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Небесная энциклопедия

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

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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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 6930. Отображено 100.
27-08-2011 дата публикации

Воздухораспределитель для автоматически действующих пневматических тормозов

Номер: RU0000107737U1

1. Воздухораспределитель для автоматически действующих пневматических тормозов для создания давления в тормозном цилиндре по меньшей мере в одном подключенном тормозном цилиндре (4) в зависимости от разницы в давлении между давлением в подключенной основной воздушной магистрали (L) поезда и сохраненным эталонным давлением (А), состоящий из главной части (1), магистральной части (2) и опоры (3), с каналом (KZE) для дополнительного выпуска воздуха от магистральной части через опору к главной части, при этом главная часть (1) содержит следующие детали: ! - управляющий поршень (7) с поршневым штоком (16), на который, с одной стороны, воздействует эталонное давление (А), а с другой стороны, - управляющее давление (S) и по меньшей мере одна нажимная пружина (13), а также ! - уравнительный поршень (8), на который воздействует давление (С) тормозного цилиндра (4), противодействующее по меньшей мере одной нажимной пружине (20), и ! - двухседельный клапан (10), в котором в результате приближения управляющего поршня (7) за счет поршневого штока (16) открывается впускной клапан (103), а за счет его удаления - выпускной клапан (101), при этом впускной клапан (103) находится на пути перемещения воздуха из запасного воздушного резервуара (5) по направлению к тормозному цилиндру (4), а выпускной клапан (101) - на пути перемещения воздуха от тормозного цилиндра (4) к окружающей среде (О), ! отличающийся тем, что ! главная часть (1) содержит клапан (11), состоящий из корпуса (111) клапана, нажимной пружины (112) и седла (113) клапана, при этом на корпусе (111) клапана и седле (113) клапана противоположно расположены камеры давления, которые связаны с каналом (KZE) для дополнительного выпуска во� РОССИЙСКАЯ ФЕДЕРАЦИЯ (19) RU (11) 107 737 (13) U1 (51) МПК B60T 15/18 B60T 13/26 (2006.01) (2006.01) ФЕДЕРАЛЬНАЯ СЛУЖБА ПО ИНТЕЛЛЕКТУАЛЬНОЙ СОБСТВЕННОСТИ, ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ (12) ТИТУЛЬНЫЙ ЛИСТ ОПИСАНИЯ ПОЛЕЗНОЙ МОДЕЛИ К ПАТЕНТУ (21)(22) Заявка: 2011105319/11, 15.02.2011 (24) Дата ...

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26-01-2012 дата публикации

Brake system and method

Номер: US20120022757A1
Принадлежит: Hon Hai Precision Industry Co Ltd

A brake system and method includes adjusting an electronic apparatus on a bracket of a bicycle to be in a horizontal state. If the bicycle is downsloped and a gradient value of the electronic apparatus exceeds or equals a predetermined gradient value, a brake operation of the bicycle is detected. If the brake operation is improper, a brake command is sent to a brake device of the brake system, and brake cables of a front wheel and/or a rear wheel of the bicycle are controlled by the brake device according to the brake command.

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11-10-2012 дата публикации

System and method for aircraft braking system usage monitoring

Номер: US20120259500A1
Автор: Garrett H. DeVlieg
Принадлежит: Hydro Aire Inc

The system and method for monitoring wear of one or more aircraft parts, such as an aircraft brake, an aircraft tire, a standby system, and landing gear, utilize one or more sensors to sense a parameter of usage, and an estimate of usage of the part can be determined based upon the signal indicating the sensed value of the parameter of usage of the aircraft part. A plurality of sensors can be provided for sensing usage of a plurality of parts of the aircraft, and the estimate of usage of the part can be stored for access of the estimate by ground personnel.

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01-11-2012 дата публикации

Method and device of calculating aircraft braking friction and other relating landing performance parameters based on the data received from aircraft's on board flight data management system

Номер: US20120277937A1
Автор: Zoltán Iván Radó
Принадлежит: Aviation Safety Technologies LLC

This invention relates to a method and apparatus for the calculation of aircraft braking friction and other relating landing parameters, including but not limited to aircraft braking action, aircraft takeoff distance, aircraft landing distance, runway surface conditions and runway surface friction based on the data collected by and available in the aircraft Flight Data Recorder (FDR) or other flight data management system, for example, the Quick Access Recorder (QAR), to provide all involved personnel in the ground operations of an airport and airline operations, including but not limited to aircraft pilots, airline operation officers and airline managers as well as airport operators, managers and maintenance crews, with the most accurate and most recent information on the true aircraft landing performance parameters to help better and more accurate safety and economical decision making.

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08-11-2012 дата публикации

Load Sensor for a Vehicle Electronic Stability System

Номер: US20120283918A1
Автор: Mario Dagenais
Принадлежит: BOMBARDIER RECREATIONAL PRODUCTS INC

A vehicle comprising a seat defining a driver seat portion and a passenger seat portion, an electronic stability system, adapted to receive inputs from a load sensor, a wheel rotation sensor and a lateral acceleration sensor, the electronic stability system adapted to provide outputs to at least one of the brake system for braking the vehicle, and the engine control unit to change the power output transmitted to the wheels by the engine, the electronic stability system using a first calibration to determine the outputs when the load sensor is in a non-loaded state and a second calibration to determine the outputs when the load sensor is in a loaded state.

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22-11-2012 дата публикации

Method for controlling the deceleration on the ground of a vehicle

Номер: US20120296498A1
Принадлежит: AIRBUS OPERATIONS SAS

The invention relates to a method for controlling the deceleration on the ground of a vehicle. The method obtains, from the crew of the vehicle or from an outside operator, parameters relating to its current position and its current speed. Then it determines a reference position and speed of the vehicle, the reference position being a theoretical position to be reached by the vehicle. Finally it determines, from indicated parameters and from reference parameters, a deceleration command with a view to ending up at a target position at a preselected speed.

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10-01-2013 дата публикации

Brake device for saddled vehicle

Номер: US20130009378A1
Принадлежит: Honda Motor Co Ltd

A braking device of a saddle-ride type vehicle that can reduce a load acting on a joint is provided. A joint 200 at a front-wheel brake output side which connects a metal pipe and a flexible brake hose is mounted on a body frame 2 via a mount rubber 260 under a floating state.

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10-01-2013 дата публикации

Systems and methods for monitoring and controlling tractor/trailer vehicle systems

Номер: US20130013149A1
Принадлежит: Power Talk Inc

A status of one or more subsystems positioned on one or more trailers is communicated to a tractor electrically and mechanically connected to the trailer. A spread spectrum data communications signal representing the status of a respective subsystem is superposed on the power bus. The status of the respective subsystem can then be determined from the spread spectrum data communications signal. Preferably, the status of the subsystem is indicated to an operator positioned on the tractor. A command for controlling a subsystem on a trailer can also be communicated from the tractor to the trailer over the power bus. A spread spectrum data communications signal representing the command is produced on the power bus, and the subsystem is controlled based on the spread spectrum data communications signal. Preferably, the command is received from an operator positioned in the tractor.

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17-01-2013 дата публикации

Brake hydraulic control method and system

Номер: US20130018561A1
Автор: Shunsaku Ono
Принадлежит: Bosch Corp

A brake control method for a hydraulic brake device equipped with an actuator that automatically regulates braking liquid pressure in a wheel cylinder of a vehicle without driver intervention. The method includes: (a) calculating a time period in which holding or decreasing brake hydraulic pressure is continuously performed to the wheel cylinder; and (b) controlling the actuator such that, an increasing pressure and decreasing pressure to the wheel cylinder after the calculated time period has reached a predetermined time, the amount of the pressure increase and the amount of the pressure decrease are the same.

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20-06-2013 дата публикации

Motor vehicle combination and method for operating

Номер: US20130158740A1
Принадлежит: GM GLOBAL TECHNOLOGY OPERATIONS LLC

A motor vehicle combination is provided. The motor vehicle combination includes a towing vehicle. The towing vehicle is embodied as passenger car. In addition, the motor vehicle combination includes at least one trailer. The at least one trailer can be mechanically connected to the towing vehicle. In addition, the motor vehicle combination comprises a bidirectional communication unit, which is designed for exchanging data between the towing vehicle and the at least one trailer.

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26-09-2013 дата публикации

Electromechanical braking system for an aircraft

Номер: US20130253736A1
Автор: DAVID Frank
Принадлежит: Messier Bugatti Dowty SA

The invention relates to an aircraft braking system having brakes with electromechanical braking actuators (103) adapted to press selectively against associated stacks of disks in order to generate a braking torque on associated wheels of the aircraft; at least one control module (130) receiving braking setpoints and responding by generating a braking command (121); and at least one power module (120) responding to the braking command by delivering AC power to the motors of actuators connected to the power module so that the motors develop a braking force corresponding to the braking setpoints. According to the invention, the control module includes a digital processor stage (131) and an analog processor unit (135).

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03-10-2013 дата публикации

Motion stabilizer for tractor

Номер: US20130261840A1
Принадлежит: Honda Motor Co Ltd, Nissin Kogyo Co Ltd

A pendular motion determination unit of a motion stabilizer for a tractor includes a parameter computation unit configured to compute a determination parameter PA indicative of a quantity of change in an actual yaw rate Y, a threshold value setting unit configured to compute a threshold value PAth for the determination parameter PA, and a determination unit configured to determine that a pendular motion caused by swaying motion of a trailer is imparted, if the determination parameter PA is greater than the threshold value PAth. At least one of PAth and PA is changed based upon a correlation of a value related to a lateral acceleration based yaw rate Yg with a value related to the standard yaw rate Ys and a correlation of a value related to the actual yaw rate Y with a value related to the standard yaw rate Ys.

