherein the controller temporarily disables transmission of the second angle correction signal when a sudden tilt of the implement occurs.25. The system of claim 21 , wherein the controller is further configured to set a target coupler ...

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Номер записи: 5
07-11-2013 дата публикации

Method for controlling a movement of a vehicle component

Номер: US20130297155A1
Автор: Andreas Ekvall, Bo Vigholm
Принадлежит: VOLVO CONSTRUCTION EQUIPMENT AB

A method is provided for controlling movement of a first vehicle component relative to a second vehicle component, including the steps of determining a deceleration rate of the first vehicle component in order to achieve a predetermined final speed at a final position, determining a starting position for initiating the deceleration on the basis of the predetermined final speed, the final position and the determined deceleration rate and controlling deceleration of the component from the starting position to the final position according to the determined acceleration rate.

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Номер записи: 6
27-03-2014 дата публикации

METHOD AND SYSTEM FOR PREEMPTIVE LOAD WEIGHT FOR MINING EXCAVATING EQUIPMENT

Номер: US20140088838A1
Автор: Furem Kenneth, Jaeger Julian D., Robertson Daniel W.
Принадлежит: Siemens Industry, Inc.

Provided is a method and a system for preemptively determining a load weight for mining excavation equipment. Specifically, provided is a method in which an excavation surface is scanned to generate an excavation surface profile, an excavation plan is selected for the excavation surface profile, the excavation plan for the excavation surface profile is executed on the excavation surface utilizing a pre-emptive load weighing algorithm based on a plurality of drive signals of the mining excavation equipment, and a volume of a material to be excavated by the mining excavation equipment is determined based at least on the plurality of drive signals, the plurality of derivatives of drive signals, and the excavation surface profile. 1. A method for preemptively determining a load weight for mining excavation equipment , the method comprising:scanning an excavation surface to generate an excavation surface profile;selecting an excavation plan for the excavation surface profile;executing the excavation plan for the excavation surface profile on the excavation surface utilizing a pre-emptive load weighting algorithm based on a plurality of drive signals of the mining excavation equipment; anddetermining a volume of a material to be excavated by the mining excavation equipment based at least on the plurality of drive signals and the excavation surface profile.2. The method of claim 1 , wherein the scanning the excavation surface to generate an excavation surface profile comprises:scanning an environment surrounding the excavation surface using a plurality of sensors; andanalyzing data generated by the plurality of sensors utilizing a pattern classification and recognition algorithm.3. The method of claim 2 , wherein the scanning an environment surrounding the excavation surface using a plurality of sensors comprises:determining a topography that may interfere with activity of the mining excavation equipment; anddetermining one or more objects that may interfere with activity ...

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Номер записи: 7
04-01-2018 дата публикации

Ecological Remediation Method for Controlling Sulphur Pollution inBlack and Odorous Sludge of Rivers

Номер: US20180002209A1
Автор: CHEN Kaining, GU Xiaozhi
Принадлежит:

The Invention discloses an ecological remediation method for controlling sulphur pollution in black and odorous sludge of rivers. Firstly, the sludge from pollution layer of the rivers will be dredged and stacked on the banksides with slope protection built along the outer edge of the sludge storage site; then innocent pretreatment will be conducted for the sludge. Specific steps comprise solarization and ploughing, and mixed ameliorant of certain proportion will be added for modification between first solarization and intermittent ploughing. Then, large emergent aquatic plants will be planted on the stacked sludge after pretreatment. The technical method provided by the Invention may control the release of acid-volatile sulfide in the contaminated sludge on one hand and reduce concentration of volatile organic sulfide in the waters on the other hand. With simple technical process and strong operable technology, the Invention meets the current requirements for controlling sulphur pollution in black and odorous sludge of rivers in China and facilitates realizing the goal of long-term control of sulphur pollution in the deposit of the waters. 1. An ecological remediation method for controlling sulphur pollution in black and odorous sludge of rivers , wherein , said method comprises the following steps:Step 1: Determining the optimal dredging depth of the black and odorous sludge in the middle of the riverbed; dredging the contaminated sludge and stacking it on both banksides of the river; building a gentle slope with slope protection and slope toe reinforcement along the riparian zone;Step 2: Pre-treatment of contaminated sludge on gentle slope of the banksides: stacking the sludge on the banksides for solarization and ploughing the surface layer of the sludge during this period; spraying a compound ameliorant into the sludge during ploughing; said compound ameliorant is a mixer of slaked lime and iron-ore slag;Step 3: Planting large aquatic vascular plant communities ...

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Номер записи: 8
01-01-2015 дата публикации

DIRECTIONAL SELF-BURYING SENSOR SYSTEM AND METHOD

Номер: US20150003194A1
Автор: BRIZARD Thierry
Принадлежит: CGG SERVICES SA

Node, system and method for collecting seismic data. A node for collecting seismic data includes a base configured to land on the ocean floor; and a head connected to the base through a connecting member and configured to bury itself into the ocean floor. The head includes a seismic sensor configured to detect seismic data and first to third burying units configured to bury the head. 1. A node for collecting seismic data , the node comprising:a base configured to land on the ocean floor; anda head connected to the base through a connecting member and configured to bury itself into the ocean floor,wherein the head includes a seismic sensor configured to detect seismic data and first to third burying units configured to bury the head.2. The node of claim 1 , wherein the head further comprises:an attitude unit configured to measure a spatial orientation of the head relative to gravity.3. The node of claim 2 , wherein the attitude unit is configured to measure pitch claim 2 , roll and yaw of the head.4. The node of claim 2 , wherein a longitudinal axis of each burying unit makes an angle α with the gravity and the burying units are symmetrically distributed around a longitudinal axis of the head.5. The node of claim 4 , wherein the angle α is about 20°.6. The node of claim 2 , wherein the base includes a controller configured to receive data from the attitude unit and to control each of the burying unit.7. The node of claim 6 , wherein the controller calculates different extending steps Sfor each burying unit when an orientation of the head diverges from gravity.8. The node of claim 7 , wherein each burying unit has an extending rod that extends away from the head with a corresponding step S.9. The node of claim 7 , wherein each burying unit includes a solenoid for actuating a corresponding extending rod.10. The node of claim 1 , wherein the base comprises:a power source for supplying power to the seismic sensor and the burying units.11. The node of claim 1 , wherein ...

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Номер записи: 9
07-01-2016 дата публикации

Seafloor Nodule Concentrating System and Method

Номер: US20160002879A1
Автор: Berndt Roland Gunter, Parianos John Michael, Plunkett Sean Michael, Roper Malcolm Leishman
Принадлежит:

A seafloor nodule concentrating system is disclosed. The seafloor nodule concentrating system has a surface vessel and an undersea steering vehicle secured to the surface vessel. The undersea steering vehicle is adapted to be towed by the surface vessel. The seafloor nodule concentrating system also has a nodule collecting apparatus connected to the undersea steering vehicle. The nodule collecting apparatus is located on the seafloor. The seafloor nodule concentrating system also has a position determination device adapted to determine the position of the nodule collecting apparatus and communicate position information of the nodule collecting apparatus to the undersea steering vehicle and surface vessel. 1. A seafloor nodule concentrating system comprising:a surface vessel;an undersea steering vehicle secured to the surface vessel, the undersea steering vehicle adapted to be towed by the surface vessel;a nodule collecting apparatus connected to the undersea steering vehicle, the nodule collecting apparatus located on the seafloor; anda position determination device adapted to determine the position of the nodule collecting apparatus and communicate position information of the nodule collecting apparatus to the undersea steering vehicle and surface vessel.2. The seafloor nodule concentrating system of claim 1 , wherein the undersea steering vehicle is adapted to alter the direction of the nodule collecting apparatus in response to receiving position information of the nodule collecting apparatus from the position determination device.3. The seafloor nodule concentrating system of claim 1 , wherein the undersea steering vehicle is located proximal the nodule collecting apparatus.4. The seafloor nodule concentrating system of claim 1 , wherein the undersea steering vehicle is in the form a remotely operated vehicle.5. A nodule collecting apparatus comprising:a support member;two or more nodule collection devices, each nodule collection device being secured to the ...

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Номер записи: 10
07-01-2016 дата публикации

APPARATUS AND METHOD FOR CONTROLLING WORK MACHINE OF WORK VEHICLE

Номер: US20160002881A1
Автор: Park Kwang Seok
Принадлежит: DOOSAN INFRACORE CO., LTD.

An exemplary embodiment suggested in the present disclosure relates to an apparatus and a method of controlling a work machine of a work vehicle. The apparatus for controlling a work machine of a work vehicle suggested in the present disclosure measures a speed of a work vehicle, converts an input signal of a joystick into an output current for controlling a proportional valve (P/V) for operating a work machine (for example, a boom and a bucket), compares the speed of the work vehicle with a reference speed, and advances or delays an end time point or an operation time point of the work machine, thereby controlling an impact applied to the work vehicle. 1. An apparatus for controlling a work machine of a work vehicle , comprising:a speed sensor configured to measure a speed of the work vehicle;an electric main controller valve configured to convert an input signal of a joystick into an output current for controlling a proportional valve (P/V) for operating a work machine; anda control unit configured to receive information on a speed of the work vehicle from the speed sensor, select a work machine control curve, and control the output current of the electric main controller valve based on the speed of the work vehicle and the selected work machine control curve.2. The apparatus of claim 1 , wherein the control unit determines whether the speed of the work vehicle is equal to or larger or smaller than a reference speed claim 1 , and controls an operation time point or an end time point of the work machine based on the determination.3. The apparatus of claim 2 , wherein when the speed of the work vehicle is equal to or larger than the reference speed claim 2 , the control unit converts the output current based on the selected work machine control curve and delays a reaction of the work machine compared to a reaction at the reference speed claim 2 , and when the speed of the work vehicle is smaller than the reference speed claim 2 , the control unit converts the output ...

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Номер записи: 11
09-01-2020 дата публикации

Engagement Control System and Method

Номер: US20200011034A1
Автор: Aproop Naveen Kumar S., Atkinson David C., Couch Jeremy R., Peterson Jeremy
Принадлежит: CATERPILLAR INC.

A system for controlling an engagement operation between first and second movable machines includes a separation sensor, a relative speed sensor and a controller. The separation sensor determines a separation distance between the first and second machines. The relative speed sensor determines a relative difference in speed between the first and second machines. The controller determines the separation distance between the first and second machines, decelerates the first movable machine when the separation distance is within a deceleration zone, determines a relative difference in speed between the first and second machines, and generates an engagement speed command to operate the first movable machine at a first ground speed equal to a second ground speed of the second movable machine plus a relative engagement speed when the separation distance is within a buffer zone. 1. A system for controlling an engagement operation between a first movable machine and a second movable machine , the system comprising:a separation sensor operatively associated with the first movable machine and the second movable machine and configured to determine a separation distance between the first movable machine and the second movable machine;a relative speed sensor operatively associated with the first movable machine and the second movable machine and configured to determine a relative difference in speed between the first movable machine and the second movable machine; and access a deceleration zone;', 'access a deceleration rate;', 'access a buffer zone;', 'access a relative engagement speed;', 'determine the separation distance between the first movable machine and the second movable machine based upon the separation sensor;', 'generate a deceleration command to decelerate the first movable machine at the deceleration rate when the separation distance is within the deceleration zone;', 'determine a relative difference in speed between the first movable machine and the second movable ...

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Номер записи: 12
16-01-2020 дата публикации

Control system for work vehicle, control method, and work vehicle

Номер: US20200018047A1
Автор: Jayantha Katupitiya, Jose Guivant, Mark WHITTY, Masami Hirayama
Принадлежит: KOMATSU LTD

A controller obtains dumping area data indicative the shape of an edge of a dumping area. The controller obtains material data indicative the shape of material in the dumping area. The controller decides, based on the material data, a plurality of segments into which the material is divided. The controller decides dumping positions of the dumping work according to combinations of the plurality of segments and the plurality of dumping candidate positions.

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Номер записи: 13
26-01-2017 дата публикации

SYSTEM PROVIDING LOAD-BASED AUTOMATED TOOL CONTROL

Номер: US20170022686A1
Автор: CALLAWAY Joshua David, FARMER Todd Rowland
Принадлежит: CATERPILLAR INC.

A control system is disclosed for a machine having a work tool and a traction device. The control system may have an actuator configured to adjust a depth of the work tool relative to a ground surface, a tool sensor configured to generate a first signal indicative of a performance parameter of the work tool, a speed sensor configured to generate a second signal indicative of an actual speed of the traction device, and a controller in communication with the actuator, the tool sensor, and the speed sensor. The controller may be configured to determine that the work tool is engaged with the ground surface and, when the work tool is determined to be engaged with the ground surface, to make a comparison of the actual speed of the traction device with a rotational speed threshold. The controller may then be configured to selectively cause the actuator to adjust the depth of the work tool based on the comparison. 1. A control system for a machine having a work tool and a traction device , the control system comprising:an actuator configured to adjust a depth of the work tool relative to a ground surface;a tool sensor configured to generate a first signal indicative of a performance parameter of the work tool;a speed sensor configured to generate a second signal indicative of an actual speed of the traction device; and determine whether the work tool is engaged with the ground surface;', 'when the work tool is determined to be engaged with the ground surface, make a comparison of the actual speed of the traction device with a rotational speed threshold; and', 'selectively cause the actuator to adjust the depth of the work tool based on the comparison., 'a controller in communication with the actuator, the tool sensor, and the speed sensor, the controller being configured to2. The control system of claim 1 , wherein:the tool sensor is a pressure sensor associated with the actuator;the performance parameter is a load on the work tool; andthe controller is configured to ...

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Номер записи: 14
10-02-2022 дата публикации

METHOD AND SYSTEM FOR CONTROLLING LOADING/UNLOADING OF A MATERIAL

Номер: US20220042287A1
Автор: THUNBERG Lars
Принадлежит:

Provided are methods for controlling loading/unloading of a material (from a load-delivering unit to a load-receiving unit, wherein at least one of the load-delivering unit and the load-receiving unit is a working machine vehicle configured to transport a load of material from a first location to a second location, and wherein at least the load-delivering unit is provided with a control unit configured to control operation of the load-delivering unit. Methods include receiving a first signal indicative of the material associated with the load-delivering unit; receiving a second signal indicative of the material intended to be received by the load-receiving unit; and comparing material information related to the first signal with material information related to the second signal. 1. A method for controlling loading/unloading of a material from a load-delivering unit to a load-receiving unit at a construction site , wherein at least one of the load-delivering unit and the load-receiving unit is a working machine vehicle in the form of a hauler or dump truck configured to transport a load of material from a first location to a second location , and wherein at least the load-delivering unit is provided with a control unit configured to control operation of the load-delivering unit;characterized in receiving a first signal indicative of the material associated with the load-delivering unit;', 'receiving a second signal indicative of the material intended to be received by the load-receiving unit;', 'comparing material information related to the first signal with material information related to the second signal;', 'determining, based on said comparison, whether the material associated with the load-delivering unit is to be loaded/unloaded to the load-receiving unit; and,, 'that the method comprises the steps of 'setting, by means of the control unit, the load-delivering unit in a non-loading/non-unloading operation mode where a normal material dumping function of the ...

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Номер записи: 15
28-01-2021 дата публикации

CONTROL SYSTEM FOR WORK VEHICLE, METHOD, AND WORK VEHICLE

Номер: US20210025142A1
Автор: Kure Kazuki, TAKAOKA Yukihisa
Принадлежит: KOMATSU LTD.

A work vehicle includes a work implement. A control system for the work vehicle includes a controller. The controller determines a target design terrain indicating a target trajectory of the work implement, and operates the work implement to dump materials on a current terrain sequentially from a nearer side to a farther side of the work vehicle in accordance with the target design terrain. At least a part of the target design terrain is located above the current terrain. 1. A control system for a work vehicle including a work implement , the control system comprising: determine a target design terrain indicating a target trajectory of the work implement, at least a part of the target design terrain being located above a current terrain; and', 'operate the work implement to dump materials on the current terrain sequentially from a nearer side to a farther side of the work vehicle in accordance with the target design terrain., 'a controller configured to'}2. The control system for the work vehicle according to claim 1 , whereinthe controller is further configured to control the work implement to dump the material on the current terrain while advancing the work vehicle on the dumped material.3. The control system for the work vehicle according to claim 1 , whereinthe target design surface includes an inclined surface that extends forward and upward from a predetermined start position and the inclined surface is inclined at a predetermined inclination angle with respect to a horizontal direction.4. The control system for the work vehicle according to claim 3 , whereinthe controller is further configured to start dumping the material from the start position.5. The control system for the work vehicle according to claim 3 , whereinthe target design terrain further includes a horizontal surface located in front of the inclined surface.6. The control system for the work vehicle according to claim 3 , whereinthe inclination angle is greater than 0 degree and equal to or less ...

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Номер записи: 16
28-01-2021 дата публикации

EXCAVATION BY WAY OF AN UNMANNED VEHICLE

Номер: US20210025143A1
Автор: Appelman Dina, Cohen Ofir
Принадлежит:

A computer-implemented method for controlling an excavation task by an autonomous excavation vehicle comprising a scanning device, the excavation task being described by a target map, the method comprising using an excavation vehicle control system for: a) according to data from the scanning device, maintaining a map representing current terrain; b) moving a sensor-equipped digging implement for executing an excavation operation; c) receiving data indicative of current terrain topography from the sensor; d) updating the maintained map according to the data indicative of current terrain topography; and e) calculating an excavation operation according to the difference between the maintained map and the target map. 113-. (canceled)14. A computer-implemented method for controlling an excavation task by an autonomous excavation vehicle comprising a scanning device , the excavation task being described by a target map , the computer-implemented method comprising: a) according to data from the scanning device, maintaining a map representing current terrain;', 'b) moving a sensor-equipped digging implement for executing an excavation operation;', 'c) receiving data indicative of current terrain topography from the sensor-equipped digging implement;', 'd) updating the maintained map according to the data indicative of current terrain topography; and', 'e) calculating an excavation operation according to the difference between the maintained map and the target map., 'using an excavation vehicle control system for15. The computer-implemented method of claim 14 , further comprising repeating steps b)-e) until the maintained map is substantially identical to the target map.16. The computer-implemented method of claim 14 , wherein the sensor-equipped digging implement is adapted to provide terrain topography data pertaining to a location that is inaccessible to the scanning device.17. The computer-implemented method of claim 16 , wherein the location that is inaccessible to the ...

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Номер записи: 17
17-02-2022 дата публикации

CONTROL SYSTEM AND CONTROL METHOD FOR WORK MACHINE

Номер: US20220049457A1
Автор: HARADA Junji
Принадлежит:

A work machine includes a work implement. A control system for the work machine includes a controller configured to operate the work implement according to a target trajectory for a backward movement while the work machine is moving backward. A method is performed by a processor for controlling a work machine including a work implement. The method includes operating the work implement according to a target trajectory for a backward movement while the work machine is moving backward. 1. A control system for a work machine including a work implement , the control system comprising:a controller configured to operate the work implement according to a target trajectory for a backward movement while the work machine is moving backward.2. The control system according to claim 1 , wherein{'claim-text': ['determine whether the work machine is switched to backward, and', 'execute a backward control to operate the work implement according to the target trajectory for the backward movement when the work machine is switched to backward.'], '#text': 'the controller is further configured to'}3. The control system according to claim 1 , whereinthe controller is further configured to execute a forward control to operate the work implement according to a target trajectory for a forward movement while the work machine is moving forward.4. The control system according to claim 1 , wherein{'claim-text': ['acquire current terrain data indicative of a current terrain, and', 'determine the target trajectory for the backward movement based on the current terrain.'], '#text': 'the controller is further configured to'}5. The control system according to claim 4 , wherein{'claim-text': ['update the current terrain data while the work machine is moving backward, and', 'determine the target trajectory for the backward movement based on the updated current terrain.'], '#text': 'the controller is further configured to'}6. The control system according to claim 4 , whereinthe work machine includes a ...

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Номер записи: 18
17-02-2022 дата публикации

SYSTEM AND METHOD FOR AUTOMATICALLY CONTROLLING WORK MACHINE INCLUDING WORK IMPLEMENT

Номер: US20220049473A1
Автор: TAKAOKA Yukihisa
Принадлежит:

A system controls a work machine including a work implement. The system includes a load sensor and a processor. The load sensor detects a load acting on the work implement. The processor controls the work machine to dig a digging wall formed between adjacent slots. The processor moves the work machine to either one of the adjacent slots adjacent to the digging wall when the load during digging the digging wall is equal to or greater than a first threshold. A method is executed by a processor to control the work machine. The method includes detecting a load acting on the work implement, controlling the work machine to dig the digging wall, and moving the work machine to one of the adjacent slots when the load during digging the digging wall is equal to or greater than a first threshold. 1. A system for controlling a work machine including a work implement , the system comprising:a load sensor configured to detect a load acting on the work implement; anda processor configured to control the work machine to dig a digging wall formed between adjacent slots,the processor being configured to move the work machine to either one of the adjacent slots adjacent to the digging wall when the load during digging the digging wall is equal to or greater than a first threshold.2. The system according to claim 1 , wherein{'claim-text': ['acquire movement information in order to change for changing a movement direction of the work machine, and', 'move the work machine to either one of the adjacent slots based on the movement information.'], '#text': 'the processor is further configured to'}3. The system according to claim 2 , whereinthe movement information includes first coordinate information indicative of a position of a center line of the adjacent slot, and{'claim-text': ['acquire the first coordinate information, and', 'move the work machine from a current position of the work machine to the center line of the adjacent slot based on the first coordinate information when the load ...

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Номер записи: 19
17-02-2022 дата публикации

WORK MACHINE

Номер: US20220049474A1
Автор: CHIBA Takaaki, IMURA Shinya, IZUMI Shiho, KANAZAWA Akira, Moriki Hidekazu
Принадлежит:

To provide a work machine that enables enhancement of shaping accuracy near a boundary line between two adjacent target surfaces. A controller extracts, from among a plurality of target surfaces, a second target surface S that is a target surface adjacent to a first target surface S, calculates a boundary line L between the first target surface S and the second target surface S, and, prior to a work tool passing the first boundary line L, corrects a control signal for a posture control actuator such that the angular difference Ebetween a reference line L set on the work tool and the boundary line L becomes small. 1. A work machine comprising:a work tool;a plurality of actuators including at least one position control actuator that controls a position of the work tool and at least one posture control actuator that controls posture of the work tool;an operation device that instructs the plurality of actuators about operations of the actuators;a controller that outputs a control signal for controlling at least one of the plurality of actuators on a basis of an operation amount of the operation device; anda design surface storage device that stores information concerning design surfaces including a plurality of target surfaces,the controller being configured to extract a first target surface which is a target surface nearest to the work tool, from among the plurality of target surfaces, and control an operation velocity of at least one actuator of the plurality of actuators on a basis of the position and posture of the work tool relative to the first target surface, wherein extract a second target surface which is a target surface adjacent to the first target surface, from among the plurality of target surfaces,', 'calculate a first boundary line which is a boundary line between the first target surface and the second target surface, and', 'prior to the work tool passing the first boundary line, correct a control signal for the posture control actuator such that the ...

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Номер записи: 20
01-05-2014 дата публикации

Bucket Design for Maximizing Liquid Transport

Номер: US20140119869A1
Автор: France Sylvain, Necib Jamel
Принадлежит: CATERPILLAR INC.

A bucket for a machine, such as a wheel loader or track loader is disclosed. The bucket includes a bottom section connected to a top section by a middle section. The top, bottom and middle sections are connected to a pair of side walls. The bottom section includes a bottom distal edge and the top section includes a top distal edge. A rear side of the bucket includes a lower ear for receiving a lower pin. The lower pin connects the lower ear and the bucket to a lower linkage. A first distance between the lower pin and the bottom distal edge has a first length and a second distance between the lower pin and the top distal edge has a second length. A ratio of the first and second length, referred to as a loading index (LI) ranges from greater than to less than 1. A bucket for a machine , the bucket comprising:a bottom section connected to a top section by a middle section, the bottom, top and middle sections disposed between and connected to a pair of sidewalls, the bottom section including a bottom distal edge, the top section including a top distal edge;the middle section also including a rear side that faces away from the top and bottom distal edges, the rear side including a lower ear for receiving a lower pin, the lower pin pivotally connecting the lower ear and the bucket to a lower linkage;wherein a first distance between the lower pin and the bottom distal edge has a first length and a second distance between the lower pin and the top distal edge has a second length, a ratio of the first length to the second length ranging from greater than 0.83 to less than 0.95.2. The bucket of wherein the ratio ranges from greater than 0.83 to less than about 0.90.3. The bucket of wherein the ratio ranges from about 0.88 to about 0.90.4. The bucket of wherein the top and bottom distal edges define a strike plane claim 1 , andwherein the strike plane is in an at least substantially horizontal position when the bucket is held in a transport position.5. The bucket of wherein ...

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Номер записи: 21
04-02-2021 дата публикации

SYSTEM AND METHOD FOR MAXIMIZING PRODUCTIVITY OF A WORK VEHICLE

Номер: US20210032850A1
Автор: Holl Kyle A., Kraft Anthony K.
Принадлежит:

A system for maximizing productivity of a work vehicle is disclosed. The system includes a first sensor system that generates a first signal output indicative of a height of a material arranged forward of the work vehicle. A second sensor system generates a second signal output indicative of a position and height of a material transport blade coupled to the work vehicle. An actuator system configured to adjust the position and height of the material transport blade. An electronic data processor is communicatively coupled to each of the first sensor system, the second sensor system, and the actuator system. The electronic data processor determines a material flow rate based on the first and second signal outputs, and generates a command signal received by the actuator system to dynamically adjust a plurality of operating parameters associated with the material transport blade to maximize the material flow rate. 1. A system for maximizing productivity of a work vehicle , the system comprising:a first sensor system, wherein the first sensor system is configured to generate a first signal output indicative of a height of a material arranged forward of the work vehicle relative to a reference point on the work vehicle;a second sensor system, wherein the second sensor system is configured to generate a second signal output indicative of a blade position and blade height of at least one material transport blade coupled to the work vehicle;an actuator system coupled to the work vehicle and the at least one material transport blade, wherein the actuator system configured to adjust the blade position and the blade height of the at least one material transport blade; andan electronic data processor communicatively coupled to each of the first sensor system, the second sensor system, and the actuator system, wherein the electronic data processor is configured to determine a material flow rate of the material based on the first signal output and the second signal output, and ...

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Номер записи: 22
11-02-2016 дата публикации

WORK VEHICLE AND METHOD OF CONTROLLING WORK VEHICLE

Номер: US20160040391A1
Автор: Imaizumi Masaaki, Wada Minoru
Принадлежит: KOMATSU LTD.

A work vehicle includes: a body; a boom which is supported by the body and is turned; a bucket which is supported by a side of the boom opposite to a side of the body and is turned; a boom driving part which turns the boom; a bucket driving part which turns the bucket; a lifting force detector which detects lifting force as force that the boom driving part receives from the boom; and a control device which starts a tilt operation of the bucket when a predetermined condition is established, and ends the tilt operation on the basis of an amount of increase of the lifting force from a time when the tilt operation is started. 1. A work vehicle comprising:a body;a boom which is supported by the body and is turned;a bucket which is supported by a side of the boom opposite to a side of the body and is turned;a boom driving part which turns the boom;a bucket driving part which turns the bucket;a lifting force detector which detects lifting force as force that the boom driving part receives from the boom; anda control device which starts a tilt operation of the bucket when a predetermined condition is established, and ends the tilt operation on the basis of an amount of increase of the lifting force from a time when the tilt operation is started.2. The work vehicle according to claim 1 , whereinthe boom driving part includes a boom hydraulic cylinder, andthe lifting force detector is a boom bottom pressure detector which detects a bottom pressure as a pressure on a hydraulic fluid supplied to the boom hydraulic cylinder.3. The work vehicle according to claim 1 , further comprising a vehicle speed detector which detects a speed at which the work vehicle runs claim 1 , whereinthe control device starts the tilt operation on the basis of at least a detected result from the lifting force detector and a detected result from the vehicle speed detector.4. The work vehicle according to claim 1 , wherein the control device starts an ascending operation of the boom on the basis of the ...

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Номер записи: 23
11-02-2016 дата публикации

Grade Control Cleanup Pass Using Splines

Номер: US20160040397A1
Автор: Kontz Matthew E.
Принадлежит: CATERPILLAR INC.

A computer-implemented method for determining a cleanup pass profile is provided. The method may include identifying a pass target extending from a first end to a second end along a work surface, generating a plurality of primitives between the first end and the second end such that each primitive has endpoints configured to approximate at least one of the pass target, the work surface, and an endpoint of an adjoining primitive, and adjoining the primitives at the endpoints to form a substantially continuous cleanup pass profile. 1. A computer-implemented method for determining a cleanup pass profile , comprising:identifying a pass target extending from a first end to a second end along a work surface;generating a plurality of primitives between the first end and the second end, each primitive having endpoints configured to approximate at least one of the pass target, the work surface, and an endpoint of an adjoining primitive; andadjoining the primitives at the endpoints to form a substantially continuous cleanup pass profile.2. The computer-implemented method of claim 1 , wherein the first end of the pass target corresponds to an alignment gap and the second end of the pass target corresponds to a crest claim 1 , the primitive at the first end sharing at least a common slope and a common elevation with one of the work surface and the pass target claim 1 , and the primitive at the second end sharing at least a common slope and a common elevation with the crest.3. The computer-implemented method of claim 1 , wherein the first end of the pass target corresponds to an alignment gap and the second end of the pass target corresponds to a crest claim 1 , the primitive at the first end sharing at least a common slope and a common elevation with one of the work surface and the pass target claim 1 , and the primitive at the second end sharing a common slope with the crest but having a floating elevation relative thereto.4. The computer-implemented method of claim 1 , ...

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Номер записи: 24
08-02-2018 дата публикации

CONTROL SYSTEM FOR WORK VEHICLE, CONTROL METHOD, AND WORK VEHICLE

Номер: US20180038082A1
Автор: BEPPU Kota, HASHIMOTO Kazuhiro, NAKAGAWA Masayuki, SHIMADA KENJIRO
Принадлежит:

A current terrain acquisition device acquires current terrain information. The current terrain information indicates the current terrain to be worked, and includes the height of the current terrain at a plurality of points. A controller is configured to decide the smoothed height for each of the plurality of points. The controller is configured to decide a smoothed current terrain that includes the smoothed height of the plurality of points. The controller is configured to decide a virtual design surface on the basis of the smoothed current terrain. The controller is configured to generate a command signal to a work implement of the work vehicle to move the work implement along the virtual design surface. 1. A control system for a work vehicle , the system comprising:a current terrain acquisition device that acquires current terrain information indicating a current terrain to be worked, the current terrain information including a height of the current terrain at a plurality of points; and decide a smoothed height for each of the plurality of points,', 'decide a smoothed current terrain including the smoothed height of the plurality of points,', 'decide a virtual design surface on the basis of the smoothed current terrain, and', 'generate a command signal to a work implement of the work vehicle to move the work implement along the virtual design surface., 'a controller configured to'}2. The control system for a work vehicle according to claim 1 , whereinthe current terrain information includes the height of the current terrain at n number of points, with n being a positive integer, andthe controller is further configured to set a value obtained by averaging the height at a plurality of points including the k-th point as the smoothed height of the k-th point, with k being an integer from 1 to n.3. The control system for a work vehicle according to claim 2 , whereinthe controller is further configured to set a value obtained by averaging the height at a plurality of ...

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Номер записи: 25
24-02-2022 дата публикации

WORK MACHINE

Номер: US20220056663A1
Автор: IZUMI Shiho, MEGURIYA Shuuichi
Принадлежит:

A controller mounted on a hydraulic excavator that is able to perform machine control transmits work situation parameters (machine body position, hydraulic working fluid temperature, bucket weight, and target surface gradient) to a management server , receives, from the management server, control command correction values that are calculated by the management server on the basis of the work situation parameters and that represent correction values for correcting control commands, and controls hydraulic actuators , and with corrected control commands that represent the control commands corrected on the basis of the control command correction values. 1. A work machine comprising:a multi-joint work implement that forms a target surface with a bucket;a plurality of hydraulic actuators that drive the work implement;a controller that is configured to calculate a control command for at least one of the plurality of hydraulic actuators to hold an operation locus of the bucket above the target surface on a basis of a distance from the work implement to the target surface, and to control the at least one of the hydraulic actuators on a basis of the control command; anda communication device that performs bidirectional communication with a management server, transmits work situation parameters of the work machine to the management server,', 'receives, from the management server, a control command correction value that is computed by the management server on a basis of the work situation parameter and that represents a correction value for correcting the control command, and', 'controls the at least one of the hydraulic actuators with a corrected control command that represents the control command corrected on a basis of the control command correction value., 'wherein the controller'}2. The work machine according to claim 1 ,wherein the work situation parameters include positional information on the work machine, temperature information on a hydraulic working fluid of the work ...

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Номер записи: 26
07-02-2019 дата публикации

SYSTEM AND METHOD FOR DETERMINING STALE TERRAIN VALUE OF WORKSITE

Номер: US20190040607A1
Автор: Wei Mo
Принадлежит: CATERPILLAR INC.

A control system for determining a stale terrain value for use by an autonomous machine is provided. The control system includes a controller associated with the autonomous machine operating on a work surface. The controller is configured to receive position data associated with the autonomous machine from a position sensing system. The controller is configured to receive data related to a dump operation to be performed by the autonomous machine. The data includes a distance between a start location and an end location, a distance between two adjacent piles of material, and an average speed of travel of the autonomous machine. The controller is configured to determine the stale terrain value associated with the work surface. The controller is configured to trigger a control signal for shutting down the dump operation of the autonomous machine on approaching the stale terrain value based on receiving an operator input. 1. A control system for determining a stale terrain value for use by an autonomous machine , the control system comprising: receive position data associated with the autonomous machine from a position sensing system;', 'receive data related to a dump operation to be performed by the autonomous machine, the data including a distance between a start location and an end location, a distance between two adjacent piles of material, and an average speed of travel of the autonomous machine;', 'determine the stale terrain value associated with the work surface based on the received position data and data related to the dump operation; and', 'trigger a control signal for shutting down the dump operation of the autonomous machine on approaching the stale terrain value based on receiving an operator input., 'a controller associated with the autonomous machine operating on a work surface, the controller configured to2. The control system of claim 1 , wherein the dump operation is a pivot push operation including backstacking of a plurality of piles on the work ...