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03-10-2013 дата публикации

Brake pressure computing apparatus, brake control system, and non-transitory computer-readable memory medium

Номер: US20130261857A1
Автор: Etsuji Matsuyama
Принадлежит: Mitsubishi Electric Corp

A brake pressure computing apparatus acquires a target cylinder pressure which is a target value of the pressure inside the brake cylinder of an air brake, and is equipped with a target cylinder pressure acquirer, a deceleration differential information acquirer, and a target cylinder pressure correction value acquirer. The target cylinder pressure acquirer acquires a target cylinder pressure on the basis of a required braking force and a target cylinder pressure correction value. The deceleration differential information acquirer acquires deceleration differential information indicating the difference between the target value of the deceleration and the actual value of the deceleration. The target cylinder pressure correction value acquirer acquires the target cylinder pressure correction value on the basis of the deceleration differential information.

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24-10-2013 дата публикации

BRAKE SYSTEM AND BRAKE CONTROL METHOD

Номер: US20130282253A1
Принадлежит: BOSCH CORPORATION

It is an object of the present invention to control unstable behavior of a vehicle body that arises when braking during turning. 1. A brake control method for when a two-wheeled motor vehicle is turning , the brake control method comprising:judging whether or not the two-wheeled motor vehicle is turning;calculating a maximum braking force with which slipping of a front wheel will not arise and updating, on the basis of the calculation result, a stored maximum braking force for the front wheel;calculating a maximum braking force with which slipping of a rear wheel will not arise and updating, on the basis of the calculation result, a stored maximum braking force for the rear wheel;limiting the braking forces on the front wheel and the rear wheel to predetermined percentages of the corresponding maximum braking forces in a case where there has been a brake operation by a driver during turning; andbringing the braking forces on the front wheel and the rear wheel that have been limited closer to the corresponding updated maximum braking forces.2. The brake control method according to claim 1 , wherein the maximum braking force for the front wheel or the rear wheel is calculated on the basis of the force in the lateral direction acting on the two-wheeled motor vehicle during turning.3. The brake control method according to claim 1 , wherein the maximum braking force for the front wheel or the rear wheel is calculated on the basis of the speed claim 1 , lean angle claim 1 , or each axle load of the two-wheeled motor vehicle.4. The brake control method according to claim 1 , wherein in the act of bringing the braking forces on the front wheel and the rear wheel that have been limited closer to the corresponding maximum braking forces claim 1 , the amount of rise of the braking forces on the front wheel and the rear wheel is gradually made larger.5. The brake control method according to claim 1 , wherein the limiting of the braking forces on the front wheel and the rear ...

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23-01-2014 дата публикации

METHOD AND DEVICE FOR STABILIZING THE RUNNING OF A SNAKING TRAILER

Номер: US20140025273A1
Принадлежит: Audi AG

In a method and apparatus for stabilizing running of a wobbling trailer towed by a vehicle, a tandem of trailer and vehicle is braked by a brake device activated by a control device. The braking process is triggered, when an amplitude of the oscillation of the trailer exceeds a predetermined value. As a result, the tandem is decelerated to a speed at which the amplitude of the oscillation of the trailer falls below a predetermined value. The tandem is decelerated more intensely in the case of a wobbling trailer and when travelling at a first travelling speed than in the case of a wobbling trailer and when travelling at a second travelling speed which is lower than the first travelling speed, and the tandem is braked in presence of the first driving speed during exceeding a lower value of the amplitude than in the presence of the second driving speed. 16.-. (canceled)7. A method of stabilizing a running of a wobbling trailer which is towed by a vehicle , comprising:automatically braking a tandem including the trailer and the vehicle when an amplitude of an oscillation of the trailer is above a predetermined value;decelerating the tandem to a speed at which the amplitude of the oscillation of the trailer is below a predetermined value;with the wobbling trailer and in presence of a first driving speed of the tandem, decelerating the tandem more than with the wobbling trailer and in presence of a second driving speed of the tandem, which is smaller than the first driving speed; andcarrying out the braking of the tandem in presence of the first driving speed at exceeding a lower value of the amplitude than in presence of the second driving speed.8. The method of claim 7 , further comprising terminating the braking process released in presence of the first driving speed at falling below a lower value of the amplitude than a braking process released in presence of the second driving speed.9. The method of claim 7 , further comprising performing for braking the tandem an ...

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06-02-2014 дата публикации

Rail Guided Vehicle System

Номер: US20140034786A1
Автор: Fujioka Shinji
Принадлежит: MURATA MACHINERY, LTD

In a rail guided vehicle system, unnecessary slowing down and stopping of a vehicle passing through a divergence point and a merge point is avoided. The rail guided vehicle system comprises a rail including a guidepath wire in a predetermined area including the divergence point and the merge point, and a plurality of vehicles that travel while being supported and guided by the rail. Each of the plurality of vehicles includes a generating unit configured to generate each of a plurality of signals each having different frequencies from the others, a transmitting unit configured to send each of the plurality of signals generated by the generating unit to the guidepath wire, a receiving unit configured to receive each of the plurality of signals transmitted via the guidepath wire, a determining unit configured to determine, based on the kind of the signal received by the receiving unit, whether the vehicle is slowed down, stopped, or kept travelling, and a controlling unit configured to control the vehicle in accordance with a result of a determination determined by the determining unit. 1. A rail guided vehicle system comprising a rail having a guidepath wire in a predetermined area including a divergence point and a merge point and a plurality of vehicles that travel while being supported and guided by the rail , each of the vehicles comprising:a generating unit configured to generate each of a plurality of signals each having different frequencies from the others;a transmitting unit configured to transmit each of the plurality of signals generated by the generating unit to the guidepath wire;a receiving unit configured to receive each of the plurality of signals transmitted via the guidepath wire;a determining unit configured to determine, based on a kind of the signal received by the receiving unit, whether the vehicle is to be slowed down, or stopped, or kept travelling; anda controlling unit configured to control the vehicle in accordance with a result of a ...

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13-02-2014 дата публикации

Integrated trailer brake control system and method using a learned relationship

Номер: US20140046565A1
Автор: Daniel Sigfus Maitlen
Принадлежит: ROBERT BOSCH GMBH

A trailer brake control method for a vehicle towing a trailer. The method may include determining a number (N) of vehicle operating points during a first braking event when the vehicle is not towing the trailer by determining N brake operating points; determining an acceleration operating point for each of the N brake operating points; and determining a first relationship between brake pressure and vehicle acceleration based on the N vehicle operating points. The method also includes determining a number (M) of vehicle operating points during a second braking event when the vehicle is towing the trailer; determining a current brake operating point; and determining a trailer brake command signal based on at least the first relationship, the M vehicle operating points, and the current brake operating point.

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13-02-2014 дата публикации

Integrated trailer brake control system and method for controlling a brake force

Номер: US20140046566A1
Автор: Daniel Sigfus Maitlen
Принадлежит: ROBERT BOSCH GMBH

A trailer brake control method that includes determining, based on information from a vehicle speed sensor, a current vehicle speed of a vehicle; and regardless of the current vehicle speed, determining, using a processing unit, a minimum trailer brake control value (MTBCV) based on the equation MTBCV=R1−Cth root(the current vehicle speed)/R2, wherein the minimum trailer brake control value corresponds to a minimum braking force at the current vehicle speed, R1 is a real number less than 1.0, C is an integer greater than 2, and R2 is a real number greater than 1.0. The method also includes determining, using the processing unit, a trailer brake command signal based on the minimum trailer brake control value; and operating brakes of a trailer connected to the vehicle at or above the minimum braking force by transmitting the trailer brake command signal from the vehicle to a trailer.

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20-03-2014 дата публикации

Trailer access point pairing

Номер: US20140081544A1
Автор: Matthew Fry

A trailer electronic braking system comprising a braking device capable of generating a braking force on a wheel on the trailer. The braking force is applied to the brake cylinders and is controllable by a braking ECU, which braking ECU is connected to a standards compliant communication bus on the trailer. The ECU is adapted to receive data inputs from sensors on the trailer. The system further includes an arrangement to interface to trailer electronics and a communications interface. In use, the arrangement transmits a request to the device for a driver to apply a predetermined condition to the trailer to enable control functions to be actuated from a remote device.

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10-04-2014 дата публикации

Electromechanical braking system architecture

Номер: US20140100719A1
Автор: Julien Thibault
Принадлежит: Messier Bugatti Dowty SA

The invention relates to a braking system architecture for an aircraft having wheels 1 braked by means of respective brakes 2, each brake having a plurality of electromechanical actuators 3 a, 3 b, the braking system having controllers 8 a, 8 b for distributing electric power Ps to the actuators 3 a, 3 b in response to a braking setpoint, each controller 8 a, 8 b being associated with some of the actuators of any given brake. According to the invention, each controller 8 a, 8 b has an input Ev for receiving information about the rotary speed of the wheel 1 braked by the actuators associated with said controller, the controller including processor means 13 for modulating the power transmitted to the actuators as a function of the speed of rotation of the wheel in order to provide anti-skid protection.