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Номер записи: 27
13-02-2020 дата публикации

FORWARD LOOKING SENSOR FOR PREDICTIVE GRADE CONTROL

Номер: US20200048869A1
Автор: Christofferson Craig, Hageman John M., Loukili Tarik, Peat Michael D
Принадлежит:

A vehicle grade control system and method of controlling an implement position of a motor grader moving along a path of a surface. The motor grader includes a frame supported by wheels and an implement adjustably coupled to the frame. The control system includes a processor and a memory configured to receive a grade target to grade the surface to a desired grade with the implement based on the grade target. Surface irregularities of the surface in a path of the motor grader are located. An angle of the frame is determined based on the located surface irregularities and a difference between the identified angle of the frame and the grade target is determined. A position of the implement with respect to the frame based on the determined difference is identified and the surface is graded with the identified position of the implement. 1. A method of controlling an implement position of a vehicle moving along a path of a surface , the vehicle having a frame supported by wheels and an implement adjustably coupled to the frame , the method comprising:receiving a grade target to grade the surface to a desired grade with the implement;locating surface irregularities of the surface in a path of the motor grader;identifying an angle of the frame based on the located surface irregularities,determining a difference between the identified angle of the frame and the grade target;identifying a position of the implement with respect to the frame based on the determined difference; andgrading the surface with the identified position of the implement.2. The method of wherein the identifying an angle of the frame includes identifying the angle based on a roll or pitch of the frame.3. The method of wherein the identifying an angle of the frame includes identifying the inclination with one of an inertial measurement unit or an inclinometer.4. The method of wherein the identifying an angle of the frame is based on a location of the wheels with respect to the current grade claim 1 , ...

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Номер записи: 28
13-02-2020 дата публикации

SYSTEM AND METHOD OF SOIL MANAGEMENT FOR AN IMPLEMENT

Номер: US20200048870A1
Автор: Christofferson Craig, Hageman John M., Loukili Tarik, Peat Michael D.
Принадлежит:

A vehicle grade control system and method of controlling an implement position of a motor grader moving along a path of a surface. The motor grader includes a frame supported by a ground engaging traction device and an implement adjustably coupled to the frame. The control system includes a processor and a memory configured to receive a grade target to grade the surface to a desired grade with the implement, based on the grade target. A front image sensor provides images of a front surface profile, an implement image sensor provides images of collected surface material on the implement, and a rear image sensor provides images on a rear surface profile. The surface is graded by adjusting a position of the implement based on the images provided by each of the front image sensor, the implement image sensor, and the rear image sensor. 1. A method of grading a surface with a work vehicle moving along the surface , the surface having a ground profile and formed of a surface material , the vehicle having a frame supported by a ground engaging traction device and an implement adjustably coupled to the frame , the method comprising:receiving a grade target identifying a desired grade for the surface being graded with the implement;collecting surface material on the implement;identifying a material property of the collected surface material;identifying a position of the implement with respect to the surface;adjusting the position of the implement based on the identified position and the identified material property;grading the surface to the grade target with the adjusted position of the implement.2. The method of wherein the identifying the material property of the collected surface material includes identifying one of a type of the surface material claim 1 , a condition of the surface material claim 1 , and a characteristic of the surface material.3. The method of wherein the identifying a material property of the collected surface material includes identifying a location ...

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Номер записи: 29
03-03-2016 дата публикации

IMPLEMENT POSITION CONTROL SYSTEM HAVING AUTOMATIC CALIBRATION

Номер: US20160060845A1
Автор: BECICKA Troy Kenneth, FRIEND Paul Russell
Принадлежит: CATERPILLAR INC.

A method, system, and non-transitory computer-readable storage medium for calibrating an implement actuation sensor of a machine are disclosed. The method may include calculating a first elevation value of an implement of the machine in a gravity reference frame of the machine. The method may further include calculating a second elevation value of a ground-engaging device of the machine in the gravity reference frame of the machine. The method may further include determining a difference between the first elevation value and the second elevation value. The method may further include calibrating the implement actuation sensor based on the determined difference. 1. A method for calibrating an implement actuation sensor of a machine , comprising:calculating a first elevation value of an implement of the machine in a gravity coordinate frame of the machine when an implement cutting edge of the implement is at an elevation calculation location on an axis of the gravity coordinate frame;calculating a second elevation value of a ground-engaging device of the machine in the gravity coordinate frame of the machine when a predetermined point on the ground engaging device is at the elevation calculation location on the axis of the gravity coordinate frame;determining a difference between the first elevation value and the second elevation value; andcalibrating the implement actuation sensor based on the determined difference.2. The method of claim 1 , wherein calculating the first elevation value includes:calculating an offset of the implement cutting edge from an origin in a local coordinate frame of the machine, andtranslating the offset from the local coordinate frame to the gravity coordinate frame of the machine.3. The method of claim 2 , wherein the offset is a 3-dimensional offset and is calculated using values output by the implement actuation sensor.4. The method of claim 3 , wherein translating the offset includes:calculating an orientation of the machine, ...

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Номер записи: 30
21-02-2019 дата публикации

SYSTEM AND METHOD FOR CONTROLLING EARTHMOVING MACHINES

Номер: US20190055715A1
Автор: Edwards Kyle A., Funke Brian G., Holmqvist Mikael, Redenbo Seth J., Taylor Michael A., Wei Mo
Принадлежит: CATERPILLAR INC.

A control system for controlling an earthmoving machine operating at a worksite is disclosed. The control system includes a receiving unit to receive a first input indicative of a terrain profile of the worksite, a second input indicative of a target terrain profile for the worksite, and a third input indicative of machine characteristics. The control system also includes a mission planning controller to generate an excavation plan based on the first input, the second input, and the third input. The controller controls operation of the machine, based on the generated excavation plan, to obtain an excavated terrain profile. Further, the controller determines whether the excavated terrain profile matches with the target terrain profile, and operates the machine based on inputs indicative of the excavated terrain profile, the second input, the third input, and an extent of match between the excavated terrain profile and the target terrain profile. 1. A control system for controlling an earthmoving machine operating at a worksite , the control system comprising: receive a first input indicative of a terrain profile of the worksite;', 'receive a second input indicative of a target terrain profile for the worksite; and', 'receive a third input indicative of characteristics of the earthmoving machine; and, 'a receiving unit configured to generate an excavation plan based on the first input, the second input, and the third input;', 'control operation of the earthmoving machine, based on the generated excavation plan, to obtain an excavated terrain profile;', 'determine whether the excavated terrain profile matches with the target terrain profile; and', 'operate the earthmoving machine, based on inputs indicative of the excavated terrain profile, the second input, the third input, and an extent of match between the excavated terrain profile and the target terrain profile., 'a mission planning controller in communication with the receiving unit, the mission planning ...

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Номер записи: 31
04-03-2021 дата публикации

System and Method for Controlling Operation of a Machine

Номер: US20210062470A1
Автор: Wei Mo
Принадлежит: Caterpillar Global Mining LLC

A system to control operation of a machine having a ground-engaging work implement for moving material about a worksite include a controller configured to determine a feasible target profile for the work implement to engage material. The feasible target profile may include a preload segment, a cut segment, and a loading segment. The controller determines a feasible prospective cut segment from a plurality of prospective cut segments. The controller generates a prospective preloading segment and a prospective loading segment associated with the feasible prospective cut profile. Position points associated with the loading segment are extracted and the controller determines if the ground-engaging work implement will align with the plurality of position points. The controller may also determine whether the load volume for the prospective cut segment is efficient. 1. A system for controlling a machine having a ground-engaging work implement to move material according to a target profile including a preloading segment , a cut segment , and a loading segment , the system comprising:data storage to store computer processable data related to machine dimensional data, machine operational data, and a presented topography of a worksite;a position sensing system for determining a current machine position/orientation assessment; deciding feasibility of a prospective cut segment from among a plurality of prospective cut segments based on the current machine position/orientation assessment, the machine dimensional data, the machine operational data, and the presented topography;', 'generating a prospective preload segment and a prospective loading segment associated with the prospective cut segment;', 'extracting a plurality of position points associated with the prospective loading segment; and', 'deciding feasibility of the prospective loading segment by determining if the ground-engaging work implement will align with the plurality of position points., 'a controller configured ...

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Номер записи: 32
04-03-2021 дата публикации

System for machine and dual implement control

Номер: US20210062475A1
Автор: Peter Joseph Mollick
Принадлежит: Individual

A system for controlling the lateral traverse position of a front three-point hitch mounted side-shifting implement and a rear three-point hitch mounted side-shifting implement on a mobile machinery such as an agricultural tractor with an controllable automated steering device, while simultaneously controlling the position of the tractor relative to the positions of each of the two side-shifting implements. The system uses a controller to control the positions of the side-shifting-implements using information received from a position monitoring system communication with roving receivers mounted on the side-shifting-implements. The controller also controls the position of the mobile machinery using local relationship sensors mounted on the side-shifting-implement's position and on the mobile machinery's position. The relationship sensors allow the controller to use two roving data receivers instead of three roving data receivers to control both the position of the side shifting implements and the position of the mobile machinery.

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Номер записи: 33
17-03-2022 дата публикации

MOTOR GRADER REAR OBJECT DETECTION PATH OF TRAVEL WIDTH

Номер: US20220081877A1
Автор: Schau Joshua M., Veasy David A.
Принадлежит:

Detecting a surface irregularity on a surface for a vehicle moving forwardly or rearwardly along the surface, the vehicle having a frame supported by wheels and an implement adjustably coupled to the frame. Two of front and rear steering positions and an implement position are used to determine a path of travel of the vehicle. Surface irregularities of the surface within the path of travel are determined which triggers a warning to the vehicle. The speed of the vehicle can be decreased automatically to stop the vehicle before the vehicle impacts the surface irregularity. A vehicle zone of operation is determined based on the path of travel and a corresponding pair of gridlines is displayed on user interface. The pair of gridlines vary in shape, color, position, and orientation as the path of travel changes. The surface irregularity is illuminated relative to the pair of gridlines on the operator display. 1. A method of detecting a surface irregularity on a surface for a vehicle moving along the surface , the vehicle having a frame supported by wheels and an implement adjustably coupled to the frame , the method comprising:receiving at least two of the following: a front steering position, a rear steering position, and an implement position relative to the surface while the vehicle moves along the surface;determining a path of travel of the vehicle based on the front steering position, the rear steering position, and the implement position;locating a surface irregularity of the surface;determining the location of the surface irregularity relative to the path of travel of the vehicle; andindicating a warning to the vehicle based on the determined location of the surface irregularity within the path of travel of the vehicle.2. The method of wherein the wheels include a first and a second front wheel claim 1 , and the receiving the front steering position includes identifying a first and a second front wheel location input that respectively corresponds to the first and ...

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Номер записи: 34
27-02-2020 дата публикации

WORK VEHICLE WITH CONSTANT VELOCITY IMPLEMENT ACTUATION

Номер: US20200063398A1
Автор: Mairet Sean A., Rausch Bryan
Принадлежит:

A work vehicle includes a frame; an implement; a linkage assembly mounting the implement to the frame; a linkage actuator coupled to the linkage assembly and the frame and configured to reposition the linkage assembly relative to the frame; a sensor configured to generate sensor position data associated with at least one of the linkage assembly and the linkage actuator representing a linkage position; an operator interface configured to receive operator input from an operator associated with the linkage actuator representing a velocity request; and an electronic control system having processing and memory architecture operatively coupled to the sensor, operator interface, and linkage actuator. The electronic control system is configured to generate an actuator command for the linkage actuator based on the velocity request and the linkage position that, upon execution, results in a constant velocity of the implement for the operator input regardless of the linkage position. 1. A work vehicle , comprising:a frame;an implement;a linkage assembly mounting the implement to the frame;a linkage actuator coupled to the linkage assembly and the frame and configured to reposition the linkage assembly relative to the frame;a sensor configured to generate sensor position data associated with at least one of the linkage assembly and the linkage actuator representing a linkage position;an operator interface configured to receive operator input from an operator associated with the linkage actuator representing a velocity request; andan electronic control system having processing and memory architecture operatively coupled to the sensor, the operator interface, and the linkage actuator and configured to generate an actuator command for the linkage actuator based on the velocity request and the linkage position that, upon execution, results in a constant velocity of the implement for the operator input regardless of the linkage position.2. The work vehicle of claim 1 , wherein the ...

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Номер записи: 35
09-03-2017 дата публикации

System and method for automated machine operation

Номер: US20170068244A1
Автор: Anthony K.N. Nelson, Joshua G. Bynon
Принадлежит: Caterpillar Underground Mining Pty Ltd

A system for automated operation of a plurality of machines deployed on an underground worksite is provided. The system includes a monitoring module provided on-board each of the plurality of machines. The system also includes an area isolation control module associated with the underground worksite. The system further includes a machine control module coupled to the monitoring module and the area isolation control module.

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Номер записи: 36
11-03-2021 дата публикации

OVERSHOT LOADER

Номер: US20210071384A1
Автор: GURNEY Richard Stillard
Принадлежит:

This disclosure provides an overshot loader mechanism for transporting material in an overhead trajectory from a filling to a discharge position. The overshot loader mechanism includes at least one control arm, pivotally connected at one end to a chassis frame, and at the other end to a thrust end of the load arm, and a bucket pivotally connected to a load end of the load arm. Rotation of the control arm about its pivotal connection moves the thrust end of the load arm from a terminal high point, where the load end of the load arm is located towards the bottom of its trajectory for bucket filling, to a terminal low point, where the load end of the load arm is located towards the height of its trajectory. This configuration reduces the centre of gravity of the loader mechanism, while retaining sufficient bucket height to clear the vehicle's operator cab. 1. An overshot loader mechanism for transporting material in an overhead trajectory from a filling position at a loading end of a vehicle , to a discharge position at a discharge end of the vehicle , the overshot loader mechanism comprising;a chassis frame for supporting the body of the vehicle,at least one control arm, for controlling the movement of at least one load arm, one end of the control arm being pivotally connected to the chassis frame and the other end of the control arm being pivotally connected to a first/thrust end of the load arm;and a bucket pivotally connected to a load end of the load arm,in which rotation and/or counter rotation of the control arm about its pivotal connection to the frame causes movement of the thrust end of the load arm, from a terminal high point when the bucket and load end of the load arm is located towards the bottom of its trajectory for bucket filling and/or discharge, and a terminal low point when the bucket and load end of the load arm is located towards the height of its trajectory, thus reducing the centre of gravity of the loader mechanism, while retaining a bucket ...

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Номер записи: 37
11-03-2021 дата публикации

EXCAVATOR WITH IMPROVED MOVEMENT SENSING

Номер: US20210071390A1
Автор: Kean Michael G.
Принадлежит:

An excavator includes a rotatable house and a bucket operably coupled to the rotatable house. The excavator also includes one or more swing sensors configured to provide at least one rotation sensor signal indicative of rotation of the rotatable house and one or more controllers coupled to the sensor. The one or more controllers being configured to implement inertia determination logic that determines the inertia of a portion of the excavator and control signal generator logic that generates a control signal to control the excavator, based on the inertia of the portion of the excavator. 1. An excavator comprising:a rotatable house;a bucket operably coupled to the rotatable house;one or more swing sensors operably coupled to the excavator and configured to provide at least one rotation sensor signal indicative of rotation of the rotatable house; and inertia determination logic that determines the inertia of a portion of the excavator; and', 'control signal generator logic that generates a control signal to control the excavator, based on the inertia of the portion of the excavator., 'one or more controllers coupled to the sensor, the one or more controllers being configured to implement2. The excavator of claim 1 , wherein the one or more controllers are configured to implement:pose determination logic that determines the pose of the portion of the excavator and generates a pose signal; andwherein the inertia determination logic determines the inertia of the portion of the excavator based on the pose signal.3. The excavator of claim 2 , further comprising linkage sensors coupled to the excavator and configured to provide pose sensor signals indicative of the pose of the excavator; andwherein the pose determination logic determines the pose of the portion of the excavator based on the pose sensor signals.4. The excavator of claim 2 , wherein the inertia determination logic retrieves machine weight and dimension data from a datastore and wherein the inertia ...

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Номер записи: 38
17-03-2016 дата публикации

System and Method for Optimizing a Work Implement Path

Номер: US20160076222A1
Автор: Michael Taylor, Mo Wei, Thandava K. Edara
Принадлежит: Caterpillar Inc

A system for determining an optimized cut location for a work implement includes a position sensor and a controller. The controller is configured to determine the position of a work surface and determine an initial cut location along a path based upon an initial target profile and the initial target profile has an initial cut length longer than an evaluation cut length. The controller is also configured to determine a plurality of potential cut locations along the path, determine a volume of material to be moved for each of the plurality of potential cut locations with the volume of material to be moved being based upon the loading profile, the evaluation cut length, and the position of the work surface. The controller is configured to select that optimized cut location from one of the plurality of potential cut locations for which the volume of material exceeds the material volume threshold.

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Номер записи: 39
17-03-2016 дата публикации

System and Method for Controlling the Operation of a Machine

Номер: US20160076223A1
Автор: Edara Thandava K., Taylor Michael, Wei Mo
Принадлежит: CATERPILLAR INC.

A system for autonomous control of a machine having a ground-engaging work implement includes a position sensor and a controller. The controller is configured to determine the position of a work surface based upon the position signals and select a work zone loading profile for a work zone cut location along a path within a work zone and the work zone loading profile has a work zone cut angle relative to a ground reference. The controller is further configured to select a final cut loading profile for a final cut location along the path adjacent the boundary zone with the final cut loading profile having a final cut angle relative to the ground reference. The final cut angle is steeper than the work zone cut angle. 1. A system for autonomous control of a machine having a ground-engaging work implement , the machine moving on a work surface along a path at a work site , comprising:a position sensor for generating position signals indicative of a position of the work surface; and store an electronic map of the work site, the work site including a boundary, a work zone, and a boundary zone between the boundary and the work zone;', 'store a target surface;', 'determine the position of the work surface based upon the position signals;', 'select a work zone loading profile for a work zone cut location along the path within the work zone, the work zone loading profile having a work zone cut angle relative to a ground reference;', 'select a final cut loading profile for a final cut location along the path adjacent the boundary zone, the final cut loading profile having a final cut angle relative to the ground reference, the final cut angle being steeper than the work zone cut angle., 'a controller configured to2. The system of claim 1 , wherein the controller is further configured to select a boundary zone loading profile for a boundary zone cut location along the path within the boundary zone claim 1 , the boundary zone loading profile having a boundary zone cut angle ...

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Номер записи: 40
17-03-2016 дата публикации

System and Method for Controlling the Operation of a Machine

Номер: US20160076224A1
Автор: Becicka Troy K., Clar Jean-Jacques, Edara Thandava K., Edwards Kyle, Taylor Michael, Wei Mo
Принадлежит: CATERPILLAR INC.

A system for automated control of a machine includes a position sensor and a controller. The controller is configured to determine a position of a work surface along a first slot and along a second slot. The work surface along the first slot and the second slot define at least a portion of a berm. The controller is further configured to determine a physical characteristic of the first slot and the second slot and generate a berm reduction command if the physical characteristic of the first slot and the second slot is less than the characteristic threshold of the first slot and the second slot. 1. A system for automated control of a machine having a ground-engaging work implement , comprising:a position sensor for generating position signals indicative of a position of a work surface at a work site; store a characteristic threshold of a pair of slots;', 'receive a plurality of position signals from the position sensor;', 'determine the position of the work surface along a first slot in the work site based upon the plurality of position signals to define a first slot surface;', 'determine the position of the work surface along a second slot in the work site based upon the plurality of position signals to define a second slot surface, the second slot being spaced from the first slot, the work surface along the first slot and the work surface along the second slot defining at least a portion of a berm between the first slot and the second slot;', 'determine a physical characteristic of the first slot and the second slot; and', 'generate a berm reduction command if the physical characteristic of the first slot and the second slot is less than the characteristic threshold of the pair of slots., 'a controller configured to2. The system of claim 1 , wherein the first slot has a first slot lower surface and the second slot has a second slot lower surface claim 1 , the characteristic threshold of the pair of slots is a difference in depth threshold between the first slot ...

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Номер записи: 41
07-03-2019 дата публикации

METHOD AND SYSTEM FOR CREATING A FINAL GRADED SOIL SURFACE HAVING A FINAL SOIL DEPTH

Номер: US20190071841A1
Автор: Elkins Scott Andrew
Принадлежит:

In one aspect, a method for creating a final graded soil surface may include controlling an operation of a grading implement of a work vehicle such that the grading implement removes a layer of soil from a current soil surface as the work vehicle is moved in a forward direction. The method may also include receiving an input indicative of the current soil surface being at an offset soil depth relative to the initial ungraded soil surface, with the offset soil depth differing from the final soil depth. When the current soil surface is at the offset soil depth, the method may further include adjusting a position of the grading implement to add or remove soil based on a depth differential defined between the offset soil depth and the final soil depth to create the final graded soil surface as the work vehicle is moved in the reverse direction. 1. A method for creating a final graded soil surface having a final soil depth relative to an initial ungraded soil surface , the method comprising:controlling, with a computing device, an operation of a grading implement of a work vehicle such that the grading implement removes a layer of soil from a current soil surface as the work vehicle is moved in a forward direction, the work vehicle extending longitudinally between a forward end and an aft end, the grading implement being located at the forward end of the work vehicle, the grading implement traversing the current soil surface prior to the aft end of the work vehicle when work vehicle is moved in the forward direction, the aft end of the work vehicle traversing the current soil surface prior to the grading implement when work vehicle is moved in a reverse direction;receiving, with the computing device, an input indicative of the current soil surface being at an offset soil depth relative to the initial ungraded soil surface, the offset soil depth differing from the final soil depth; andwhen the current soil surface is at the offset soil depth, adjusting, with the computing ...

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Номер записи: 42
14-03-2019 дата публикации

CONTROL SYSTEM FOR WORK VEHICLE, CONTROL METHOD, AND WORK VEHICLE

Номер: US20190078297A1
Автор: INAMARU Akifumi, ISHIBASHI Eiji, KOGAWA Yosuke, NAGANO Seiji, Shimojo Takahiro, Yamamoto Kenji, YONEZAWA Yasuhito
Принадлежит:

A work vehicle control system includes an actual topography acquisition device, a storage device, and a controller. The actual topography acquisition device acquires actual topography information, which indicates an actual topography of a work target. The storage device stores design topography information, which indicates a final design topography that is a target topography of the work target. The controller acquires the actual topography information from the actual topography acquisition device. The controller acquires the design topography information from the storage device. The controller generates a command signal to move the work implement along a locus that is more gently sloped than the actual topography when the actual topography positioned below the final design topography is sloped. 1. A control system for a work vehicle having a work implement , the control system comprising:an actual topography acquisition device that acquires actual topography information, which indicates an actual topography of a work target;a storage device that stores design topography information, which indicates a final design topography that which is a target topography of the work target; and acquire the actual topography information from the actual topography acquisition device,', 'acquire the design topography information from the storage device, and', 'generate a command signal to move the work implement along a locus that is more gently sloped than the actual topography when the actual topography positioned below the final design topography is sloped., 'a controller configured to'}2. The control system for a work vehicle according to claim 1 , whereinthe controller is further configured to change an inclination angle of the locus in response to a shape of the actual topography.3. The control system for a work vehicle according to claim 1 , wherein determine an upper limit position positioned a predetermined distance above the actual topography, and', equal to or higher ...

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Номер записи: 43
14-03-2019 дата публикации

System for controlling work vehicle, method for controlling work vehicle, and work vehicle

Номер: US20190078298A1
Автор: Akifumi Inamaru, Eiji Ishibashi, Kazuhiro Hashimoto, Yosuke KOGAWA
Принадлежит: KOMATSU LTD

A sensor outputs a signal indicating an excavation start position at which a work implement starts excavation. A controller determines an inclination angle of a virtual design surface so that an amount of soil between the virtual design surface extending from the excavation start position and a current landscape matches a predetermined target amount of soil. The controller generates a command signal that causes the work implement to move along the virtual design surface extending from the excavation start position in a direction inclined at the inclination angle.

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Номер записи: 44
14-03-2019 дата публикации

Control system for work vehicle, control method, and work vehicle

Номер: US20190078301A1
Автор: Akifumi Inamaru, Eiji Ishibashi, Kenji Yamamoto, Yasuhito YONEZAWA, Yosuke KOGAWA
Принадлежит: KOMATSU LTD

A work vehicle control system includes an actual topography acquisition device, a storage device, and a controller. The actual topography acquisition device acquires actual topography information, which indicates an actual topography of a work target. The storage device stores design topography information, which indicates a final design topography that is a target topography of the work target. The controller acquires the actual topography information from the actual topography acquisition device. The controller acquires the design topography information from the storage device. When the actual topography positioned below the final design topography is sloped, the controller generates a command signal to move the work implement along a locus positioned below the final design topography and below the actual topography, and a sloped locus that is positioned below the final design topography and above the actual topography.

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Номер записи: 45
31-03-2022 дата публикации

Work Machine

Номер: US20220097621A1
Автор: NAKAMURA Satoshi, Sakamoto Hiroshi, TORIYAMA Youhei
Принадлежит:

A hydraulic excavator includes a controller that determines the start of loading work for a dump truck and the end of the loading work on the basis of the operation state of the hydraulic excavator at the time of sensing of a work instruction by a horn, integrates a work-target-object weight measured since the start of the loading work until the end of the loading work, and calculates a loaded amount of the dump truck. 1. A work machine comprising:a machine body;a work arm that has, on one end side of the work arm, a work device that performs loading of a work target object onto a haulage machine, and is, on another end side of the work arm, attached to the machine body;a posture sensor that senses a posture of the work arm including the work device;a load sensor that senses a load acting on the work arm;a notification device for giving notification of a work instruction to the haulage machine; anda controller that determines, on a basis of the posture and the load, that a haulage step of hauling the work target object onto the haulage machine has been performed by the work arm measures a weight of the work target object during the haulage step, and determines, on the basis of the posture or the load, that a loading step of performing loading of the work target object onto the haulage machine has been performed by the work arm, wherein sense the work instruction via the notification device,', 'determine a start of loading work for the haulage machine and an end of the loading work on a basis of an operation state of the work machine at a time of the sensing of the work instruction,', 'integrate the weight of the work target object that has been measured from the start of the loading work until the end of the loading work, and calculate a loaded amount of the haulage machine, and', 'output the loaded amount to an external terminal at the end of the loading work., 'the controller is configured to'}2. The work machine according to claim 1 , wherein determine, as the ...

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Номер записи: 46
31-03-2022 дата публикации

SYSTEM AND METHOD FOR OPERATING A WORK MACHINE

Номер: US20220098828A1
Автор: Stander Francois
Принадлежит:

A method and system of using real-time control for a work machine to determine strategies for operating the work machine is disclosed. The method may comprise accessing a real-time cutting time; accessing a first productivity rate, accessing a payload data; analyzing the cutting time; determining an operating strategy based at least on changes in the cutting time and the payload data; and either executing the operating strategy or notifying an operator to execute the operating strategy. 1. A method of using real-time control for a work machine to determine strategies for operating the work machine , the method comprising:accessing a real-time cutting time wherein the real-time cutting time is based on a real-time monitoring of engagement of a cutting edge of a blade coupled to the work machine, with a ground surface;accessing a first productivity rate;accessing a payload data, wherein the payload data is based on a real-time input of payload into a receptacle of the work machine;analyzing the real-time cutting time, the first productivity rate, and the payload data;determining an operating strategy based at least on changes in the real-time cutting time and the payload data wherein the operating strategy includes determining a time to abort a cutting operation during a work cycle; andat least one of executing the operating strategy and notifying an operator to execute the operating strategy.2. The method of wherein the first productivity rate is based on a prior work cycle.3. The method of wherein the first productivity rate is based on an average of prior work cycles.4. The method of further comprising:determining a real-time productivity rate based on the payload data, a prior work cycle time, a prior cutting time, and the real-time cutting time.5. The method of claim 4 , wherein the operating strategy is further based on:determining when the real-time productivity rate is less than the first productivity rate.6. The method of claim 1 , wherein the work cycle ...

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Номер записи: 47
21-03-2019 дата публикации

SYSTEM AND METHOD FOR AUTOMATICALLY ADJUSTING A TARGET GROUND SPEED OF A MACHINE

Номер: US20190084573A1
Автор: Faivre Joseph
Принадлежит: CATERPILLAR INC.

A method for automatically adjusting a target ground speed of a machine includes receiving data from a sensor, at a work monitor unit of an electronic control module of the machine, analyzing the data received from the sensor on the work monitor unit, receiving the data from the work monitor unit at a target model unit of the electronic control module, calculating, at the target model unit based on the data, ground engagement data for the machine, receiving the ground engagement data for the machine at a work monitor library unit of the electronic control module, calculating, at the work monitor library unit, the target ground speed, and adjusting a speed of the machine to the target ground speed. 114-. (canceled)15. A system for automatically adjusting a target ground speed of a machine , the system comprising:an electronic control module having a processor and a memory configured to store a plurality of machine units;a deceleration control configured to provide a deceleration command to one of the machine units; andwherein the machine units are configured to determine, with the processor and based on the deceleration command, a target track pull, a target track speed, and a blade position.16. The system of claim 15 , wherein said machine units comprise:a work monitor unit configured to determine a raw target track pull and a raw target track speed based on data received from one or more sensors, wherein the data includes properties of a material on which the machine is operating;a target model unit configured to determine the target track pull and the target track speed based on the raw target track pull and the raw target track speed; anda work monitor library unit configured to determine the target ground speed based on the target track pull and the target track speed.17. The system of claim 16 , wherein the work monitor unit comprises:a material properties algorithm unit configured to analyze the properties of the material on which the machine is operating ...

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Номер записи: 48
29-03-2018 дата публикации

METHOD FOR ASSISTING AN EXCAVATOR OPERATOR WITH THE LOADING OF A TRANSPORTATION IMPLEMENT AND ASSISTANCE SYSTEM

Номер: US20180087240A1
Автор: Bonnetot Guillaume, GLINIORZ Volker, Schmitt Jonathan, Weiss Oliver
Принадлежит:

The present invention relates to a method for assisting an excavator operator with the loading of a mobile transportation implement, in particular heavy-duty truck, by means of the excavator shovel, wherein a loading strategy with the number of excavator loading cycles to be executed for loading the transportation implement is proposed to the excavator operator via an assistance system and/or the current payload distribution on the loading area of the transportation implement is indicated. 1. A method for assisting an excavator operator with the loading of a mobile transportation implement , in particular a heavy-duty truck , by the excavator shovel , wherein a loading strategy with the number of excavator loading cycles to be executed for loading the transportation implement is proposed to the excavator operator via an assistance system and/or the current payload distribution on the loading area of the transportation implement is indicated.2. The method according to claim 1 , wherein the assistance system determines the number of excavator loading cycles to be executed in dependence on the target payload for loading the loading area of the transportation implement and with a knowledge of the theoretical excavator shovel payload claim 1 , and the excavator operator preferably can configure a bandwidth for the target payload claim 1 , within which the actual payload of the transport must lie.3. The method according to claim 2 , wherein the theoretical excavator shovel payload is determined by taking account of the physical shovel size and/or the average filling factor of the shovel and/or the density of the material to be loaded.4. The method according to claim 1 , wherein a quantitative and/or qualitative specification of the excavator payload to be picked up in the excavator shovel is made to the excavator operator for the excavator loading cycle to be performed next claim 1 , to comply with the predetermined loading strategy.5. The method according to claim 1 , ...

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Номер записи: 49
31-03-2016 дата публикации

SEMI-AUTONOMOUS TRACTOR SYSTEM CREST RAMP REMOVAL

Номер: US20160090714A1
Автор: Edara Thandava K., Taylor Michael, Wei Mo
Принадлежит: CATERPILLAR INC.

A computer-implemented method for removing a crest end ramp along a work surface using a machine is provided. The computer-implemented method may include defining a volume threshold corresponding to a crest end region of the work surface where the volume threshold may be adjustable based on one or more parameters associated with the machine and the work surface, calculating a volume of material within the crest end region, comparing the calculated volume with the volume threshold, issuing a ramp cut if the calculated volume approximates but does not exceed the volume threshold, and issuing a short cut if the calculated volume exceeds the volume threshold. 1. A computer-implemented method for removing a crest end ramp along a work surface using a machine , comprising:defining a volume threshold corresponding to a crest end region of the work surface, the volume threshold being adjustable based on one or more parameters associated with the machine and the work surface;calculating a volume of material within the crest end region;comparing the calculated volume with the volume threshold;issuing a ramp cut if the calculated volume approximates but does not exceed the volume threshold; andissuing a short cut if the calculated volume exceeds the volume threshold.2. The computer-implemented method of claim 1 , wherein the volume threshold is initially defined based on one of operator input and a recently adjusted volume threshold.3. The computer-implemented method of claim 1 , wherein the volume threshold is adjustable based on one or more parameters pertaining to target slot slope claim 1 , valley slope of a dumping valley proximate to the crest end region claim 1 , existing terrain proximate to the crest end region claim 1 , physical specifications of the machine claim 1 , and operating conditions of the machine.4. The computer-implemented method of claim 1 , wherein the volume threshold is automatically adjusted per iteration of the method according to monitored changes ...

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Номер записи: 50
21-03-2019 дата публикации

System for controlling work vehicle, method for controlling work vehicle, and work vehicle

Номер: US20190085529A1
Автор: Akifumi Inamaru, Eiji Ishibashi, Junji Harada, Seiji Nagano, Yasuhito YONEZAWA
Принадлежит: KOMATSU LTD

When a current landscape includes an upward slope and a downward slope existing ahead of the upward slope, a controller determines a virtual design surface including a first design surface inclined at a smaller angle than the upward slope and a second design surface inclined with respect to the first design surface at a smaller angle than the downward slope. The controller generates a command signal that causes a work implement to move along the virtual design surface.

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Номер записи: 51
30-03-2017 дата публикации

SYSTEM AND METHOD FOR POSITIONING CONSTRUCTION MACHINE

Номер: US20170089032A1
Автор: Hokkanen Visa, Leppanen Jarkko, Vesanen Mikko, Vittinki Tomi
Принадлежит:

A positioning system and a method of positioning a construction machine on a work site include at least one reference point on the work site. Position data of the reference point is determined in a work site coordinate system and input to a control unit of the construction machine. A tool is calibration positioned in accordance with the reference point in order to connect a machine coordinate system to the work coordinate system. 1. A positioning system of a construction machine , the positioning system comprising:a machine coordinate system of the construction machine;at least one boom measuring device for determining position of a tool of the construction machine relative to a carrier in the machine coordinate system;at least one heading measuring device for determining heading of the tool;means for determining inclination of the carrier;at least one control unit comprising at least one processor for determining the position and direction of the tool in the machine coordinate system on the basis of measuring data input to the control unit;at least one reference point on a work site;position data of the reference point in a work site coordinate system is input to the control unit; andthe control unit is configured to connect the machine coordinate system to the work site coordinate system as a response to a calibration positioning wherein the tool is positioned in accordance with the reference point.2. The positioning system as claimed in claim 1 , wherein the construction machine is an excavator.3. The positioning system as claimed in claim 1 , wherein the tool is a bucket.4. The positioning system as claimed in claim 1 , whereinthe at least one reference point is marked on a work site inside a reach area of the tool; andthe tool is positioned on the reference point.5. The positioning system as claimed in claim 1 , whereinthe tool comprises at least one measuring point.6. The positioning system as claimed in claim 1 , whereinthe control unit is configured to ...