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07-01-2021 дата публикации

SELECTIVE BRAKING OF CARBON BRAKES TO IMPROVE LIFE

Номер: US20210001823A1
Принадлежит: GOODRICH CORPORATION

A method for active brake selection, in accordance with various embodiments is disclosed. The method comprises detecting an outbound taxiing event for an aircraft. The method further comprises determining whether an inboard or outboard brake has less wear than a respective inboard or outboard brake on a respective landing gear. The method may further comprise selecting an inboard or outboard brake to use during the outbound taxiing event. 1. A method for active brake selection , comprising:detecting, by a brake control unit (BCU), an outbound taxiing event in an aircraft;determining, by the BCU, a first inboard wear state of a left landing gear inboard brake and a first outboard wear state of a left landing gear outboard brake;selecting, by the BCU, the left landing gear inboard brake or the left landing gear outboard brake as a selected left landing gear brake for exclusive use during the outbound taxiing event;determining, by the BCU, a second inboard wear state of a right landing gear inboard brake and a second outboard wear state of a right landing gear outboard brake;selecting, by the BCU, at least one of the right landing gear inboard brake or the right landing gear outboard brake as a selected right landing gear brake for exclusive use during the outbound taxiing event.2. The method of claim 1 , further comprising:monitoring, by the BCU, a first temperature of the selected left landing gear brake and a second temperature of the selected right landing gear brake during the outbound taxiing event.3. The method of claim 2 , further comprising:alternating, by the BCU, the selected left landing gear brake to an unselected left landing gear brake if at least one of the first temperature exceeds a predetermined temperature threshold or the selected right landing gear brake to an unselected right landing gear brake if the second temperature exceeds the predetermined temperature threshold.4. The method of claim 1 , wherein the first inboard wear state claim 1 , the ...

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07-01-2021 дата публикации

Electropneumatic handbrake system for commercial vehicles with spring-loaded parking brakes

Номер: US20210001824A1
Принадлежит: WABCO Europe BVBA

An electropneumatic brake system, for a commercial vehicle which is provided for pulling a trailer, includes at least one service brake circuit configured to activate service brake actuators, a parking brake circuit having parking brake actuators on at least one axle, a trailer brake circuit configured to provide a trailer brake pressure at a trailer brake pressure port, and a manually actuatable operating unit in a driver's cab. The manually actuatable operating unit has a first operating element and a second operating element. In the case of actuation of the first operating element when the vehicle is driving, the parking brake actuators are activated and a trailer brake pressure is output at the trailer brake pressure port. In the case of actuation of the second operating element when the vehicle is driving, only a trailer brake pressure is output.

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07-01-2016 дата публикации

APPARATUS AND SYSTEM FOR POWER DISTRIBUTION TO BRAKE SYSTEMS

Номер: US20160001753A1
Принадлежит:

A low voltage DC power system for powering an aircraft brake actuator assembly. The brake actuator assembly may comprise an electric actuator motor system with a park brake and/or a hybrid electric hydraulic system with a park brake. The brake actuator assembly may also comprise a load cell and one or more sensors. The load cell and sensors may be configured to operate with low voltage DC power. Moreover, by employing a low voltage DC power system, the wiring of an aircraft brake system may be reduced and/or simplified. 1. (Proposed amended) A brake power distribution system , comprising:a control system;a park brake configured to receive power at a first voltage level from the control system via a first power line;a sensor configured to receive power at a second voltage level from the control system via a second power line; anda load cell configured to receive power at the second voltage level from the control system via the second power line, wherein the park brake, the sensor, and the load cell are configured to receive power via a single power line comprising the first power line and the second power line as at least one of a segment, junction, and portion of the single power line.2. The brake power distribution system of claim 1 , further comprising a conditioning circuit in electrical communication with the control system and configured to condition power from the control system to the first voltage level and the second voltage level.3. The brake power distribution system of claim 1 , wherein the park brake is configured to control hydraulic fluid.4. The brake power distribution system of claim 1 , wherein the park brake and the sensor are part of a brake actuator assembly.5. The brake power distribution system of claim 4 , wherein the conditioning circuit is a portion of at least one of the brake actuator assembly or the control system.6. The brake power distribution system of claim 1 , further comprising a fluid reservoir in fluid communication with the park ...

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02-01-2020 дата публикации

SYSTEM AND METHOD FOR BRAKING A TRACTOR-TRAILER ASSEMBLY

Номер: US20200001841A1
Принадлежит: CNH INDUSTRIAL AMERICA LLC

A system and method for braking a tractor-trailer assembly is provided. The method includes generating a tractor brake pressure for application to a tractor brake for braking a tractor wheel, determining a tractor brake rate based on one or more of the generated tractor brake pressure, one or more parameters of the tractor brake, one or more parameters of the tractor wheel, one or more parameters of a final drive, and a mass of the tractor, and determining a trailer brake pressure applied to a trailer brake of a trailer wheel of a trailer, based on the determined tractor brake rate. 1. A method for braking a tractor-trailer assembly , the method comprising:depressing a brake pedal of a tractor for generating a tractor brake pressure applied to a tractor brake for braking a tractor wheel, the tractor brake coupled to the tractor wheel via a final drive;determining, by an electronic control unit (ECU), a tractor brake rate based on one or more of the generated tractor brake pressure, one or more parameters of the tractor brake, one or more parameters of the tractor wheel, one or more parameters of the final drive, and a mass of the tractor; anddetermining, by the ECU, a trailer brake pressure applied to a trailer brake of a trailer wheel of a trailer for braking the trailer wheel based on the determined tractor brake rate.2. The method according to claim 1 , wherein the tractor brake comprises one or more brake frictional plates claim 1 , one or more steel plates claim 1 , and a brake piston claim 1 , and wherein determining the tractor brake rate further comprises:determining, by the ECU, a brake torque applied to the tractor brake based on a number of the one or more brake frictional plates, radii of the one or more brake frictional plates, an area of the piston, a coefficient of friction between the one or more brake frictional plates and the one or more steel plates, and the tractor brake pressure;determining, by the ECU, a wheel torque applied to the tractor ...

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03-01-2019 дата публикации

METHOD FOR CONTROLLING AND RECOVERING THE ADHESION OF THE WHEELS OF A CONTROLLED AXLE OF A RAILWAY VEHICLE

Номер: US20190001822A1
Автор: TIONE Roberto
Принадлежит:

The method comprises the steps of generating speed signals indicative of the angular speed of the wheels of said axle; generating an error signal indicative of the error or difference between a set point speed for the wheels, determined by means of a reference model, and the speed indicated by said speed signals; and generating a driving signal for torque-controlling apparatuses applied to the wheels of said axle, by adaptive filtering of an input signal which is a function of said set point speed, modifying parameters of the adaptive filtering as a function of said error signal, such as to make such speed error or difference tend to zero. 1. A method for controlling and possibly recovering the adhesion of the wheels of a controlled axle of a railway vehicle , comprising the steps ofgenerating speed signals indicative of the angular speed of the wheels of said axle;generating an error signal indicative of the error or difference between a reference speed for the wheels, determined by means of a reference model in response to an assigned set point speed and the speed indicated by said speed signals; andgenerating a driving signal for torque controlling means applied to the wheels of said axle, by adaptive filtering of an input signal which is a function of said set point speed modifying parameters of the adaptive filtering as a function of said error signal, such as to make said speed error or difference tend to zero.2. A method according to claim 1 , wherein said input signal is a signal representative of said set point speed.3. A method according to claim 1 , wherein said input signal is a signal representative of said speed error or difference.4. A method according to claim 1 , wherein said driving signal is generated by means of an adaptive filter having a FIR-type structure claim 1 , with a parallel integrator.5. A method according to claim 3 , wherein the signal provided by said integrator is subjected to adaptive calibration.6. A method according to claim 1 , ...

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02-01-2020 дата публикации

Braking System For a Dual Landing Gear Aircraft

Номер: US20200001984A1
Принадлежит: Boeing Co

A braking system for use with a dual landing gear aircraft. The braking system pairs outboard brake control into an outboard brake system control unit (BSCU) and inboard brake control into a second inboard brake system control unit (BSCU). Each BSCU is designed with two independent control lanes in which the forward wheel set is paired in one control lane and the aft wheels are paired onto the other. Alternate braking is provided via an alternate brake module installed in a fore-aft wheel pairing.

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03-01-2019 дата публикации

METHOD AND VEHICLE FOR ACTIVATING AN AUTONOMOUS BRAKING MANEUVER

Номер: US20190001941A1
Принадлежит: VOLVO CAR CORPORATION

Embodiments herein relate to a method performed by an autonomous vehicle for activating an autonomous braking maneuver of the autonomous vehicle having an autonomous drive system. The autonomous vehicle detects at least one user initiated request for an autonomous braking maneuver of the vehicle when the vehicle is in a first autonomous drive mode at a speed. The autonomous braking maneuver is at least one of: speed reduction or stop. When the request has been detected, the autonomous vehicle activates the autonomous braking maneuver of the vehicle which reduces the speed and/or brakes the vehicle to a stop. 1. A method performed by an autonomous vehicle for activating an autonomous braking maneuver of the vehicle , wherein the vehicle includes an autonomous drive system , the method comprising:detecting at least one user initiated request for an autonomous braking maneuver of the vehicle when the vehicle is in a first autonomous drive mode at a speed, wherein the autonomous braking maneuver is at least one of speed reduction or stop; andwhen the at least one user initiated request has been detected, activating the autonomous braking maneuver of the vehicle which reduces the speed and/or brakes the vehicle to a stop.2. The method according to wherein a first user initiated request activates the autonomous braking maneuver which reduces the speed claim 1 , andwherein a second user initiated request following the first user initiated request causes braking of the vehicle from the reduced speed to a stop.3. The method according to wherein the vehicle is in a second autonomous drive mode when the vehicle is driving at the reduced speed claim 1 , and wherein the method further comprises:when the vehicle is in the second autonomous drive mode and when the autonomous drive system is substantially fault free, requesting of a user whether the first autonomous drive mode of the vehicle should be resumed or if the second autonomous drive mode should be maintained;receiving a ...

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01-01-2015 дата публикации

APPARATUS AND METHOD TO DYNAMICALLY ADJUST ELECTRONIC BRAKING USING TPMS

Номер: US20150006051A1
Принадлежит:

The dynamic footprint of a tire is received and the dynamic footprint is determined by and received from a tire pressure monitoring (TPM) sensor. A weight or load of the secondary vehicle attached to the primary vehicle is calculated based at least in part on the footprint. Instructions to alter the operation of the braking system of the secondary vehicle based on the calculated weight or load are transmitted to the secondary vehicle. 1. A method of dynamically adjusting a braking system of a secondary vehicle being towed by a primary vehicle , the method comprising:receiving the dynamic footprint of a tire, the dynamic footprint being determined by and received from a tire pressure monitoring (TPM) sensor;calculating a weight or load of the secondary vehicle attached to the primary vehicle based at least in part on the footprint;transmitting instructions to alter the operation of the braking system of the secondary vehicle based on the calculated weight or load.2. The method of claim l further comprising making an adjustment to the braking system of the secondary vehicle.3. The method of wherein the adjustment is changing a voltage or current.4. The method of wherein the adjustment is opening or closing a valve in the braking system in the secondary vehicle.5. An electronic control unit (ECU) disposed in a primary vehicle and configured to communicate with a tire pressure monitoring (TPM) sensor in a secondary vehicle claim 2 , the ECU comprising:an interface;a receiver coupled to the interface, the receiver configured to receive the dynamic footprint of a tire, the dynamic footprint being determined by and received from the TPM sensor;a transmitter coupled to the interface;a processor coupled to the interface, the processor configured to calculating a weight or load of the secondary vehicle attached to the primary vehicle based at least in part on the footprint, the processor further configured to transmit instructions to a braking system via the transmitter, the ...

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12-01-2017 дата публикации

METHOD FOR CONTROLLING BRAKING FORCE OF BRAKE DEVICES FOR TWO-WHEELED VEHICLE, AND DEVICE FOR CONTROLLING BRAKING FORCE

Номер: US20170008500A1
Автор: Iwatsuki Junya
Принадлежит:

To provide braking-force control capable of suppressing a wheelie of a two-wheeled vehicle by changing braking-force distribution. 1. A method for controlling a braking force of a combined brake system for a two-wheeled vehicle , the method comprising:detecting or computing a lean angle of the two-wheeled vehicle; andchanging a braking-force distribution to front and rear brake devices when the lean angle exceeds a specified value.2. The method according to claim 1 , wherein the braking-force distribution to the front brake device is changed in accordance with the lean angle.3. The method according to claim 1 , wherein the braking-force distribution to the front brake device is decreased as the lean angle is increased.4. The method according to claim 1 , wherein a braking force of the rear brake device is not changed when the braking-force distribution is changed.5. The method according to claim 1 , whereinchanging of the braking-force distribution is initiated at approximately the same time as a braking operation by a rider.6. The method according to claim 1 , whereinchanging of the braking-force distribution is executed in the case where a larger braking force than a specified braking force is generated in at least one of the front brake device and the rear brake device.7. The method according to claim 1 , whereinchanging of the braking-force distribution is terminated at a point in time when an end of a lean state occurs or after a lapse of a specified time.8. The method according to claim 1 , whereinupon termination of control for changing the braking-force distribution, a difference between the braking-force distribution in a normal state and the changed braking-force distribution is computed, and the changed braking-force distribution is controlled so as to gradually approach the normal state of braking-force distribution within a specified time.9. The method according to claim 1 , whereinthe braking-force distribution is changed by changing a pressure of ...

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12-01-2017 дата публикации

BRAKING CONTROL SYSTEM FOR AN AIRCRAFT

Номер: US20170008503A1
Принадлежит:

A braking control system for an aircraft having braking wheels, the braking control system being configured to receive input of signals from sensors representative of a plurality of measured aircraft parameters, and to output a plurality of brake commands to brakes associated with the braking wheels, wherein the braking control system includes a health monitoring system for determining the operability and/or reliability of the sensor signals and/or of the braking wheels, and a task manager for automatically self-reconfiguring the braking control system so as to change the manner in which the braking control system utilises the input signals in the event that the health monitoring system judges a failure of one or more of the braking wheels or sensor signals. Also a method for operating an aircraft having a plurality of braking wheels. 1. A braking control system for an aircraft having a plurality of braking wheels , the braking control system being configured to receive input of sensor signals from sensors representative of a plurality of measured aircraft parameters , and to output a plurality of brake commands to brakes associated with the braking wheels according to a brake torque distribution , wherein the braking control system includes:a health monitoring system configured to determine an operability and/or a reliability of the sensor signals and/or of the braking wheels, anda task manager configured to automatically reconfigure the braking control system so as to change the manner in which the braking control system utilizes the sensor signals in the event that the health monitoring system judges a failure of one or more of the braking wheels or sensor signals and to control a prioritization of the brake torque distribution among the available braking wheels in response to detected events under normal and failure conditions.2. The braking control system according to claim 1 , wherein the aircraft parameters include one or more of: aircraft speed claim 1 , ...

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11-01-2018 дата публикации

BRAKE CONTROL UNIT

Номер: US20180009421A1
Принадлежит:

Towed vehicles can be extremely heavy. Accordingly, it is too much of a burden to the braking system of a towing vehicle to not have brakes on the towed vehicle. Controlling the brakes of the towed vehicle must be accurately applied otherwise very dangerous conditions can be created. A method of controlling braking of a towed vehicle is, therefore, needed. The method comprises receiving speed signals based on speed of a towing vehicle, or a towed vehicle, or both said towing vehicle and said towed vehicle, receiving pressure signals based on pressure of a hydraulic brake system of the towing vehicle, and generating a brake output signal based on the speed signals and the pressure signals. 1. A method of controlling braking of a towed vehicle , the method comprising:receiving a speed signal based on speed of at least one of a towing vehicle and a towed vehicle;sending a brake output signal based the speed signal to brakes of the towed vehicle to provide power to the brakes;determining a relationship between the speed and a speed threshold;applying a function to modify the brake output signal only when the speed of at least one of the towing vehicle and the towed vehicle is below the speed threshold, wherein the function modifies the brake output based on the speed; andwherein the brake output signal is not modified based on speed when the speed of at least one of the towing vehicle and the towed vehicle is above the speed threshold.2. A method of controlling braking of a towed vehicle , the method comprising:receiving an input signal based on a pressure in a brake system of a towing vehicle;generating a brake output signal based on the input signal;sending the brake output signal to brakes of the towed vehicle to provide power to the brakes;applying the brakes of the towed vehicle based on the brake output signal.3. The method of further comprising :receiving a speed signal based on speed of at least one of a towing vehicle and a towed vehicle;determining a ...

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10-01-2019 дата публикации

ELECTRIFIED VEHICLE CONTROL DURING TOWING

Номер: US20190009760A1
Принадлежит: FORD GLOBAL TECHNOLOGIES, LLC

An operating method for an electrified motor vehicle having an electric drive while being coupled to a towing vehicle by a connecting device in such a manner that the pulling forces and pushing forces between the vehicles are transmitted. The towing vehicle may communicate data to the motor vehicle used to control the motor vehicle to provide a controlled force exerted on the towing vehicle by the motor vehicle during towing. The controlled force exerted on the towing vehicle may vary based on the prevailing force direction between the vehicles, acceleration, and battery state of charge (SOC) of the motor vehicle. The controlled force may include a driving force or a braking force. The braking force may be provided by regenerative braking of the motor vehicle and/or by friction braking of the motor vehicle. 1. A method for controlling a vehicle having an electric machine coupled to a traction battery having an associated state of charge (SOC) , and being towed by a towing vehicle , comprising , by a vehicle controller:controlling the electric machine to provide one of a pulling force, a pushing force, and no force to the towing vehicle depending on vehicle acceleration, the SOC, and a direction of a prevailing force between the towing vehicle and the vehicle.2. The method of further comprising: receiving claim 1 , by the vehicle controller claim 1 , a signal from a device connecting the vehicle to the towing vehicle indicative of the direction of the prevailing force between the towing vehicle and the vehicle.3. The method of further comprising: wirelessly receiving data from the towing vehicle by the vehicle controller.4. The method of wherein the data comprises a request for the pulling force claim 3 , the pushing force claim 3 , or no force.5. The method of wherein the vehicle controller controls the electric machine to provide regenerative braking responsive to the direction of the prevailing force being rearward claim 1 , vehicle acceleration being negative ...

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10-01-2019 дата публикации

AIRCRAFT AUTONOMOUS PUSHBACK

Номер: US20190009891A1
Принадлежит:

The invention provides methods and systems for controlling speed of an aircraft during an autonomous pushback manoeuvre, i.e. under the aircraft's own power without a pushback tractor. The method includes applying a torque to at least one landing gear wheel of the aircraft, the torque being in a direction opposite to the backwards rolling direction of rotation of the landing gear wheel. The torque applied does not exceed a limit for ensuring aircraft longitudinal stability. For longitudinal stability the torque applied should not cause the aircraft to risk a tip-over event. 1. A method of controlling speed of an aircraft during backwards motion of the aircraft when in contact with the ground , the method comprising:applying a torque to at least one landing gear wheel of the aircraft, the torque being in a direction opposite to the backwards rolling direction of rotation of the landing gear wheel,wherein the torque applied does not exceed a limit for ensuring aircraft longitudinal stability.2. A method according to claim 1 , wherein the torque applied does not exceed a limit at which aircraft longitudinal stability is ensured such that the aircraft cannot tip back onto its tail.3. A method according to wherein the torque applied does not exceed a limit at which aircraft longitudinal stability is ensured such that a nose landing gear of the aircraft does not part contact with the ground.4. A method according to wherein the torque applied does not exceed a limit at which aircraft longitudinal stability is ensured such that a substantially vertical load through a nose landing gear wheel does not fall below a threshold at which a steering centring device maintains the wheel of the nose landing gear straight.5. A method according to claim 1 , wherein the torque limit is based upon one or more of the following instantaneous aircraft parameters when the torque is applied: a slope angle of the ground over which the aircraft is moving; the centre of gravity of the aircraft; ...