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Номер записи: 52
05-05-2022 дата публикации

WORK MACHINE

Номер: US20220136216A1
Автор: NAKANO Hisami, Sakamoto Hiroshi, SUZUKI Yusuke, TANAKA Hiroaki
Принадлежит:

The present disclosure provides a work machine capable of providing operation assistance matching an operator's intent in consideration of a rotating motion. A control device includes a storage device and a central processing device The storage device has stored therein construction target information for a work device and determination criteria information for the work content of the work device based on the amount of operation of a rotating device The central processing device based on the position and attitude of the work device detected by a sensor the amount of operation of the rotating device detected by an operation amount detection device, and the determination criteria information stored in the storage device determines the work content of the work device calculates a correction value for the construction target information based on the determined work content, and controls a drive device based on the construction target information and the correction value to assist an operation by an operator.

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Номер записи: 53
19-03-2020 дата публикации

TIRE SIZE CALIBRATION AND CONTROL SYSTEM

Номер: US20200087889A1
Автор: Fritz Justin E.
Принадлежит:

A mobile machine includes a plurality of ground-engaging elements that each include a tire, and a plurality of motors, one motor coupled to each of the plurality of ground-engaging elements configured to drive movement of the plurality of ground-engaging elements. The mobile machine also includes a speed sensor coupled to each motor configured to generate speed signals indicative of an operating speed of each motor. The mobile machine includes a tire calibration system configured to receive the speed signals from each speed sensor and to identify a tire size differential across the plurality of ground-engaging elements based on the speed signals. The mobile machine includes a control system configured to generate a separate control signal for each of the plurality of motors based on the tire size differential. 1. A mobile machine , comprising:a plurality of ground-engaging elements that each comprise a tire;a plurality of motors, one motor coupled to each of the plurality of ground-engaging elements configured to drive movement of the plurality of ground-engaging elements;a speed sensor coupled to each motor configured to generate speed signals indicative of an operating speed of each motor;a tire calibration system configured to receive the speed signals from each speed sensor and to identify a tire size differential across the plurality of ground-engaging elements based on the speed signals; anda control system configured to generate a separate control signal for each of the plurality of motors based on the tire size differential.2. The mobile machine of claim 1 , wherein the tire calibration system comprises:wheel slippage determination logic configured to determine a wheel slippage value indicative of wheel slippage for the plurality of ground-engaging elements; andarticulation/wheel angle determination logic configured to identify an articulation/steering angle for the mobile machine.3. The mobile machine of claim 2 , wherein the tire calibration system ...

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Номер записи: 54
07-04-2016 дата публикации

CONTROL SYSTEM FOR CONSTRUCTION MACHINE AND CONTROL METHOD

Номер: US20160097184A1
Автор: Ichihara Masashi, KAMI Yoshiki, Matsuyama Toru
Принадлежит:

A construction machine has a work implement and a work implement operating device. The work implement has a boom, arm, and bucket. A limit velocity determining unit determines a limit velocity of the boom from the limit velocity of the entire work implement, the arm target velocity, and the bucket target velocity. The distance when the blade tip of the bucket is positioned outside of the design plane is a positive value and the velocity in a direction from inside of the design plane toward outside of the design plane is a positive value. The first limit condition includes a condition that the limit velocity of the boom is greater than the boom target velocity. When the first limit condition is satisfied, a work implement control unit controls the boom to match the limit velocity of the boom and controls the arm to match the arm target velocity. 1. A control system for a construction machine equipped with a work implement and an operating device used to operate the work implement , the work implement having a boom , an arm , and a bucket , the control system comprising:a design plane setting unit configured to set a design plane indicating a target shape to be excavated; a boom target velocity in accordance with an operation amount of the operating device to operate the boom,', 'an arm target velocity in accordance with an operation amount of the operating device device to operate the arm, and', 'a bucket target velocity in accordance with an operation amount of the operating device device to operate the bucket;, 'a target velocity determining unit configured to determine'}a distance obtaining unit configured to obtain a distance between a blade tip of the bucket and the design plane;a limit velocity determining unit configured to determine a limit velocity of an entirety of work implement based on the distance;a first limit determining unit configured to determine whether a first limit condition is satisfied; anda work implement control unit configured to control ...

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Номер записи: 55
28-03-2019 дата публикации

SHOVEL

Номер: US20190093317A1
Автор: IZUMIKAWA Takeya
Принадлежит:

A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, an image capturing device attached to the upper turning body, and a display device. The operating condition of an object detecting function using the image capturing device is displayed on the display device. 1. A shovel comprising:a lower traveling body;an upper turning body turnably mounted on the lower traveling body;an image capturing device attached to the upper turning body; anda display device,wherein an operating condition of an object detecting function using the image capturing device is displayed on the display device.2. The shovel as claimed in claim 1 , whereinan image displayed on the display device includes a first area and a second area, the second area being at a position different from the first area,a captured image is displayed in the first area, andthe operating condition of the object detecting function is displayed in the second area.3. The shovel as claimed in claim 2 , whereinthe operating condition of the object detecting function is at least one of a detection preparing condition, a detection-performable condition and a detection-unperformable condition among a plurality of operating conditions,there is a difference in a mode of display between the plurality of operating conditions of the object detecting function displayed in the second area, andthe difference in the mode of display is at least one of a difference in color, a difference in pattern, a difference between display and non-display, and a difference between lighting and blinking.4. The shovel as claimed in claim 3 , wherein the detection-unperformable condition includes a condition in which there is a possibility of failing to detect a person claim 3 , said condition being a condition of low visibility due to rain or fog or a condition of low visibility due to insufficient luminance in indoor work or night-time work.5. The shovel as claimed in claim 2 , wherein the ...

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Номер записи: 56
26-06-2014 дата публикации

System and Method for Estimating Material Characteristics

Номер: US20140180547A1
Автор: Kenneth L. Stratton, Michael Taylor, Mo Wei, Thandava K. Edara, Timothy Felty, Troy K. Becicka
Принадлежит: Caterpillar Inc

A system for determining material characteristics of a material of a work surface includes a position sensor and a controller. The controller stores a first estimate of the material characteristics and utilizes a planning system to determine an expected profile. The expected profile is based at least in part upon the first estimate of the material characteristics. The controller determines an actual profile of the work surface, compares the expected profile to the actual profile, and determines a second estimate of the material characteristics based at least in part upon the difference between the expected profile and the actual profile.

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Номер записи: 57
26-03-2020 дата публикации

METHOD FOR TIPPING OUT A CARGO LOAD

Номер: US20200095749A1
Автор: Ballaire Frederic, Bechtold Patrick, STARK Sebastian
Принадлежит:

A method for tipping out a cargo load from a reception unit includes providing the reception unit on a lifting device of a work machine, performing a tipping out process of a mass of cargo load from the reception unit, detecting a predetermined residual mass of the cargo load remaining in the reception unit, detecting a predetermined loading mass tipped out during the tipping step, and completing the tipping out process as a function of the predetermined residual mass or the predetermined loading mass. 1. A method for tipping out a cargo load from a reception unit , comprising:providing the reception unit on a lifting device of a work machine;performing a tipping out process of a mass of cargo load from the reception unit;detecting a predetermined residual mass of the cargo load remaining in the reception unit;detecting a predetermined loading mass tipped out during the tipping step; andcompleting the tipping out process as a function of the predetermined residual mass or the predetermined loading mass.2. The method as claimed in claim 1 , further comprising determining a mass of the cargo load as an initial mass of the cargo load contained in the reception unit before the tipping out process or as a current mass of the cargo load contained in the reception unit during the tipping out process.3. The method as claimed in claim 2 , further comprising determining the residual mass as a function of the determined initial mass.4. The method as claimed in claim 1 , further comprising determining the residual mass as a function of the predetermined loading mass.5. The method as claimed in claim 4 , wherein claim 4 , before completing the tipping out process claim 4 , comparing the current mass of the cargo load contained in the reception unit with the predetermined residual mass.6. The method as claimed in claim 1 , further comprising:providing the lifting device as a boom tiltably mounted about a first tilt axis relative to the work machine, the reception unit tiltably ...

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Номер записи: 58
02-06-2022 дата публикации

CONSTRUCTION EQUIPMENT

Номер: US20220170238A1
Автор: KIM DONGSOO, Kim Miok
Принадлежит:

Provided is construction equipment including: an undercarriage; an upper swing body rotatably supported on the undercarriage; a work device supported by the upper swing body and comprising a boom, an arm and a bucket, which operate by means of respective hydraulic cylinders; a control valve for controlling the boom cylinder; an electronic proportional pressure reducing valve for controlling a spool of the control valve; a control lever for outputting a control signal corresponding to the amount of control of a driver; a work setting unit for providing a work mode and target work surface setting function; a location information providing unit for, according to a work mode setting of the work setting unit, collecting and/or calculating location information of the work device and location information of a work surface that has been set; and an electronic control unit. 1. A construction equipment comprising:an undercarriage;an upper swing body rotatably supported on the undercarriage;a work device supported by the upper swing body and comprising a boom, an arm, and a bucket, which operate by means of respective hydraulic cylinders;a control valve for controlling the boom cylinder;an electronic proportional pressure reducing valve for controlling a spool of the control valve;a control lever for outputting a control signal corresponding to the amount of control of a driver;a work setting unit for providing a work mode and a target work surface setting function;a location information providing unit for, according to a work setting of the work setting unit, collecting and/or calculating location information of the work device and location information of a work surface that has been set; andan electronic control unit for calculating and outputting boom pilot pressure for the electronic proportional pressure reducing valve,wherein the electronic control unit controls the operation of the boom by using the control signal of the control lever and the location information ...

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Номер записи: 59
02-06-2022 дата публикации

WORKING MACHINE

Номер: US20220170243A1
Автор: HAYAKAWA Naoki, ROH Joonyoung, Sakamoto Hiroshi, TORIYAMA Youhei
Принадлежит:

A working machine includes a design data obtainment unit a topography measuring device and a controller The controller extracts peripheral area shape data from the design data in the construction-site coordinate system, maps similar shape portions between the extracted peripheral area shape data and the current topography data in the current topography coordinate system, calculates a coordinate transformation matrix to transform from the current topography coordinate system to the construction-site coordinate system so that a difference in coordinate values of the mapped shape portions is minimized, and transforms the self-position and posture of the working machine and the current topography data from coordinates in the current topography coordinate system to coordinates in the construction-site coordinate system using the calculated coordinate transformation matrix. 1. A working machine comprising:a traveling body that travels;a swing body mounted to the traveling body to be swingable;a working front mounted to the swing body to be rotatable;a design data obtainment unit configured to obtain design data that has topographical data after completion of construction in the form of three-dimensional data;a topography measuring device configured to measure surrounding topographical data in the form of three-dimensional data; anda controller having a design data processor configured to process the topographical data obtained by the design data obtainment unit as a predetermined first coordinate system design data, a current topography data generator configured to generate current topography data of the second coordinate system from the topography data measured by the topography measuring device, the second coordinate system being defined based on the installation position of the topography measuring device, and a position/posture estimation unit configured to estimate a self-position and posture in the second coordinate system based on the current topography data ...

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Номер записи: 60
03-07-2014 дата публикации

CONTROLLING A DIGGING OPERATION OF AN INDUSTRIAL MACHINE

Номер: US20140188351A1
Автор: Colwell Joseph, Hren William, Linstroth Michael, Wendt David
Принадлежит: HARNISCHFEGER TECHNOLOGIES, INC.

Controlling a digging operation of an industrial machine that includes a dipper, a crowd motor drive, and a controller. The crowd motor drive is configured to provide one or more control signals to a crowd motor, and the crowd motor is operable to provide a force to the dipper to move the dipper toward or away from a bank. The controller is connected to the crowd motor drive and is configured to monitor a characteristic of the industrial machine, identify an impact event associated with the dipper based on the monitored characteristic of the industrial machine, and set a crowd motoring torque limit for the crowd motor drive when the impact event is identified. 120-. (canceled)21. An industrial machine comprising:a dipper;a crowd drive configured to generate one or more control signals for a crowd hydraulic actuator, the crowd hydraulic actuator being operable to provide a force to the dipper to produce a crowd motion; and monitor a characteristic of the industrial machine,', 'identify an impact event associated with the dipper based on a value of the monitored characteristic of the industrial machine, and', 'set a crowd force value for the crowd hydraulic actuator based on the value of the monitored characteristic of the industrial machine when the impact event is identified., 'a controller connected to the crowd drive, the controller configured to'}22. The industrial machine of claim 21 , wherein the characteristic of the industrial machine is an acceleration associated with the dipper.23. The industrial machine of claim 22 , wherein the acceleration associated with the dipper is a negative acceleration.24. The industrial machine of claim 21 , wherein the characteristic of the industrial machine is an inclination of the industrial machine.25. The industrial machine of claim 21 , wherein the characteristic of the industrial machine is a crowd force associated with the industrial machine.26. The industrial machine of claim 21 , wherein the characteristic of the ...

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Номер записи: 61
20-04-2017 дата публикации

METHOD FOR CONSTRUCTING BUILDING THROUGH GRAVITY AND WEIGHT OF THE BUILDING STRUCTURE

Номер: US20170107713A1
Автор: AMIRIAN EDVARD, Azizians Areg, KANANI FARDIN, Saadatmand Vahid
Принадлежит:

A method for constructing a building structure using gravity and weight of the building structure is provided. The method includes designing an architecture and a construction plan of the building structure, planning an initial box for a structural design, tuning a ground required for construction of the building structure, constructing the initial box as per the planning, constructing an upper floor on the initial box, constructing remaining parts of the building structure including foundation for the building structure, and assembling a plurality of temporary structures to the building structure. 1. A method for constructing a building structure using gravity and weight of the building structure , the method comprising the steps of:designing an architecture and a construction plan of the building structure, wherein the architecture and construction plan is designed based on a plurality of constraints;planning an initial box for a structural design, and wherein the planning of the initial box includes calculating a height of the initial box based on the designed architecture and the construction plan;tuning a ground required for construction of the building structure, and wherein tuning the ground includes excavating soil from the ground according to the planned initial box;constructing the initial box as per the planning, and wherein constructing the initial box includes construction of a plurality of retaining walls, main pillars, a plurality of beams, a plurality of shear walls, and wherein construction of the initial box is carried out using a plurality of construction machinery and materials including concrete, a plurality of buckets, reinforced steel, iron, stones, bricks, and sand;constructing an upper floor on the initial box, wherein the construction of the upper floor includes construction of ceiling, and wherein the upper floor is constructed with an opening in the ceiling, and wherein the upper floors are constructed using a plurality of temporary ...

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Номер записи: 62
02-04-2020 дата публикации

System and Method for Controlling the Operation of a Machine

Номер: US20200102721A1
Автор: Wei Mo
Принадлежит: CATERPILLAR INC.

A system for moving material with a ground engaging work implement determines a topography of the work surface, a maximum cutting capacity for a cutting operation, and a maximum carrying capacity for a carrying operation. A first double cut location is determined based upon the maximum carrying capacity and the topography of the work surface and a second double cut location is determined based upon the maximum carrying capacity and a modified topography of the work surface. Individually, the amount of material from each of the first and second double cut locations is less than the maximum cutting capacity, and combined is less than the maximum carrying capacity. A first forward double cut command moves the first double cut material to an intermediate position and a second forward double cut command moves the first double cut material and the second double cut amount of material to a dump location. 1. A system for moving material with a machine at a work site with a ground engaging work implement along a path from a first work area to a dump location , comprising:a position sensor for generating position signals indicative of a position of a work surface; and receive position signals from the position sensor;', 'determine a topography of the work surface based upon the position signals;', 'determine a maximum cutting capacity for a cutting operation between the work surface and a target surface beneath the work surface;', 'determine a maximum carrying capacity for a carrying operation along a carry surface from an end of a loading profile to the dump location;', 'determine a first double cut location of a double cut operation along the work surface based upon the maximum carrying capacity and the topography of the work surface, and the first double cut location, the topography, and a first loading profile defining a first double cut amount of material to be moved;', 'determine a second double cut location of the double cut operation based upon the maximum carrying ...

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Номер записи: 63
11-04-2019 дата публикации

CONTROL UNIT FOR DUMPING OF MATERIAL

Номер: US20190106859A1
Автор: Frank Martin
Принадлежит: VOLVO CONSTRUCTION EQUIPMENT AB

A control unit is provided for controlling the dumping of a material entity from an implement of a working machine into a receiver. The control unit is adapted to determine a loading operation information including a current loading condition indicative of the distribution of the material that is currently accommodated by the receiver, and material characteristic information comprising one or more properties of the material of the material entity that is present in the implement. The control unit is adapted to, on the basis of the loading operation information, determine a dumping position within the receiver at which dumping position the material entity is to be dumped. 1. A control unit for controlling the dumping of a material entity from an implement of a working machine into a receiver , wherein the control unit is adapted to determine a loading operation information comprising:a current loading condition indicative of the distribution of the material that is currently accommodated by the receiver, anda material characteristic information comprising one or more properties of the material of the material entity that is present in the implement,the control unit being adapted to, on the basis of the loading operation information, determine a dumping position within the receiver at which dumping position the material entity is to be dumped.2. The control unit according to claim 1 , wherein the material entity comprises or substantially consists of granular material such as at least one of sand claim 1 , soil claim 1 , clay claim 1 , earth and gravel.3. The control unit according to claim 1 , wherein the control unit is adapted to determine the dumping position claim 1 , on the basis of the loading operation information claim 1 , each time a new material entity is intended to be dumped into the receiver.4. The control unit according to claim 1 , wherein the material characteristic information comprises information indicative of how the material entity will spread ...