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08-01-2015 дата публикации

BRAKE CONTROL SYSTEM COMPRISING TIRE/RUNWAY FRICTION PROPERTY ESTIMATION MAPPING

Номер: US20150012153A1
Принадлежит: GOODRICH CORPORATION

Systems and methods for a tire/runway friction property estimation method based on measured wheel speed, calculated acceleration, wheel reference and tire normal force estimation are disclosed. Based on the resulting estimations, a map and/or function of position for the friction properties may be formed and transmitted to external systems after an aircraft stop is completed. 1. A method for determining coefficients of friction along a portion of a runway comprising:measuring, by a brake control unit, a first axle reference speed for a braked wheel of an aircraft;establishing, by the brake control unit, a wheel reference speed for the braked wheel of the aircraft;determining, by the brake control unit, a slip ratio of the braked wheel;estimating, by the brake control unit, a weight of the aircraft associated with the first braked wheel;mapping, by the brake control unit, position data to the measured values; andestimating, by the brake control unit, coefficients of friction associated with locations along the portion of the runway.2. The method of claim 1 , wherein the establishing the wheel reference speed of the first braked wheel comprises measuring a wheel speed of a wheel.3. The method of claim 2 , further comprising transmitting the measured wheel speed from a wheel speed sensor to the brake control unit.4. The method of claim 1 , wherein the estimating the weight of the aircraft comprises determining a tire pressure of a tire of the first braked wheel claim 1 , and calculating the weight of the aircraft based on the determined change tire pressure from a known reference value.5. The method of claim 1 , further comprising calculating position data from a location sensor.6. The method of claim 5 , wherein the location sensor is a global positioning unit.7. The method of claim 1 , further comprising estimating claim 1 , by the brake control unit claim 1 , a slip ratio peak associated with locations along the runway.8. The method of claim 1 , further comprising ...

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09-01-2020 дата публикации

SYSTEMS AND METHODS FOR VALIDATING REAL-TIME CONDITION OF A LANDING FIELD USING AIRCRAFT DATA

Номер: US20200013297A1
Принадлежит:

Computer-implemented methods for validating a real-time condition of a landing field using aircraft data. One method comprises identifying a plurality of segments of the runway based on a configurable parameter; receiving input data of at least one of a reported runway condition code and a reported braking action of a recently landed aircraft; receiving actual data of an actual runway deceleration profile from the recently landed aircraft for each identified segment of the runway; creating expected data of an expected runway deceleration profile based on the received input data and the received actual data; comparing the received actual data with the created expected data to validate and/or reassess the input data; and transmitting the validated and/or reassessed data to at least one of other approaching aircraft and an airport controller. 1. A computer-implemented method for validating a real-time condition of a landing field using aircraft data , the method comprising:identifying a plurality of segments of the runway based on a configurable parameter;receiving input data of at least one of a reported runway condition code and a reported braking action of a recently landed aircraft;receiving actual data of an actual runway deceleration profile from the recently landed aircraft for each identified segment of the runway;creating expected data of an expected runway deceleration profile based on the received input data and the received actual data;comparing the received actual data with the created expected data to validate and/or reassess the input data; andtransmitting the validated and/or reassessed data to at least one of other approaching aircraft and an airport controller.2. The method of claim 1 , wherein the configurable parameter is a predetermined length of the runway up to an entire length of the runway.3. The method of claim 1 , wherein receiving input data comprises receiving the reported runway condition code from an airport controller and receiving the ...

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03-02-2022 дата публикации

Parking Brake Apparatus for a Vehicle

Номер: US20220032887A1
Принадлежит:

A parking brake controller comprises at least one input for receiving a signal indicative of at least one vehicle factor, a control input for receiving a request to unpark the vehicle, an output for transmitting a control signal to a parking brake valve and control logic. The control logic determines the at least one vehicle factor indicates the vehicle can be unparked, determines an unpark request has been received, and transmits a control signal to the parking brake valve only in response to the unpark request being received while the at least one vehicle factor is being met. 1. A parking brake controller for an air braked vehicle having a parking brake apparatus comprising:at least one input for receiving a signal indicative of at least one vehicle factor;a control input for receiving a request to unpark the vehicle;an output for transmitting a control signal to a parking brake valve; and determines the at least one vehicle factor indicates the vehicle can be unparked,', 'determines an unpark request has been received, and', 'transmits a control signal to the parking brake valve only in response to the unpark request being received while the at least one vehicle factor is being met., 'control logic that'}2. The parking brake controller as in claim 1 , wherein the unpark request is received within a predetermined time of receiving the indication that the at least one vehicle factor is being met.3. The parking brake controller as in claim 1 , wherein the control logic alerts a driver of the vehicle that the vehicle is being unparked when the control signal is transmitted.4. The parking brake controller as in claim 1 , wherein the at least one vehicle factor indicating that the vehicle can be unparked is selected from a facial biometric scan identifying a valid driver claim 1 , a thumb imprint scan identifying a valid driver claim 1 , a stop lamp switch indicating the service brakes are actuated claim 1 , a key ignition switch indicating the ignition is on claim 1 , ...

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03-02-2022 дата публикации

VEHICLE OPERATIONAL DIAGNOSTICS, CONDITION RESPONSE, VEHICLE PAIRING, AND BLIND SPOT DETECTION SYSTEM

Номер: US20220032940A1
Автор: Jankowski Peter
Принадлежит:

A vehicle operational diagnostics and condition response system includes at least an axle supporting a vehicle frame, a suspension disposed between and secured to each the vehicle frame and the axle, a load detection device interacting with the suspension and communicating with a system controller, wherein the system controller is supported by the vehicle frame, and a vehicle pairing circuit, the vehicle pairing circuit interacting with the system controller. The vehicle pairing circuit activated by the system controller in response to load detection data received by the system controller from the load detection device. 1. A combination comprising:a powered tow unit;a first system controller supported by and in electrical interaction with the powered towing unit, said first system controller providing at least first control electronics confined by a first housing;a first pairing circuit confined by said first housing and in electronic communication with said first control electronics;a cargo transport unit mechanically coupled to the powered tow unit;a second system controller supported by said cargo transport unit, said second system controller providing at least a second control electronics confined by a second housing; anda second pairing circuit confined by said second housing and in electronic communication with the second control electronics, in which the second pairing circuit is in electronic communication with the first pairing circuit.2. The combination of claim 1 , further comprising:a power circuit provided by said powered tow unit and communicating with said first system controller;a data circuit provided by said powered tow unit and communicating with said first system controller;a ground circuit provided by said powered tow unit and communicating with said first system controller;an auxiliary circuit provided by said powered tow unit and communicating with said first system controller;a power circuit provided by said cargo transport unit communicating ...

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03-02-2022 дата публикации

Unattended Railcar Motion Control System

Номер: US20220032973A1
Принадлежит: Enersul Inc

A method and mechanism for initiating an emergency stop for an unattended railcar is disclosed. The method may include using a trip arm placed alongside the railway tracks at a designated stop point that may contact a portable trip-cock lever arm that extends out beyond the perimeter of the railcar if the railcar reaches the stop point as it moves along the track. The trip-cock lever arm may be attached to a valve that is connected to the pneumatic brake system of the unattended railcar. As the trip-cock lever arm rotates, the valve may open to release the air pressure in the pneumatic brake system causing the brakes to engage the wheels causing the railcar to stop.

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19-01-2017 дата публикации

SAFETY BRAKE DEVICE AND METHOD FOR SAFETY BRAKING OF AN AUTONOMOUS VEHICLE

Номер: US20170015291A1
Автор: KINDBERG Leif
Принадлежит:

Disclosed herein are a safety brake device and method for safety braking using a hydraulic brake system including hydraulic wheel brakes of an autonomous vehicle, the autonomous vehicle further having an electrical power supply and signaling system for enabling an autonomous drive mode. The method comprises pressurizing a pressure storage canister containing brake fluid, monitoring electrical power supplies and signaling of the autonomous vehicle, and releasing brake fluid into the hydraulic brake system of the autonomous vehicle to activate the wheel brakes thereof upon determining loss of at least one of electrical power and signaling of the autonomous vehicle. Disclosed herein is also an autonomous vehicle comprising a safety brake. 1. A safety brake device adapted for a hydraulic brake system including hydraulic wheel brakes of an autonomous vehicle , the autonomous vehicle further having an electrical power supply and signaling system for enabling an autonomous drive mode , the safety brake device comprising:a pressure storage canister adapted to contain brake fluid;an electrical power and signaling connector connectable to the electrical power supply and signaling system of the autonomous vehicle;a supervisor electronic control unit (ECU) for monitoring electrical power supply and signaling of the autonomous vehicle;a pressure pump connected to the pressure storage canister via an inlet valve;a hydraulic brake system connector connected to the pressure storage canister via a pressure application valve and connectable to the hydraulic brake system of the autonomous vehicle;wherein the pressure pump, the inlet valve and the pressure application valve are adapted to be controlled by the supervisor ECU, and wherein the supervisor ECU is configured to open the pressure application valve to release brake fluid into the hydraulic brake system of the autonomous vehicle to activate the wheel brakes thereof upon determining loss of at least one of electrical power and ...

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21-01-2016 дата публикации

Controlled Creep Speed During Higher Speed Idling Such as DPF Regeneration

Номер: US20160016562A1
Принадлежит: CATERPILLAR INC.

A machine is provided where the machine includes: an engine configured to operate at an idle speed; an engine exhaust system connected to the engine; at least one service brake connected to at least one of wheels of the machine; at least one brake solenoid connected to the at least one service brake; a brake controller connected to the at least one brake solenoid and the at least one service brake; and an anti-lunging system configured to control the at least one brake solenoid during periods of higher idle speed, where the brake controller is configured to control the at least one service brake, the at least one brake solenoid and the anti-lunging system. 1. A machine , comprising:an engine configured to operate at an idle speed;an engine exhaust system connected to the engine;at least one service brake connected to at least one of wheels of the machine;at least one brake solenoid connected to the at least one service brake;a brake controller connected to the at least one brake solenoid and the at least one service brake; andan anti-lunging system configured to control the at least one brake solenoid during periods of higher idle speed,wherein the brake controller is configured to control the at least one service brake, the at least one brake solenoid and the anti-lunging system.2. The machine according claim 1 , further comprising:an after-treatment system connected to the engine exhaust system, wherein the after-treatment system is configured to carry out active regeneration.3. The machine according to claim 2 , wherein the after-treatment system comprises a diesel particulate filter (DPF) claim 2 , where the after-treatment system is further configured to increase a temperature of the DPF during the active regeneration.4. The machine according to claim 2 , wherein the anti-lunging system is further configured to apply an initial electric current to the at least one brake solenoid when the active regeneration becomes active.5. The machine according to claim 1 , ...

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21-01-2016 дата публикации

SYSTEM AND METHOD FOR CONTROLLING A VEHICLE

Номер: US20160016566A1
Принадлежит:

A method for vehicle control comprises determining a braking capability of a braking system of a vehicle, and modifying application of at least one control parameter by a control system of the vehicle based on the determined braking capability. Braking capability may be determined by activating the braking system of the vehicle to apply a braking force on the vehicle, and concurrently, applying a level of tractive effort of the vehicle that is sufficient to overcome the braking force. The braking capability is determined based on the level of tractive effort.

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21-01-2016 дата публикации

Determining integrity of braking control system

Номер: US20160016576A1
Принадлежит: Airbus Operations Ltd

A method of determining the integrity of an electric or hydraulic braking control system. A reduction rate of a voltage or hydraulic pressure in the braking control system is determined, and the integrity of the braking control system is determined by comparing the reduction rate with a threshold. The braking control system may be an aircraft braking control system, and the method may be performed during flight of the aircraft—typically during cruise.

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18-01-2018 дата публикации

WHEEL REFERENCE BALANCE ESTIMATOR

Номер: US20180015910A1
Автор: Georgin Marc
Принадлежит: GOODRICH CORPORATION

Systems and methods are disclosed herein for controlling braking systems. In this regard, a method for controlling brakes may comprise receiving, by an antiskid control (ASK), a first wheel speed, calculating, by the ASK, a first wheel reference speed (WRS), and calculating, by the ASK, a first wheel reference estimate (WRE). In various embodiments, the method may further comprise determining if the first WRS is within a threshold value of the first WRE. In various embodiments, the method may further comprise calculating an ASK desired pressure. The ASK desired pressure may be calculated using the first WRS in response to the first WRS being within the threshold value of the first WRE. The ASK desired pressure may be calculated using the first WRE in response to the first WRS being outside the threshold value of the first WRE. 1. A method for controlling brakes , comprising:receiving, by an antiskid controller (ASK), a first wheel speed;calculating, by the ASK, a first wheel reference speed (WRS);calculating, by the ASK, a first wheel reference estimate (WRE); anddetermining, by the ASK, if the first WRS is within a threshold value of the first WRE.2. The method of claim 1 , further comprising:calculating, by the ASK, an ASK desired pressure, wherein, in response to the first WRS being within the threshold value of the first WRE, the ASK desired pressure is calculated using the first WRS.3. The method of claim 1 , further comprising:calculating, by the ASK, an ASK desired pressure, wherein, in response to the first WRS being outside the threshold value of the first WRE, the ASK desired pressure is calculated using the first WRE.4. The method of claim 1 , further comprising:receiving, by the ASK, a second wheel speed; andcalculating, by the ASK, a second WRS, wherein the first WRE is calculated using the first WRS and the second WRS.5. The method of claim 4 , further comprising:receiving, by the ASK, a third wheel speed;receiving, by the ASK, a fourth wheel speed; ...

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18-01-2018 дата публикации

Antiskid brake control system with minimum disruption autobrake function

Номер: US20180015911A1
Автор: Marc Georgin
Принадлежит: Goodrich Corp

A method for controlling brakes may comprise detecting, by a brake control unit (BCU), an aircraft speed, determining, by the BCU, that the aircraft speed is at least one of at or above a threshold value, determining, by the BCU, that an auto-brake control has been enabled, receiving, by the BCU, an antiskid desired pressure that is output from an antiskid control, the BCU comprising a brake control executive (BKX), the antiskid desired pressure being received by the BCU, and receiving, by the BCU, a desired pressure comprising at least one of a deceleration control desired pressure from a deceleration control (DK) or a pilot desired pressure from a manual brake control, the desired pressure being received by the BKX.

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18-01-2018 дата публикации

USE OF AUTOMATIC PITCH CONTROL TO IMPROVE BRAKING PERFORMANCE

Номер: US20180015997A1
Принадлежит:

A flight control law enhances braking efficiency through the operation of aircraft elevators (or another pitch control system) using measured longitudinal acceleration and/or pedal position as references to the control law. Through this solution, it is possible to increase the vertical load in the main landing gear and consequently enhance braking efficiency. 1. A system for improving braking efficiency of an aircraft having an elevator or other rear pitch control surface , the system comprising:an acceleration sensor that measures longitudinal acceleration of the aircraft;a brake pedal sensor that measures position of a brake pedal; anda controller coupled to the acceleration sensor and/or the brake pedal sensor, the controller implementing a flight control law that enhances braking efficiency of the aircraft through the operation of the elevator or other pitch control surface by using measured longitudinal acceleration and/or pedal position as references to the control law, to thereby selectively increase the vertical load in the main landing gear and consequently enhance the braking efficiency of the aircraft.2. The system of wherein the aircraft includes a nose wheel that has no associated brakes.3. The system of wherein the acceleration sensor comprises a linear accelerometer.4. The system of wherein the controller outputs a signal to change the position of the elevator or other pitch control surface in response to the measured longitudinal acceleration and/or brake pedal position.5. The system of wherein the controller produces an output that controls the control surface to at least partially counteract the nose-down moment generated by main landing gear brakes claim 1 , the nose-down moment having the effect of decreasing the local load on the main landing gear and increasing the load on nose landing gear.6. The system of wherein the controller adjusts the relationship between acceleration and/or brake pedals with control surface deflection to always keep at ...

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17-01-2019 дата публикации

BRAKE HANDLE FOR EMERGENCY ELECTRIC BRAKING

Номер: US20190016326A1
Принадлежит: GOODRICH CORPORATION

A brake handle for emergency braking in an emergency electric brake system is disclosed. The emergency electric brake system may comprise a brake control unit (BCU), an electric braking actuating controller (EBAC), and one or more electromechanical brake actuators (EBA). The brake handle may be in direct electronic communication with the EBAC to allow an independent emergency braking input to the EBAC, thus bypassing the BCU in the event of an emergency braking situation. 1. An emergency electric brake system for an aircraft , comprising:a brake handle comprising a displacement sensor configured to detect and measure the displacement of the brake handle, wherein the brake handle is configured to generate a displacement distance data related to the displacement of the brake handle; and a conditioning module configured to receive the displacement distance data from the brake handle, wherein in response to receiving the displacement distance data, the conditioning module is configured to generate an emergency brake signal based on the displacement distance data, and wherein the emergency brake signal comprises a specified brake force; and', 'a control module configured to transmit the emergency brake signal to apply the specified brake force., 'an electric braking actuating controller (EBAC) in direct electronic communication with the brake handle, the EBAC comprising2. The emergency electric brake system of claim 1 , further comprising an electromechanical brake actuator (EBA) in electronic communication with the EBAC.3. The emergency electric brake system of claim 2 , wherein in response to receiving the emergency brake signal from the control module of the EBAC claim 2 , the EBA is configured to apply a braking force in an aircraft brake based on the specified brake force.4. (canceled)5. The emergency electric brake system of claim 1 , wherein the displacement sensor comprises at least one of a linear variable differential transformer (LVDT) sensor or a rotary ...

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16-01-2020 дата публикации

AUTOMATIC DOWNHILL SNUB BRAKING

Номер: US20200017078A1
Принадлежит:

Methods and apparatus are disclosed herein that perform automatic downhill snub braking. An example apparatus disclosed herein includes an electronic powertrain controller to cause a deceleration of a vehicle in response to a first request from an electronic cruise controller, the first request responsive to a change in grade of a driving surface and an electronic brake controller to apply snub braking to the vehicle in response to a second request received from the electronic cruise controller, the second request responsive to a speed of the vehicle reaching a maximum speed. 1. An apparatus comprising:an electronic powertrain controller to cause a deceleration of a vehicle in response to a first request from an electronic cruise controller, the first request responsive to a change in grade of a driving surface; andan electronic brake controller to apply snub braking to the vehicle in response to a second request received from the electronic cruise controller, the second request responsive to a speed of the vehicle reaching a maximum speed.2. The apparatus of claim 1 , wherein the electronic powertrain controller is to cause the deceleration of the vehicle via engine fuel cutoff claim 1 , engine braking claim 1 , or a transmission downshift.3. The apparatus of claim 1 , wherein the snub braking includes applying a constant deceleration using a braking system of the vehicle until the speed of the vehicle equals a minimum speed.4. The apparatus of claim 3 , wherein the electronic brake controller controls operation of the braking system of the vehicle and a braking system of a trailer attached to the vehicle.5. The apparatus of claim 4 , wherein the snub braking includes using the braking system of the vehicle and the braking system of the trailer attached to the vehicle.6. The apparatus of claim 1 , further including a display interface to display characteristics of the vehicle to a driver.7. The apparatus of claim 6 , wherein the display interface displays one or ...