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Номер записи: 64
11-04-2019 дата публикации

Control system for work vehicle, method for controlling control system for work vehicle, and work vehicle

Номер: US20190106862A1
Автор: Akihiko Sakamoto, Yutaka Ono
Принадлежит: KOMATSU LTD

Provided is a control system for a work vehicle having a work implement, the control system including: a position measurement unit for measuring a position of a windrow produced by grading work; a work route setting unit for setting a work route based on the position of the windrow that has been measured by the position measurement unit; and a travel control unit for controlling the work vehicle to travel along the work route that has been set by the work route setting unit.

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Номер записи: 65
09-06-2022 дата публикации

WORK MACHINE, SYSTEM, AND METHOD OF CONTROLLING WORK MACHINE

Номер: US20220178106A1
Автор: FUJII Kensuke, KUMAGAI Toshiaki
Принадлежит: KOMATSU LTD.

A payload calculation value (CalcuPayload) of a load within a bucket is calculated based on load of a boom cylinder. An amount of change per unit time in information on at least one of an operation command value for operating the boom cylinder and a speed of extension and contraction of the boom cylinder is sensed. A payload value is determined by correcting based on the amount of change per unit time, the payload calculation value (CalcuPayload) obtained by calculation. 1. A work machine comprising:a boom;an arm attached to a tip end of the boom;a bucket attached to a tip end of the arm;a boom cylinder that drives the boom; anda controller that calculates a payload calculation value of a load within the bucket based on load of the boom cylinder, detects an amount of change per unit time in information on at least one of an operation command value for operating the boom cylinder and a speed of extension and contraction of the boom cylinder, and determines a payload value by correcting based on the amount of change per unit time, the payload calculation value obtained by calculation.2. The work machine according to claim 1 , whereinthe controller determines the payload value by calculating a weighted average of payload calculation values with a weight at time when the amount of change per unit time is large being made smaller and with a weight at time when the amount of change per unit time is small being made larger.3. The work machine according to claim 2 , whereinthe controller calculates a plurality of weights, and determines the payload value by calculating the weighted average of the payload calculation values large in weight among the plurality of weights, rather than the payload calculation values small in weight among the plurality of weights.4. The work machine according to claim 1 , whereinthe operation command value and the speed of extension and contraction of the boom cylinder refer to the operation command value and the speed of extension and ...

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Номер записи: 66
09-06-2022 дата публикации

SYSTEM AND METHOD FOR CONTROLLING WORK MACHINE

Номер: US20220178107A1
Автор: TAKAOKA Yukihisa
Принадлежит:

One or more processors control a first work machine to work according to a first work lane. The one or more processors control a second work machine to work according to a second work lane. The one or more processors determine whether at least a part of the second work machine is located in a first work area. When at least a part of the second work machine is located in the first work area, the one or more processors control the first work machine to perform an interference avoidance operation with respect to the second work machine. 1. A system comprising:a first work machine;a second work machine; and allocate to the first work machine a first work area including a plurality of first work lanes extending in a predetermined first working direction and arranged in a direction intersecting the first working direction,', 'acquire first position data indicative of a position of the first work machine,', 'control the first work machine to work according to the first work lane,', 'allocate to the second work machine a second work area including a plurality of second work lanes extending in a predetermined second working direction and arranged in a direction intersecting the second working direction,', 'acquire second position data indicative of a position of the second work machine,', 'control the second work machine to work according to the second work lane,', 'determine whether at least a part of the second work machine is located in the first work area, and', 'control the first work machine to perform an interference avoidance operation with respect to the second work machine when at least a part of the second work machine is located in the first work area., 'one or more processors that control the first work machine and the second work machine, the one or more processors being configured to'}2. The system according to claim 1 , whereinwhen an area of an excavation wall located between the first work area and the second work area is allocated to the second work ...

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Номер записи: 67
09-06-2022 дата публикации

CONSTRUCTION EQUIPMENT

Номер: US20220178113A1
Автор: KIM DONGSOO, Kim Miok
Принадлежит:

A construction equipment includes a work device including a boom, an arm, and a bucket moved by means of respective hydraulic cylinders; a control valve for controlling the hydraulic cylinders; an operation lever for outputting an operation signal corresponding to the operation amount of a driver; a work setting unit capable of setting and/or selecting the work area of the work device; a location information provision unit for collecting and/or calculating location information of the work device and/or location information of the work area; and an electronic control unit for outputting a control signal for the control valve according to a signal inputted from at least one from among the control lever, the work setting unit, and the location information provision unit. The electronic control unit calculates the distance between the work area and the work device and controls the speed of the work device on the basis of the calculated distance. 1. A construction equipment comprising:a lower traveling body;an upper swing body rotatably supported on the lower traveling body;a work device comprising a boom, an arm, and a bucket moved by means of respective hydraulic cylinders and supported by the upper swing body;a control valve for controlling the hydraulic cylinder; an operation lever for outputting an operation signal corresponding to the operation amount of a driver;a work setting unit capable of setting and/or selecting the work area of the work device;a location information provision unit for collecting and/or calculating location information of the work device and/or location information of the work area; andan electronic control unit for outputting a control signal for the control valve according to a signal inputted from at least one from among the control lever, the work setting unit, and the location information provision unit,wherein the electronic control unit is configured to calculate the distance between the work area and the work device and to control the ...

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Номер записи: 68
03-05-2018 дата публикации

LOADER CONTROL SYSTEM AND LOADER CONTROL METHOD

Номер: US20180119384A1
Автор: HIRABAYASHI Ken, Imaizumi Masaaki, Kousuge Satoshi
Принадлежит:

A loader control system includes: a boom position calculation unit configured to calculate a position of a boom rotatably supported by a vehicle body of a loader; a bucket attitude calculation unit configured to calculate an attitude of a bucket rotatably supported by the boom; a determination unit configured to determine whether the attitude satisfies a predetermined condition on the basis of the attitude and a reference attitude of the bucket in dumping movement; and a work machine control unit configured to cause the bucket to carry out the dumping movement, and output a control signal to cause the boom to carry out lifting movement when the attitude is determined to satisfy the predetermined condition. 1. A loader control system , comprising:a boom position calculation unit configured to calculate a position of a boom rotatably supported by a vehicle body of a loader;a bucket attitude calculation unit configured to calculate an attitude of a bucket rotatably supported by the boom;a determination unit configured to determine whether or not the attitude satisfies a predetermined condition on a basis of the attitude and a reference attitude of the bucket in dumping movement; anda work machine control unit configured to cause the bucket to carry out the dumping movement, and output a control signal to cause the boom to carry out lifting movement when the attitude is determined to satisfy the predetermined condition.2. The loader control system according to claim 1 , wherein when the attitude is determined not to satisfy the predetermined condition claim 1 , the work machine control unit outputs a control signal to maintain the position of the boom during the dumping movement of the bucket.3. The loader control system according to claim 1 , whereinthe attitude includes a detected angle which is an angle calculated on a basis of detection data of the attitude of the bucket,the reference attitude includes a reference angle which is an angle of reference of the bucket, ...

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Номер записи: 69
24-07-2014 дата публикации

Method for controlling a working machine

Номер: US20140207346A1
Автор: Lennart Skogh, Reno Filla
Принадлежит: VOLVO CONSTRUCTION EQUIPMENT AB

A method for controlling a working machine provided with a bucket as a work implement by which a lifting force can be exerted on an object such as a gravel pile, and at least one ground engaging element by which a traction force can be exerted on the same object is provided. A state input indicative of a current bucket state is received, the bucket height being a parameter of the current bucket state, determining a lifting force eliminating speed of the power source (“LFES”) at the current bucket state, the LFES being the speed at and above which no lifting force could be achieved considering a reaction force acting on the bucket caused by the traction force, and the speed of the power source is controlled not to reach the LFES in order that at least some lifting force could be achieved.

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Номер записи: 70
12-05-2016 дата публикации

REMOTE CONTROLLED COMPACTION MACHINE

Номер: US20160130785A1
Автор: Geier Daniel, Schulenberg David
Принадлежит:

A compaction machine such as a vibration trench roller has a supplemental receiver such as an eye located generally centrally of the machine and within a common reception zone of another receiver on the machine. The eye can receive a signal that is blocked from impinging upon the machine's other receiver(s), preventing the machine from shutting down when it passes beneath an obstruction and negating the need for the operator to reposition himself or herself to reestablish communications with the machine. The supplemental receiver may be positioned so as to maximize the operating range of the controller while reducing or avoiding false signals that otherwise could occur due to signal reflection. This positioning may include providing shielding around the supplemental receiver that creates a geometric umbrella of reception capability that forms a protection zone beneath it. Signals transmitted from within the protection zone cannot impinge on the supplemental receiver. 1. A compaction machine:a mobile chassisa compaction device on which the mobile chassis is mounted and which compacts the surface on which the machine is supported;first and second receivers configured to simultaneously receive a line of sight-based signal from the same remote controller, whereby one of the receivers will continue to receive the signal if a signal path to the other receiver is blocked by an obstruction.2. The compaction machine of claim 1 , whereinthe first receiver is supported on the chassis in the vicinity of a first longitudinal end of the machine, andthe second receiver supported on the chassis in the vicinity of a longitudinal center of the machine.3. The compaction machine of claim 2 , further comprising a third receiver supported on the chassis in the vicinity of a second longitudinal end of the machine opposite the first longitudinal end claim 2 , and wherein the second receiver is located in a first common reception zone with the first receiver and in a second common reception ...

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Номер записи: 71
01-09-2022 дата публикации

METHOD FOR GENERATING EXCAVATION TRAJECTORY, SYSTEM, AND EXCAVATION TRAJECTORY GENERATION APPARATUS

Номер: US20220275606A1
Автор: YOSHIDA Hiroshi, YOSHIMOTO Tatsuya
Принадлежит: NEC Corporation

In order to generate a trajectory that enables efficient excavation of an object, an excavation trajectory generation apparatus includes: an excavation point obtaining section configured to obtain information related to an excavation point at which an object is to be excavated; a parameter calculation section configured to calculate a parameter to be used for generating an excavation trajectory; and an excavation trajectory generation section configured to generate a trajectory with which an excavator excavates the object , based on the excavation point, accumulation height information for the object at the excavation point, and an excavation possible range for the excavator to excavate the object 1. A method for generating an excavation trajectory , the method comprising:obtaining information related to an excavation point at which an object is to be excavated; andgenerating a trajectory with which an excavator excavates the object, based on the excavation point, accumulation height information for the object at the excavation point, and an excavation possible range for the excavator to excavate the object.2. The method for generating an excavation trajectory according to claim 1 , wherein in the obtaining of the information related to the excavation point claim 1 , the excavation point is determined based on an accumulation volume of the object.3. The method for generating an excavation trajectory according to or claim 1 , further comprisingindicating, to the excavator, that the excavator excavates the object along the trajectory.4. The method for generating an excavation trajectory according to any one of to claim 1 , wherein in the generating of the trajectory claim 1 , the trajectory is generated based on the accumulation height information for the object claim 1 , the excavation possible range for the excavator claim 1 , a distance from the excavator to the excavation point claim 1 , and a gradient of the object accumulated at the excavation point.5. The ...

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Номер записи: 72
02-05-2019 дата публикации

WORKING MACHINE

Номер: US20190127957A1
Автор: Endo Kazuomi
Принадлежит: Kobelco Construction Machinery Co., Ltd.

Provided is a working machine having an expanded range of a working device posture which permits information on an attachment of the working device to be transmitted from the attachment to a machine body through wireless communication. The working machine includes: a transmitter disposed in the attachment so as to be displaced together with the attachment relatively to the machine body and configured to send an information signal containing information on the attachment; a receiver disposed in the machine body and configured to receive the information signal; a controller which acquires information on the attachment based on the information signal received by the receiver; and a relay device disposed in the working device main body to receive the information signal sent by the transmitter and transmit the information signal to a position at which the information signal can be received by the receiver. 1. A working machine comprising:a machine body;a working device which includes a working device main body mounted on the machine body and an attachment detachable from the working device main body, the working device being operable to displace the attachment relatively to the machine body;a transmitter disposed in the attachment so as to be displaced together with the attachment relatively to the machine body and configured to send an information signal containing information on the attachment;a receiver disposed in the machine body and being capable of receiving the information signal;a controller which acquires information on the attachment based on the information signal received by the receiver; anda relay device disposed in the working device main body to receive the information signal sent by the transmitter and to transmit the information signal to a position at which the information signal can be received by the receiver.2. The working machine according to claim 1 , wherein the relay device includes at least one relay unit claim 1 , the at least one relay unit ...

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Номер записи: 73
17-05-2018 дата публикации

WHEEL LOADER

Номер: US20180135273A1
Автор: TSUJI Hideki
Принадлежит: KOMATSU LTD.

A wheel loader includes a work implement, an obtaining unit, and a control unit. The work implement includes a bucket. The obtaining unit obtains soil property information on a soil property of an excavation object. The control unit controls an operation to excavate the excavation object with the bucket of the work implement based on the soil property information obtained by the obtaining unit. 1. A wheel loader comprising:a work implement including a bucket;an obtaining unit which obtains soil property information on a soil property of an excavation object; anda control unit which controls an operation to excavate the excavation object with the bucket of the work implement based on the soil property information obtained by the obtaining unit.2. The wheel loader according to claim 1 , whereinthe obtaining unit obtains moisture information representing an amount of moisture contained in the excavation object, andthe control unit controls the operation to excavate the excavation object based on the obtained moisture information.3. The wheel loader according to claim 1 , whereinthe obtaining unit obtains grain size information representing a grain size of soil of the excavation object, andthe control unit controls the operation to excavate the excavation object based on the obtained grain size information.4. The wheel loader according to claim 1 , the wheel loader further comprising a display claim 1 , whereinthe control unit has the display show operation guidance for the operation to excavate the excavation object with the bucket of the work implement based on the soil property information obtained by the obtaining unit.5. The wheel loader according to claim 1 , whereinthe obtaining unit further obtains form information on a form of the bucket, andthe control unit controls an excavation operation with the bucket of the work implement based on the soil property information and the form information obtained by the obtaining unit.6. The wheel loader according to claim 5 ...

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Номер записи: 74
08-09-2022 дата публикации

Operation Assistance System for Work Machine

Номер: US20220282459A1
Автор: CHIBA Takaaki, IMURA Shinya, ITO Masamichi, SHIWAKU Koji, YAMAMOTO Shinjiro
Принадлежит:

Provided is an operation assistance system for a work machine having both operation assistance and work assistance functions, capable of reducing the inconvenience to an operator or the like of setting an area of the operation assistance function and an area of the work assistance function, and preventing a collision of the work machine with an object in a work area. The operation assistance system for a work machine has the operation assistance function of stopping a hydraulic excavator (work machine) when an object is detected in a stop area set in advance and the work assistance function of preventing the hydraulic excavator (work machine) from going out of a work area set in advance. When both of the work assistance function and the operation assistance function can be switched between enabled and disabled states, and when the work assistance function is in an enabled state and the work area is set, the operation assistance system enables the operation assistance function and sets the work area as the stop area 1. An operation assistance system for a work machine comprising:an operation assistance function of stopping a work machine when an object is detected in a stop area set in advance based on detection information from a detection device that detects an object around the work machine with a work implement; anda work assistance function of preventing the work machine from going out of a work area set in advance based on attitude information of the work machine,wherein when the work area is set, the operation assistance system sets the work area as the stop area.2. The operation assistance system for a work machine according to claim 1 , wherein when the operation assistance function can be switched between enabled and disabled states claim 1 , and when the work area is set claim 1 , the operation assistance system enables the operation assistance function and sets the work area as the stop area.3. The operation assistance system for a work machine according ...

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Номер записи: 75
08-09-2022 дата публикации

SYSTEM AND METHOD FOR TERRAIN BASED CONTROL OF SELF-PROPELLED WORK VEHICLES

Номер: US20220282460A1
Автор: Bhardwaj Tejal, DONGARE DIPANKAR D., JADHAV RUSHIKESH R., JAGTAP DNYANESHWAR J., Oglesby Madeline T., Velde Todd F., Wickersheim Jeremiah, WUISAN Giovanni A.
Принадлежит:

A terrain-based travel assist system and method are provided for stability control in a self-propelled work vehicle such as an excavator comprising ground engaging units and at least one work implement configured for controllably working terrain. Upon selecting or determining a travel mode for the work vehicle, the respective predetermined target positions and/or operations of the at least one work implement are retrieved from data storage, corresponding to the determined travel mode. Feedback signals are received from sensors corresponding to respective current positions and/or operations of the at least one implement, and in some embodiments to a vehicle speed. Control signals are generated for automatically controlling the at least one work implement to the respective predetermined target positions and/or through the respective operations, responsive to the determined travel mode and the received feedback signals. 1. A method of stability control for a self-propelled work vehicle comprising a plurality of ground engaging units and at least one work implement configured for controllably working terrain , the method comprising:retrieving from data storage at least respective predetermined target positions and/or operations of the at least one work implement, corresponding to a determined travel mode for the self-propelled work vehicle;receiving feedback signals from one or more sensors corresponding to respective current positions and/or operations of the at least one implement; andgenerating one or more control signals for automatically controlling the at least one work implement to the respective predetermined target positions and/or through the respective operations, responsive to the determined travel mode and the received feedback signals.2. The method of claim 1 , wherein the travel mode is determined in accordance with manual user selection from among a plurality of travel modes via a user interface.3. The method of claim 2 , further comprising receiving ...