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16-01-2020 дата публикации

Vehicle Control System And Method

Номер: US20200017084A1
Принадлежит:

A vehicle control system includes a first controller configured to communicate a first brake command to one or more brake devices of a vehicle system via a communication pathway. The system also includes a second controller configured to monitor the communication pathway to determine whether the first brake command from the first controller is communicated via the communication pathway to the one or more brake devices. The second controller also is configured to implement a backup brake command to the one or more brake devices based on a presence of the first brake command and a level of brake application dictated by the first brake command. 1. A system comprising:a first controller configured to communicate a first brake command to one or more brake devices of a vehicle system via a communication pathway; anda second controller configured to monitor the communication pathway to determine whether the first brake command from the first controller is communicated via the communication pathway to the one or more brake devices,the second controller also is configured to implement a backup brake command to the one or more brake devices based on a presence of the first brake command and a level of brake application dictated by the first brake command.2. The system of claim 1 , wherein the second controller is configured to implement the backup brake command responsive to the first brake command being detected on the communication pathway.3. The system of claim 1 , wherein the second controller is configured to implement the backup brake command responsive to the first brake command directing less than a full application of the one or more brake devices.4. The system of claim 1 , wherein the second controller is configured to implement the backup brake command responsive to both the first brake command being detected on the communication pathway and the first brake command directing less than a full application of the one or more brake devices.5. The system of claim 1 , ...

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16-01-2020 дата публикации

CONTROLLER, CONTROL METHOD, AND BRAKE SYSTEM

Номер: US20200017085A1
Автор: Oshida Yuki
Принадлежит:

The invention obtains a controller and a control method capable of improving safety by automatic emergency deceleration action while suppressing a motorcycle from falling over. The invention also obtains a brake system that includes such a controller. 160100. A controller () that controls behavior of a motorcycle () , the controller comprising:{'b': 61', '100, 'an acquisition section () that acquires trigger information generated in accordance with peripheral environment of the motorcycle (); and'}{'b': 62', '100, 'an execution section () that initiates a control mode in response to the trigger information, the control mode causing the motorcycle () to take automatic emergency deceleration action, wherein'}{'b': 61', '100, 'the acquisition section () acquires a change rate of a state amount that is related to posture of the motorcycle () during turning travel, and'}{'b': '100', 'in the control mode, automatic emergency deceleration that is deceleration of the motorcycle () generated by the automatic emergency deceleration action is controlled in accordance with the change rate.'}2. The controller according to claim 1 , whereinin the control mode, in the case where the change rate exceeds a change rate reference value, the automatic emergency deceleration action is prohibited.3. The controller according to or claim 1 , whereinin the control mode, in the case where the change rate is high, the automatic emergency deceleration action is taken, and the automatic emergency deceleration therein is lower than the automatic emergency deceleration in the automatic emergency deceleration action that is taken when the change rate is low.4. The controller according to claim 3 , wherein{'b': '100', 'in the control mode, the automatic emergency deceleration of the motorcycle (), which is generated during the automatic emergency deceleration action, is controlled in accordance with the change rate acquired during the automatic emergency deceleration action.'}5. The controller ...

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16-01-2020 дата публикации

CONTROLLER, CONTROL METHOD, AND BRAKE SYSTEM

Номер: US20200017086A1
Автор: Oshida Yuki
Принадлежит:

The invention obtains a controller and a control method capable of improving safety by automatic emergency deceleration action while suppressing a motorcycle from falling over. The invention also obtains a brake system that includes such a controller. 160100. A controller () that controls behavior of a motorcycle () , the controller comprising:{'b': 61', '100, 'an acquisition section () that acquires trigger information generated in accordance with peripheral environment of the motorcycle (); and'}{'b': 62', '100, 'an execution section () that initiates a control mode in response to the trigger information, the control mode causing the motorcycle () to take automatic emergency deceleration action, wherein'}{'b': 61', '100, 'the acquisition section () acquires a lean angle of the motorcycle (), and'}{'b': '100', 'in the control mode, automatic emergency deceleration that is deceleration of the motorcycle () generated by the automatic emergency deceleration action is controlled in accordance with the lean angle.'}2. The controller according to claim 1 , whereinin the control mode, in the case where the lean angle is large, the automatic emergency deceleration action is taken, and the automatic emergency deceleration therein is lower than the automatic emergency deceleration in the automatic emergency deceleration action that is taken when the lean angle is small.3. The controller according to claim 2 , wherein{'b': '100', 'in the control mode, the automatic emergency deceleration of the motorcycle (), which is generated during the automatic emergency deceleration action, is controlled in accordance with the lean angle acquired during the automatic emergency deceleration action.'}4. The controller according to claim 1 , whereinin the control mode, in the case where the lean angle exceeds a lean angle reference value, the automatic emergency deceleration action is prohibited.5. The controller according to claim 4 , whereinin the control mode, in the case where the lean ...

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16-01-2020 дата публикации

ARCHITECTURE FOR LOCKED WHEEL AND ANTISKID PERFORMANCE

Номер: US20200017202A1
Принадлежит: GOODRICH CORPORATION

Braking control systems and methods, such as for an aircraft, use a dump valve to rapidly decrease hydraulic pressure applied to a brake actuator during a wheel skid condition. In response to the wheel speed recovering, the dump valve is commanded closed and the brake control system returns to normal braking. The dump valve and a servo-valve may work harmoniously for locked wheel brake control. 1. A brake control system , comprising:a non-transitory memory configured to store instructions; and control a servo valve;', 'determine whether a locked wheel condition is detected;', 'command a dump valve to open in response to the locked wheel condition being detected to release the hydraulic fluid from the hydraulic line;', 'determine whether a wheel speed has recovered; and', 'command the dump valve closed in response to the wheel speed being recovered., 'a controller in electronic communication with the memory, the controller configured to2. The brake control system of claim 1 , further comprising a brake control module claim 1 , comprising:a shutoff valve configured to receive a hydraulic fluid;the servo valve configured to receive the hydraulic fluid from the shutoff valve and configured to provide the hydraulic fluid to apply braking force to a wheel via a hydraulic line; andthe dump valve, wherein the dump valve is in fluid communication with the hydraulic line.3. The brake control system of claim 2 , wherein the controller determines whether the locked wheel condition is detected by determining whether a rotational velocity of the wheel has decreased below a first pre-determined threshold value.4. The brake control system of claim 3 , wherein the controller determines whether the wheel speed has recovered by determining whether the rotational velocity of the wheel has increased above a second pre-determined threshold value.5. The brake control system of claim 2 , wherein the controller commands the dump valve open by sending a dump valve control signal to the dump ...

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28-01-2016 дата публикации

UNIVERSAL TRAILER MOUNTED PROPORTIONAL BRAKE CONTROLLER

Номер: US20160023642A1
Принадлежит:

A trailer mounted proportional brake controller for a towed vehicle and a method of controlling the brakes of a towed vehicle is described. The brake control unit may control the brakes of a towed vehicle. The brake control unit may include a power control unit and a hand control unit. The power control unit may be connected to the brakes of the towed vehicle and the power control unit may be capable of selectively controlling the brakes of the towed vehicle based on a set of braking parameters. The hand control unit may be configured to remotely communicate with the power control unit. The hand control unit may be capable of transmitting information to the power control unit to adjust at least one of the braking parameters and receiving information from the power control unit. 1. A brake controller comprising:a power control unit connected to brakes of a towed vehicle, said power control unit capable of controlling said brakes;a hand control unit remotely connected to said power control unit;wherein said hand control unit is capable of receiving information regarding status of said brakes from said power control unit; andwherein said hand control unit includes a display that is capable of displaying said information from said power control unit.2. The brake control unit of claim 1 , wherein said information includes the status of said brakes including diagnostics and fault conditions related to said power control unit.3. The brake control unit of claim 1 , wherein said power control unit includes a cover and is capable of being mounted in any direction on said towed vehicle whereby said cover is in an upwards direction.4. The brake control unit of claim 1 , wherein said hand control unit is configured to receive power from a vehicle's auxiliary power port.5. The brake control unit of claim 1 , wherein said hand control unit is capable of transmitting information to said power control unit.6. A brake controller comprising:a power control unit operatively coupled ...