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Номер записи: 76
30-04-2020 дата публикации

CONTROL SYSTEM FOR WORK VEHICLE, METHOD, AND WORK VEHICLE

Номер: US20200131740A1
Автор: HASHIMOTO Kazuhiro
Принадлежит:

A control system for a work vehicle includes a controller. The controller acquires actual topography data indicating an actual topography to be worked. The controller determines a target design topography indicating a target trajectory of a work implement based on the actual topography. The controller determines whether the actual topography is an upward gradient or a downward gradient based on the actual topography data. The controller changes the target design topography according to a result of determination of the gradient. 1. A control system for a work vehicle including a work implement , the control system comprising: acquire actual topography data indicating an actual topography to be worked,', 'determine a target design topography indicating a target trajectory of the work implement based on the actual topography,', 'determine whether the actual topography is an upward gradient or a download gradient based on the actual topography data, and', 'change the target design topography according to a result of determination of the gradient., 'a controller configured to'}2. The control system for a work vehicle according to claim 1 , wherein determine the target design topography by vertically displacing the actual topography, and', 'decrease a displacement amount of the target design topography from the actual topography upon determining that the actual topography is an upward gradient., 'the controller is further configured to'}3. The control system for a work vehicle according to claim 2 , whereinthe controller is further configured to decrease the displacement amount as an inclination of the upward gradient is steeper.4. The control system for a work vehicle according to claim 1 , wherein determine the target design topography by vertically displacing the actual topography, and', 'increase a displacement amount of the target design topography from the actual topography upon determining that the actual topography is a downward gradient., 'the controller is ...

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Номер записи: 77
02-06-2016 дата публикации

WORK VEHICLE WITH ENHANCED IMPLEMENT POSITION CONTROL AND BI-DIRECTIONAL SELF-LEVELING FUNCTIONALITY

Номер: US20160153165A1
Автор: Gulati Navneet, Singh Aditya, Wu Duqiang
Принадлежит:

A method for automatically adjusting the position of an implement of a lift assembly may generally include receiving a signal indicative of a position and/or a movement parameter of loader arms of the lift assembly and receiving a signal indicative of a pressure of a hydraulic fluid supplied within the lift assembly. The method may also include calculating a first correction signal associated with adjusting the position of the implement, wherein the correction signal is calculated by inputting the position and/or the movement parameter and the fluid pressure into a control equation based on a model of the operational dynamics of the lift assembly. In addition, the method may include generating a valve command signal based at least in part on the correction signal and transmitting the valve command signal to a valve for maintaining the implement at a fixed orientation relative as the loader arms are being moved. 1. A method for automatically adjusting the position of an implement of a lift assembly for a work vehicle , the lift assembly comprising a pair of loader arms coupled to the implement , the method comprising:receiving, with a computing device, a signal indicative of at least one of a position or a movement parameter of the loader arms as the loader arms are being moved;receiving, with the computing device, a signal indicative of a fluid pressure of a hydraulic fluid supplied within the lift assembly;accessing, with the computing device, a control equation that is based at least partially on a model of operational dynamics associated with the lift assembly when moving the loader arms;calculating, with the computing device, a first correction signal associated with adjusting the position of the implement, the first correction signal being calculated at least partially by inputting the at least one of the position or the movement parameter and the fluid pressure into the control equation;generating, with the computing device, a valve command signal based at ...

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Номер записи: 78
15-09-2022 дата публикации

Systems and methods for guided maneuvering with wave-off alerts

Номер: US20220291691A1
Автор: Christopher J. Utter, Edward A. Branscombe
Принадлежит: Modular Mining Systems Inc

A system for a vehicle is provided herein that includes a position sensor configured to identify a location of the vehicle and a heading of the vehicle. A human-machine interface (HMI) is operatively coupled with the vehicle. A controller is in electronic communication with the position sensor and the HMI. The controller is configured to access one or more databases to identify a first location, a first heading, and a first speed for the vehicle, and to identify a first aggregate heading value and a first aggregate speed value associated with the first location; determine that either the heading or the speed of the vehicle is outside of acceptable ranges; and issue a wave-off alert to the HMI when the vehicle is outside of acceptable ranges.

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Номер записи: 79
23-05-2019 дата публикации

SYSTEM AND METHOD FOR MINING SITE PRODUCTION PLANNING

Номер: US20190153701A1
Автор: Gates Kevin Eugene
Принадлежит:

A system for mining site production planning includes a control system configured to specify a problem-solving technique and associated optimization problem for a mining site by setting production goals for each of loading tools, processors and production arcs of the mining site, sorting the production arcs in an order based on travel distances, and modifying the order of the sorted production arcs based on the production goals for each of the loading tools, processors and production arcs. In addition, target values are set for each of the loading tools, processors and production arcs according to the order of the sorted production arcs. The control system is further configured to solve the optimization problem to produce production values for each of the loading tools, processors and production arcs based on the target values. 1. A system for mining site production planning , including:a mining site including loading tools, processors and production arcs; and [ setting production goals for each of the loading tools, processors and production arcs;', 'sorting the production arcs in an order based on travel distances;', 'modifying the order of the sorted production arcs based on the production goals for each of the loading tools, processors and production arcs; and', 'setting target values for each of the loading tools, processors and production arcs according to the order of the sorted production arcs; and, 'specify a problem-solving technique and associated optimization problem for the mining site by, 'solve the optimization problem to produce production values for each of the loading tools, processors and production arcs based on the target values., 'a control system configured to2. The system of claim 1 , wherein the control system is further configured to determine route assignments for a plurality of mining machines based on the production values for each of the loading tools claim 1 , processors and production arcs.3. The system of claim 1 , wherein the ...

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Номер записи: 80
28-08-2014 дата публикации

SYSTEM FOR CONTROLLING LAND LEVELING WORK WHICH USES AN EXCAVATOR

Номер: US20140244118A1
Автор: Lee Chun-Han
Принадлежит: VOLVO CONSTRUCTION EQUIPMENT AB

A grading control system using an excavator is disclosed, which determines and controls an operation amount of an attachment by combining an estimated pose of the attachment and an operator's operation signal of a joystick when a working mode for grading the ground is selected. The grading control system using an excavator includes an actuator connected to a hydraulic pump, an attachment driven by the actuator, a control valve shifted to drive the actuator, an electric joystick, a pressure detection means, a means for setting a working mode, and a controller, and repeatedly performs receiving a joystick operation signal value, a pressure value of an arm cylinder, and information on whether to set the working mode, calculating an external force that is applied to the attachment by the pressure value generated in the arm cylinder if a grading mode is selected, estimating a pose of the arm by the calculated external force value, performing a signal process by filtering the pose of the arm, and calculating operation amounts of a boom and the arm by combining the estimated pose of the arm and a control signal value according to an operator's operation of the joystick and proceeding to an initial stage. 1. A grading control system using an excavator comprising a variable displacement hydraulic pump , at least one hydraulic actuator connected to the hydraulic pump , an attachment including a boom and an arm driven by the actuator , a control valve installed in a flow path between the hydraulic pump and the actuator and shifted to drive the actuator , at least one electric joystick , a pressure detection means for detecting pressure generated in the actuator , a means for setting a working mode , and a controller outputting a control signal for shifting the control valve , the grading control system repeatedly performing:receiving a control signal value through an operation of the joystick, a pressure value of an arm cylinder detected by the pressure detection means, and ...

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Номер записи: 81
24-06-2021 дата публикации

POSITION-BASED CROSS SLOPE CONTROL OF CONSTRUCTION MACHINE

Номер: US20210189695A1
Автор: Ennis Nathan
Принадлежит:

Techniques for position-based cross slope control of a construction machine are disclosed. A site design that includes a set of target cross slopes for a construction site is obtained, with each of the set of target cross slopes associated with a 2D location within the construction site. Sensor data is captured using at least one sensor mounted to the construction machine. A geospatial position and a direction of travel of the construction machine are determined based on the sensor data. A target cross slope for the construction machine is generated by querying the site design using the geospatial position and the direction of travel. 1. A computer-implemented method comprising:obtaining a site design that includes a set of target cross slopes for a construction site, wherein each of the set of target cross slopes is associated with a two-dimensional (2D) location within the construction site;capturing sensor data using at least one sensor mounted to a construction machine, wherein the at least one sensor includes a position sensor;determining a geospatial position of the construction machine based on the sensor data captured by the one or more sensors;determining a direction of travel of the construction machine based on the sensor data captured by the one or more sensors; andgenerating a target cross slope for the construction machine by querying the site design using the geospatial position of the construction machine and the direction of travel of the construction machine.2. The method of claim 1 , wherein the geospatial position of the construction machine corresponds to a position of the position sensor.3. The method of claim 1 , wherein the geospatial position of the construction machine corresponds to a position of a blade of the construction machine.4. The method of claim 3 , further comprising:determining a plurality of sensor points of the construction machine based on the sensor data captured by the one or more sensors, wherein the plurality of sensor ...

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Номер записи: 82
14-06-2018 дата публикации

System and Method for Modifying a Material Movement Plan

Номер: US20180163376A1
Автор: Kyle EDWARDS, Michael Taylor, Mo Wei, Seth J. Redenbo, Troy K. Becicka
Принадлежит: Caterpillar Inc

A system for moving material with a work implement includes an image display device, an operator input device, and a position sensor. A controller is configured to determine a position of a work surface at a work site, display a portion of the work site on the image display device including an operational location at the work area, modify a position of the operational location on the image display device with the operator input device to define a modified operational location, generate a material movement plan based upon the position of the work surface and modified operational location, and generate command instructions to move the machine according to the material movement plan.

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Номер записи: 83
21-05-2020 дата публикации

CONTROL SYSTEM FOR WORK MACHINE, METHOD, AND WORK MACHINE

Номер: US20200157773A1
Автор: Kure Kazuki, TAKAOKA Yukihisa
Принадлежит:

A controller for a work machine acquires current topography data indicating a current topography to be worked. The controller determines a target design topography based on the current topography. The target design topography indicates a target trajectory of a work implement. The controller generates a command signal to operate the work implement to excavate the current topography according to the target design topography. The controller acquires excavated topography data indicating a current topography that has been excavated. The controller modifies the target design topography to move the target design topography upwardly based on the excavated current topography. 1. A control system for a work machine including a work implement , the control system comprising: acquire current topography data indicating a current topography,', 'determine a target design topography indicating a target trajectory of the work implement based on the current topography,', 'generate a command signal to operate the work implement to excavate the current topography according to the target design topography,', 'acquire excavated topography data indicating an excavated current topography, and', 'modify the target design topography to move the target design topography upwardly based on the excavated current topography., 'a controller configured to'}2. The control system for a work machine according to claim 1 , whereinthe excavated topography data indicates a depth of the excavated current topography, and determine whether a depth of the excavated current topography is shallower than the target design topography, and', 'modify the target design topography to move the target design topography upwardly when the depth of the excavated current topography is shallower than the target design topography., 'the controller is further configured to'}3. The control system for a work machine according to claim 2 , whereinthe controller is further configured to modify the target design topography to ...

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Номер записи: 84
21-05-2020 дата публикации

System and method for determining the mass of a payload moved by a working device

Номер: US20200157775A1
Автор: Renner Anton, Sawodny Oliver, WIND Hannes
Принадлежит:

The present invention relates to a system for determining the mass of a payload moved by a working device of a machine, comprising: 1. System for determining the mass of a payload moved by a working device of a machine , comprising:a lifting-gear element that is movable along a path and is designed to move the working device;a sensor system that is designed to provide a plurality of machine-status signals which indicate a status of the machine;a force sensor system that is designed to provide a lifting-force signal that indicates a force on the lifting-gear element; and to use system parameters for load determination that originate from pre-configured CAD data, preferably CAD data that has been pre-configured at the factory, and/or from continuous calibration of system parameters;', 'to carry out calibration using the pre-configured parameters as initialisation if unsatisfactory results are achieved;', 'to carry out the calibration in an unloaded state, i.e. when the working device is empty, with automatically predefined stimulation trajectories being used for the machine or instructions being provided to the operator for stimulating the parameters;', 'to log the system statuses using the sensors and to carry out a system identification of this information; and', 'to determine a mass of the payload on the basis of identified and/or pre-configured system parameters and system statuses, preferably on the basis of a position, a speed, an acceleration of the lifting-gear element and/or a force or torque on the lifting-gear element., 'a control device that is designed2. System according to claim 1 , wherein the control device is further designed to receive the machine-status signals from the working device while the working device is being moved on a multi-dimensional claim 1 , preferably three-dimensional track.3. System according to claim 1 , wherein the control device is further designed to use pre-configured system parameters on the basis of CAD data and/or to carry ...

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Номер записи: 85
01-07-2021 дата публикации

Method for the Automated Control of an Excavator

Номер: US20210198866A1
Автор: Liu Kai, SCHULZ Udo
Принадлежит:

A method for the automated control of an excavator having an excavator bucket, which is movably connected to the excavator by an arm includes, at the beginning, a semantic map having the coordinates of a ground to be changed is provided for the excavator and a material processing trajectory is provided for the excavator. The material processing trajectory is determined from the semantic map and comprises a starting point and a direction for the processing of the ground by the excavator bucket. Then the starting point is traveled to. Subsequently, a movement trajectory is calculated on the basis of the starting point by the semantic map and an excavator bucket trajectory is calculated by the semantic map. A work process is carried out in accordance with the material processing trajectory, the movement trajectory, and the excavator bucket trajectory, and in the end the semantic map is updated. 1. A method for the automated control of an excavator with an excavator bucket , which is movably connected to the excavator by an arm , comprising:providing a semantic map with coordinates of ground to be changed for the excavator;determining a material processing trajectory for the excavator from the semantic map, the material processing trajectory including a starting point and a direction for processing the ground by the excavator bucket;controlling a drive unit of the excavator for approaching the starting point;calculating a movement trajectory based on the starting point based on the semantic map;calculating an excavator bucket trajectory based on the semantic map;outputting a control signal to carry out a work process according to the material processing trajectory, the movement trajectory, and the excavator bucket trajectory; andupdating the semantic map.2. The method as claimed in claim 1 , further comprising:excavating at least part of the ground using the automated control of the excavator,wherein the material processing trajectory is a material removal trajectory ...

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Номер записи: 86
22-06-2017 дата публикации

IMPLEMENT CONTROL BASED ON NOISE VALUES

Номер: US20170175360A1
Автор: Chang Insu, Green Francisco R., Wray Albert A., Zhang Yanchai
Принадлежит: Caterpillar Trimble Control Technologies LLC

An earthmoving machine comprises a sensor, an implement, and control architecture comprising a controller and configured to facilitate movement in response to a signal indicative of a measured implement position and an implement control value comprising a gain value associated with implement speed. The controller is programmed to execute machine readable instructions to generate a noise value that is based on an error between the signal and a target signal, determine whether the noise value is acceptable to lock the gain value, adjust the gain value to control the implement speed when the noise value is unacceptable until the noise value is acceptable, and operate the machine based on the locked gain value. 1. An earthmoving machine comprising a machine chassis , a linkage mechanism , an earthmoving implement , an adaptive environmental sensor , and control architecture , wherein:the earthmoving implement is coupled to the machine chassis via the linkage mechanism;the control architecture is configured to facilitate movement of the earthmoving implement, the machine chassis, and the linkage mechanism in one or more degrees of freedom at least partially in response to an implement control value and an adaptive signal;the implement control value represents control of the movement of the earthmoving implement and comprises a gain value as a parameter thereof;the implement control gain value is associated with a speed of movement of the earthmoving implement;the adaptive signal is generated by the adaptive environmental sensor and is indicative of a measured position of the earthmoving implement relative to a given operational terrain; and generate a noise value that is based on an error between the adaptive signal and a target position signal indicative of a target position of the earthmoving implement,', 'determine whether the noise value is at an acceptable noise level or an unacceptable noise level,', 'lock the implement control gain value when the noise value is at ...

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Номер записи: 87
18-09-2014 дата публикации

AUTOMATED BLADE WITH LOAD MANAGEMENT CONTROL

Номер: US20140277966A1
Автор: Kelly Andrew Wayne
Принадлежит: Deere & Company

There is here disclosed an excavation machine having an automatic controlled excavation implement that adjusts the excavation implement to maximize the earth moved in accordance with vehicle operating parameters, and finished terrain parameters. 1. An excavation machine including:an excavation implement;at least one ground engaging traction device;an engine capable of providing an engine output to the at least one ground engaging traction device, the engine having an optimum efficiency range; anda controller configured to determine whether the engine is operating within the optimum efficiency range and to automatically control the position of the excavation implement based on the determination of whether the engine is operating within the optimum efficiency range.2. The excavation machine of claim 1 , further including a transmission configured to provide a torque force to the ground engaging traction device by transferring the engine output to the ground engaging traction device claim 1 , wherein the controller is configured to automatically control the torque force provided by the transmission to the at least one ground engaging traction device based on the determination of whether the engine is operating within the optimum efficiency range.3. The excavation machine of claim 2 , wherein the controller responds to a slippage of the at least one ground engaging traction device by adjusting the transmission to a lower gear setting.4. The excavation machine of claim 1 , wherein the controller is configured to automatically control the engine output based on the determination of whether the engine is operating within the optimum efficiency range.5. The excavation machine of claim 4 , wherein the controller responds to a slippage of the at least one ground engaging traction device by increasing a torque of the engine output.6. The excavation machine of claim 1 , wherein the controller lowers the excavation implement when the controller determines that the engine is ...

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Номер записи: 88
06-07-2017 дата публикации

EXCAVATION SYSTEM HAVING INTER-MACHINE MONITORING AND CONTROL

Номер: US20170191246A1
Автор: Brandt Michael Edward, FRIEND Paul Russell, Humphrey James D., RYAN James William, Stratton Kenneth L.
Принадлежит: CATERPILLAR INC.

An excavation system is disclosed for use with an excavation machine having a work tool and with an IPCC. The excavation system may have a location device configured to generate a first signal indicative of a location of the excavation machine, a display, and at least one controller in communication with the location device and the display. The controller may be configured to receive a second signal indicative of a location of the IPCC, and to cause representations of the excavation machine and the IPCC to be simultaneously shown on the display based on the first and second signals. The at least one controller may also be configured to determine a swing radius of the work tool, and to selectively cause an indication of alignment between the IPCC and the swing radius to be shown on the display based on the first signal, the second signal, and the swing radius. 1. An excavation system for use with an excavation machine having a work tool and with an IPCC , the excavation system comprising:a location device mountable onboard the excavation machine and configured to generate a first signal indicative of a location of the excavation machine;a display; and receive a second signal indicative of a location of the IPCC;', 'cause representations of the excavation machine and the IPCC to be simultaneously shown on the display based on the first and second signals;', 'determine a swing radius of the work tool; and', 'selectively cause an indication of alignment between the IPCC and the swing radius to be shown on the display based on the first signal, the second signal, and the swing radius., 'at least one controller in communication with the location device and the display, the at least one controller being configured to2. The excavation system of claim 1 , wherein the at least one controller is further configured to:receive a desired loading position on the swing radius for the IPCC; andselectively cause an indication of alignment between the IPCC and the desired loading ...

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Номер записи: 89
11-06-2020 дата публикации

System for machine and implement control

Номер: US20200181885A1
Автор: Peter Mollick
Принадлежит: Individual

A system for controlling the position of a rigidly attached side-shifting-implement mounted on a mobile machinery while simultaneously controlling the position of the mobile machinery allowing the side-shifting-implement and the mobile machinery to follow a predetermined or adjustable path. The system applies to three-point attachments as well as rack and rail attachments. The system uses a controller to control the position of the side-shifting-implement using information received from a position monitoring system communication with a roving receiver mounted on the side-shifting-implement. The controller also controls the position of the mobile machinery using local relationship sensors mounted on the side-shifting-implement and on the mobile machinery. The relationship sensors allow the controller to use one roving data receiver instead of two roving data receivers to control both the position of the side shifting implement and the position of the mobile machinery.

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Номер записи: 90
14-07-2016 дата публикации

Systems and Methods for Constrained Dozing

Номер: US20160201298A1
Автор: Edara Thandara K., Felty Timothy J., Taylor Michael A., Wei Mo
Принадлежит:

A computer-implemented method for determining an implement path for a machine implement at a worksite is provided. The computer-implemented method may include identifying a work surface and a pass target of the worksite, defining a loading profile based on one or more curves constrained to the work surface and the pass target, defining a carry profile based on the loading profile and the pass target, and designating the loading profile and the carry profile as the implement path. 1. A computer-implemented method for determining an implement path for a machine implement at a worksite , comprising:identifying a work surface and a pass target of the worksite;defining a loading profile based on one or more curves constrained to the work surface and the pass target;defining a carry profile based on the loading profile and the pass target; anddesignating the loading profile and the carry profile as the implement path.2. The computer-implemented method of claim 1 , wherein one or more of the curves of the loading profile are based on a half-Gaussian curve.3. The computer-implemented method of claim 1 , wherein the loading profile is constrained to be tangent to the adjacent work surface at a start point thereof claim 1 , and tangent to the adjacent pass target at an end point thereof.4. The computer-implemented method of claim 1 , wherein a general slope of the loading profile is maintained below a predefined maximum threshold.5. The computer-implemented method of claim 1 , wherein a general slope of the loading profile is adjusted using a load extent value if the slope exceeds a predefined maximum threshold.6. The computer-implemented method of claim 1 , wherein the machine implement is a blade and the implement path corresponds to a blade path claim 1 , the computer-implemented method further engaging control of the blade using the blade path as a lower-bound.7. The computer-implemented method of claim 6 , further enabling sensor-based control of the blade along the ...

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Номер записи: 91
27-06-2019 дата публикации

CONTROL SYSTEM FOR WORK VEHICLE, CONTROL METHOD, AND WORK VEHICLE

Номер: US20190194912A1
Автор: INAMARU Akifumi, ISHIBASHI Eiji, KAWANO Toshihiro, KOGAWA Yosuke, Shimojo Takahiro, YONEZAWA Yasuhito
Принадлежит:

A control system for a work vehicle includes a controller. The controller receives actual topography information of a work target. The controller determines a design surface that is positioned below the actual topography. The controller generates a command signal to move the work implement along the design surface. The controller determines if slip of the work vehicle has occurred. The controller raises the design surface when the blade tip of the work implement is positioned below an initial target surface when the slip occurs. The initial target surface is the design surface before the occurrence of the slip. 1. A control system for a work vehicle including a work implement , the control system comprising: receive actual topography information indicating an actual topography of a work target,', 'determine a design surface positioned below the actual topography,', 'generate a command signal to move the work implement along the design surface,', 'determine if slip of the work vehicle has occurred, and', 'raise the design surface when a blade tip of the work implement when the slip occurred is positioned below an initial target surface, the initial target surface being the design surface before the occurrence of the slip., 'a controller programmed to'}2. The control system for a work vehicle according to claim 1 , whereinthe controller is further programmed to raise the design surface at a predetermined speed.3. The control system for a work vehicle according to claim 1 , whereinthe controller is further programmed to set the design surface to a blade tip position of the work implement at a point in time that the work vehicle emerged from the slip upon determining that the work vehicle has emerged from the slip.4. The control system for a work vehicle according to claim 3 , whereinthe controller is further programmed set the design surface to not go above the actual topography.5. The control system for a work vehicle according to claim 3 , wherein [ a height of the ...

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Номер записи: 92
20-07-2017 дата публикации

Automatic Depth and Traction Control for Ripping Machines

Номер: US20170204588A1
Автор: Bradley KRONE, Joseph Faivre, Steven R. Krause
Принадлежит: Caterpillar Inc

A system and method of controlling a ripping operation is disclosed. The method includes lowering a ripper of a machine to a depth under a work surface. The method determines when a drawbar pull of the machine is at a drawbar pull target for the machine. When the drawbar pull is greater than the drawbar pull target, reducing power source torque of the machine from a first power source torque to a second power source torque.

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Номер записи: 93
25-06-2020 дата публикации

Control system for work vehicle, method, and work vehicle

Номер: US20200199844A1
Автор: Eiji Ishibashi, Junji Harada
Принадлежит: KOMATSU LTD

A work vehicle includes a work implement. A control system for the work vehicle includes an operating device and a controller. The operating device outputs an operation signal indicative of an operation by an operator. The controller communicates with the operating device and controls the work implement. The controller determines a first target design topography. The controller generates a command signal to operate a work implement in accordance with the first target design topography. The controller obtains a displacement amount of the work implement with respect to the first target design topography upon receiving the operation signal indicative of the operation of the work implement during work in accordance with the first target design topography. The controller determines a second target design topography based on the displacement amount. The controller generates a command signal to operate the work implement in accordance with the second target design topography.

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Номер записи: 94
12-08-2021 дата публикации

System and Method of Autonomously Clearing a Windrow

Номер: US20210246636A1
Автор: Li Yongtao, Liu Yang, Mathew Shawn N.
Принадлежит: CATERPILLAR INC.

A controller-implemented method for automated control of at least one of an autonomous or semiautonomous machine to clear at least one windrow along a work surface. The method includes utilizing a visual perception sensor to detect said windrow, generating a plurality of windrow visual detection signals, determining a position of a windrow relative to the machine based upon the plurality of windrow visual detection signals, and generating machine control commands to clear the windrow. 1. A method for autonomously clearing a windrow along a work surface of a machine , the method comprising:detecting the windrow via a visual perception sensor coupled to a controller, the visual perception sensor being adapted to provide three-dimensional data;generating, via the controller, a plurality of windrow visual detection signals;determining a position of the windrow relative to the machine based on the plurality of windrow visual detection signals; andgenerating, via the controller, a plurality of machine control commands to clear the windrow.2. The method of claim 1 , wherein said machine is a substantially autonomous machine and wherein utilizing a visual perception sensor comprises utilizing at least one of a stereo camera claim 1 , a three-dimensional camera claim 1 , and a LiDAR sensor coupled to the machine.3. The method of claim 1 , wherein the visual perception sensor is further adapted to provide two-dimensional data.4. The method of claim 1 , wherein generating machine control commands comprises generating at least one steering command.5. The method of claim 4 , wherein generating machine control commands further comprises generating at least one propulsion command.6. The method of claim 4 , wherein generating machine control commands further comprises generating at least one implement control command.7. The method of wherein generating machine control commands further comprises generating at least one propulsion command.8. The method of claim 1 , wherein ...

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Номер записи: 95
10-08-2017 дата публикации

FORCE-BASED WORK VEHICLE BLADE PITCH CONTROL

Номер: US20170226717A1
Автор: Cherney Mark J.
Принадлежит:

A system and method for automatically adjusting blade pitch in crawler dozers, motor graders, and other bladed work vehicles includes estimating a current tractive force of the work vehicle utilizing one or more controllers that establish whether the current tractive force of the work vehicle can be reduced by rotating the blade to an optimized pitch angle. A command is transmitted from the one or more controllers to a blade actuation system to rotate the blade to the optimized pitch angle. The method may be performed iteratively to repeatedly adjust the blade pitch to optimized angles as the work vehicle operates and conditions affecting the optimal blade pitch angle vary. 1. A method for automatically adjusting blade pitch in a bladed work vehicle including a blade , a blade actuation system coupled to the blade , and one or more controllers coupled to the blade actuation system , the method comprising:estimating, by the one or more controllers, a current tractive force of the work vehicle;establishing, by the one or more controllers, whether the current tractive force of the work vehicle can be reduced by rotating the blade to an optimized pitch angle; andwhen establishing that the current tractive force of the work vehicle can be reduced by rotating the blade to an optimized pitch angle, transmitting a command from the one or more controllers to the blade actuation system to rotate the blade to the optimized pitch angle.2. The method of claim 1 , wherein establishing comprises:establishing, by the one or more controllers, an expected tractive force of the work vehicle; anddetermining, by the one or more controllers, that the current tractive force of the work vehicle can be reduced by rotating the blade to an optimized pitch angle when the current tractive force of the work vehicle exceeds the expected tractive force of the work vehicle by at least a minimum differential.3. The method of claim 2 , wherein determining further comprises determining claim 2 , by ...

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Номер записи: 96
18-07-2019 дата публикации

CONTROL SYSTEM FOR WORK VEHICLE, AND METHOD FOR SETTING TRAJECTORY OF WORK IMPLEMENT

Номер: US20190218747A1
Автор: HASHIMOTO Kazuhiro
Принадлежит:

A control system for a work vehicle includes a controller. The controller decides a target profile of a work site. The controller generates a command signal to move a work implement according to the target profile. The controller acquires the load to which the work vehicle is subjected. The controller modifies the target profile according to the magnitude of the load. The controller generates a command signal to operate the work implement according to the modified target profile. 1. A control system for a work vehicle including a work implement , the control system comprising: decide a target profile of a work site,', 'generate a command signal to move the work implement according to the target profile,', 'acquire a load to which the work vehicle is subjected,', 'modify the target profile according to a magnitude of the load, and', 'generate a command signal to operate the work implement according to the modified target profile., 'a controller programmed to'}2. The control system for a work vehicle according to claim 1 , wherein acquire current position data that indicates a current position of the work vehicle,', 'acquire current terrain data that indicates a current terrain of the work site,', 'acquire an amount of movement of the work vehicle from a work start position from the current position data,', 'decide a target displacement from the amount of movement by referring to target displacement data that indicates the target displacement corresponding to the amount of movement,', 'decide a target design terrain in which the current terrain is displaced vertically by the target displacement, and', 'set the target design terrain as the target profile., 'the controller is further programmed to'}3. The control system for a work vehicle according to claim 2 , whereinthe controller is further programmed to modify the target profile by modifying the target displacement data according to the magnitude of the load.4. The control system for a work vehicle according to ...

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Номер записи: 97
19-08-2021 дата публикации

BLADE CONTROL DEVICE FOR WORK MACHINE

Номер: US20210254313A1
Автор: Kamimura Yusuke, Maekawa Satoshi, NODA Daisuke, SUGANO Naoki, UEMURA Shohei
Принадлежит:

In a blade control device, in a case where an update condition set in advance is satisfied, a virtual design surface setting part sets a virtual design surface, using a blade position when the update condition is satisfied as a reference, at an angle equivalent to a vehicle body angle, and a blade operation control part restricts raising and lowering operation of a blade such that the blade conducts the raising and lowering operation above the virtual design surface. 1. A blade control device which is provided in a work machine including a machine body having a travelling device and a vehicle body supported by the travelling device and a blade attached to the machine body so as to be raised and lowered and which controls raising and lowering operation of the blade , the blade control device comprising:a target design surface setting part which sets a target design surface that specifies a target shape of an object to be dug by the blade;a position information acquiring part which acquires position information related to the work machine;a blade position calculating part which calculates a blade position as a position of the blade on the basis of the position information acquired by the position information acquiring part;a virtual design surface setting part which sets a virtual design surface above the target design surface; anda blade operation control part which controls the raising and lowering operation of the blade,whereinin a case where an update condition set in advance is satisfied, the virtual design surface setting part sets the virtual design surface, using the blade position when the update condition is satisfied as a reference, at an angle equivalent to a vehicle body angle as an angle of inclination of the vehicle body with respect to a horizontal surface, the angle of inclination being obtained on the basis of the position information, andthe blade operation control part restricts the raising and lowering operation of the blade such that the blade ...

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Номер записи: 98
17-08-2017 дата публикации

SYSTEM AND METHOD FOR IN-PIT CRUSHING AND CONVEYING OPERATIONS

Номер: US20170233984A1
Автор: Friend Paul R., Humphrey James D., Ryan James W.
Принадлежит: CATERPILLAR INC.

A control system implemented for in-pit crushing and conveying (IPCC) operations employing a shovel machine and a crusher machine is provided. The shovel machine includes an implement configured to excavate a material from a worksite and load the material into a hopper of the crusher machine. The control system includes a position determination module, an excavation determination module, and a path determination module. The path determination module is configured to determine one or more travel paths, with a plurality of loading positions, for the shovel machine and the crusher machine. The plurality of loading positions is based at least in part on the relative position of the shovel machine and the crusher machine and a plurality of excavation positions, such that at each of the plurality of loading positions, the implement traverses an arc passing above the hopper. 1. A control system implemented for in-pit crushing and conveying (IPCC) operations employing a shovel machine and a crusher machine , the shovel machine having an implement configured to excavate a material from a worksite and load the material into a hopper of the crusher machine , the control system comprising:a position determination module configured to determine a relative position of the shovel machine and the crusher machine;an excavation determination module configured to determine a plurality of excavation positions for the shovel machine, wherein the implement excavates the material from the worksite when the shovel machine is at one of the plurality of excavation positions; anda path determination module configured to determine one or more travel paths, with a plurality of loading positions, for the shovel machine and the crusher machine, the plurality of loading positions based at least in part on the relative position of the shovel machine and the crusher machine and the plurality of excavation positions, such that at each of the plurality of loading positions the implement traverses an ...

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Номер записи: 99
23-07-2020 дата публикации

WORK-TOOL GUIDANCE SYSTEM FOR A WORK VEHICLE

Номер: US20200232191A1
Автор: Prior Alex W.
Принадлежит:

A guidance system for a work vehicle is provided. In one example, the guidance system includes indicator lights positioned on control levers of the work vehicle and a position sensor for detecting various positions of a work tool coupled to the work vehicle. The guidance system can receive sensor signals from the position sensor and responsively activate (i) one indicator light when the work tool is positioned adjacent to a target horizontal position and (ii) another indicator light when the work tool is positioned at the target horizontal position. 1. A guidance system comprising:a position sensor configured to detect a position of a work tool coupled to a work vehicle; a first indicator light on a left control handle of the plurality of control levers;', 'a third indicator light on a right control handle among the plurality of control levers; and', 'a second indicator light positioned horizontally on the control levers between the first indicator light and the third indicator light;, 'a plurality of indicator lights positionable on a plurality of control levers in a cab of the work vehicle, wherein the plurality of indicator lights includea processing device communicatively coupled to the position sensor and the plurality of indicator lights; anda memory device that includes instructions executable by the processing device for causing the processing device to receive sensor signals from the position sensor indicating that the work tool is at various positions in a horizontal plane and responsively activate (i) the first indicator light based on determining that the work tool is positioned left of a target horizontal position in the horizontal plane, (ii) the second indicator light based on determining that the work tool is positioned at the target horizontal position, and (iii) the third indicator light based on determining that the work tool is positioned right of the target horizontal position.2. The guidance system of claim 1 , wherein the work vehicle is an ...

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Номер записи: 100