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26-01-2017 дата публикации

BRAKE DEVICE AND STRADDLED VEHICLE

Номер: US20170021895A1
Принадлежит: YAMAHA HATSUDOKI KABUSHIKI KAISHA

During control ON of a brake control device, an ECU acquires a front wheel target braking force and a rear wheel target braking force from operation amount-front/rear wheel target braking force characteristics stored in a storage based on a master cylinder pressure detected by a master pressure sensor, and controls an oil pressure unit such that oil pressures corresponding to the acquired front wheel target braking force and rear wheel target braking force are respectively supplied to a front wheel brake and a rear wheel brake. During control OFF of the brake control device, oil pressures generated by a tandem master cylinder are directly supplied to the front wheel brake and the rear wheel brake. Hydraulic pressure control is performed such that operation amount-both wheels target braking force characteristics in a control ON state is equal to operation amount-both wheels target braking characteristics during a control OFF state. 1. A brake device to be provided on a straddled vehicle having a front wheel and a rear wheel , comprising:a first brake that exerts a braking force on the front wheel by a hydraulic pressure;a second brake that exerts a braking force on the rear wheel by a hydraulic pressure;a single operation member operated by a driver in order to adjust the braking forces of the first and second brakes;an operation amount detector that detects an operation amount of the operation member;a storage that stores a relationship between the operation amount of the operation member and braking forces to be respectively exerted on the front wheel and the rear wheel; acquire a first target braking force to be exerted on the front wheel, a second target braking force, to be exerted on the rear wheel, from the relationship stored in the storage based on the operation amount detected by the operation amount detector,', 'supply a first hydraulic pressure, corresponding to the acquired first target braking force, to the first brake so that the first brake exerts the ...

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26-01-2017 дата публикации

Methods for repair of aircraft wheel and brake parts

Номер: US20170022614A1
Принадлежит: Goodrich Corp

Systems and methods are disclosed for aircraft wheels and brakes systems for use in, for example, an aircraft. In this regard, a method for repair of at least one of an aircraft wheel and an aircraft brake part may comprise pre-treating a surface of the aircraft wheel and/or aircraft brake part, using an additive manufacturing repair process to apply repair material to the surface of the aircraft wheel and/or aircraft brake part, and post-treating the aircraft wheel and/or aircraft brake part resulting in the restoration of a geometric profile and/or a structural capability of the aircraft wheel and/or aircraft brake part.

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10-02-2022 дата публикации

Vehicle braking capability determination by braking with fewer than all available braking wheels

Номер: US20220041145A1
Автор: Thomas F. Landers
Принадлежит: Gulfstream Aerospace Corp

An aircraft includes a first landing gear assembly, a second landing gear assembly, a braking circuit, a brake control circuit, and a braking capability circuit. The landing gear assemblies each include a first braking wheel and a second braking wheel. The braking circuit may apply brakes independently to each of the braking wheels. The brake control circuit actuates braking of the first braking wheels in response to initial receipt of a braking command in a first braking phase and restrict braking at the second braking wheels during the first braking phase until the first braking wheels reach an anti-skid limit at an end of the first braking phase. The braking capability circuit determines a braking capability of the aircraft based on an amount of braking applied to reach the anti-skid limit at the first braking wheels.

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10-02-2022 дата публикации

BRAKE CONTROL VALVE ARRANGEMENT

Номер: US20220041147A1
Принадлежит:

An electropneumatic rail brake system configured to provide emergency braking including an emergency magnet valve which controls air flow into an emergency regulator valve, which valve has an emergency back-up chamber. The emergency regulator provides an output pressure nominally equal to the variable load pressure and no lower than the tare back-up. The magnet valve is closed when energized and when de-energized, pressure is allowed into the emergency back-up chamber, Regulation of the brake cylinder pressure continues during an emergency application such that the brake cylinder pressure applied during an emergency stop does not drop below a predetermined level. In the event of power-loss during an emergency brake stop, the nominal emergency brake pressure is applied to the brake cylinders. 1. An electropneumatic brake system for a rail vehicle configured to provide emergency braking , the electropneumatic brake system comprising:brake cylinders for applying a brake force;emergency regulator valve that has an emergency back-up chamber; andan emergency magnet valve which controls air flow into the emergency regulator valve,wherein the emergency regulator valve being is adapted to provide an output pressure nominally equal to a variable load pressure and no lower than a tare back-up setting,wherein the emergency magnet valve is controlled by a first electronic control unit that regulates brake cylinder pressure,wherein the emergency magnet valve is closed when energised,wherein, when the emergency magnet valve is de-energised, pressure is allowed into the emergency back-up chamber,wherein regulation of a brake cylinder pressure by the first electronic control unit continues during an emergency application such that the brake cylinder pressure applied during an emergency stop does not drop below a predetermined level, andwherein, in the event of power-loss during an emergency brake stop, a nominal emergency brake pressure is applied to the brake cylinders.2. The ...

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24-01-2019 дата публикации

BRAKE POSITION SYSTEM

Номер: US20190023243A1
Принадлежит: GOODRICH CORPORATION

A brake actuator system may comprise a brake actuator comprising a ball screw, a ball nut coupled to the ball screw, and a ram coupled to a ram end of the ball nut; a position sensor coupled to the brake actuator; a processor in electronic communication with the brake actuator and the position sensor; and/or a tangible, non-transitory memory configured to communicate with the processor, the tangible, non-transitory memory having instructions stored thereon that, in response to execution by the processor, cause the processor to perform operations. The operations may comprise commanding the brake actuator to translate the ball nut in a first direction toward a brake stack; detecting the ram reaching a furthest forward position; and commanding the brake actuator to translate the ball nut in a second direction opposite the first direction for a total retraction distance. 1. A brake actuator system , comprising:a brake actuator comprising a ball screw, a ball nut coupled to the ball screw, and a ram coupled to a ram end of the ball nut;a position sensor coupled to the brake actuator;a processor in electronic communication with the brake actuator and the position sensor; and commanding, by the processor, the brake actuator to translate the ball nut in a first direction toward a brake stack; and', 'detecting, by the processor, the ram reaching a furthest forward position;', 'commanding, by the processor, the brake actuator to translate the ball nut in a second direction opposite the first direction for a total retraction distance., 'a tangible, non-transitory memory configured to communicate with the processor, the tangible, non-transitory memory having instructions stored thereon that, in response to execution by the processor, cause the processor to perform operations comprising2. The brake actuator system of claim 1 , wherein the operations further comprise determining claim 1 , by the processor claim 1 , a running clearance position of the ram in response to ...

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24-01-2019 дата публикации

BRAKE POSITION SYSTEM

Номер: US20190023244A1
Принадлежит: GOODRICH CORPORATION

A brake actuator system may comprise a brake actuator comprising a ball screw, a ball nut coupled to the ball screw, and a ram coupled to a ram end of the ball nut; a position sensor coupled to the brake actuator; a processor in electronic communication with the brake actuator and the position sensor; and a tangible, non-transitory memory configured to communicate with the processor, the tangible, non-transitory memory having instructions stored thereon that, in response to execution by the processor, cause the processor to perform operations. The operations may comprise commanding the brake actuator to translate the ball nut in a first direction toward a brake stack; detecting the pusher reaching a furthest forward position; and commanding the brake actuator to translate the ball nut in a second direction opposite the first direction for a predetermined retraction distance. 1. A brake actuator system , comprising:a brake actuator comprising a ball screw, a ball nut coupled to the ball screw, and a ram coupled to a ram end of the ball nut;a position sensor coupled to the brake actuator;a processor in electronic communication with the brake actuator and the position sensor; and commanding, by the processor, the brake actuator to translate the ball nut in a first direction toward a brake stack;', 'detecting, by the processor, the ram reaching a furthest forward position; and', 'commanding, by the processor, the brake actuator to translate the ball nut in a second direction opposite the first direction for a predetermined retraction distance., 'a tangible, non-transitory memory configured to communicate with the processor, the tangible, non-transitory memory having instructions stored thereon that, in response to execution by the processor, cause the processor to perform operations comprising2. The brake actuator system of claim 1 , wherein the operations further comprise determining claim 1 , by the processor claim 1 , a zero torque position of the ram in response to ...

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24-01-2019 дата публикации

ARBITRATION OF MULTIPLE SYSTEMS USING SHARED COMPONENTS

Номер: US20190023253A1
Принадлежит: GOODRICH CORPORATION

A brake control system (BCS) may comprise a first controller, a second controller in electronic communication with the first controller, and a valve comprising a first coil and a second coil. The first controller may be configured to actuate the valve via the first coil. The second controller may be configured to actuate the valve via the second coil. The first controller may be configured to disable the second controller to take over control of the valve. 1. A brake control system (BCS) , comprising:a first controller;a second controller in electronic communication with the first controller; a first coil; and', 'a second coil;, 'a valve, comprising, 'a brake control module (BCM) comprisingwherein the valve is controllable via the first coil and the second coil, andthe BCM is in electronic communication with the first controller via the first coil and in electronic communication with the second controller via the second coil.2. The BCS of claim 1 , further comprising a tangible claim 1 , non-transitory memory configured to communicate with the first controller claim 1 , the tangible claim 1 , non-transitory memory having instructions stored thereon that claim 1 , in response to execution by the first controller claim 1 , cause the first controller to perform operations comprising:disabling, by the first controller, the second controller; andcontrolling, by the first controller, the valve, via the second coil.3. The BCS of claim 1 , wherein the first controller comprises an aircraft management system (AMS) claim 1 , and the second controller comprises a brake control unit (BCU).4. The BCS of claim 1 , wherein the second controller is disabled from communicating with the valve in response to the first controller disabling the second controller.5. The BCS of claim 1 , wherein the first controller is hard-wired to the BCM.6. The BCS of claim 1 , wherein the second controller is hard-wired to the BCM.7. The BCS of claim 1 , wherein the first controller is hard-wired to ...

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24-01-2019 дата публикации

Leaning posture control device for leaning vehicle having left and right inclined wheels mounted thereon and leaning vehicle having left and right inclined wheels mounted thereon

Номер: US20190023264A1
Автор: Takaaki Mizutani
Принадлежит: Yamaha Motor Co Ltd

A leaning posture control device controls a leaning posture of a left-right-inclined-wheel-equipped leaning vehicle. The leaning posture control device controls a torque of at least one of a left inclined wheel or a right inclined wheel arranged in a left-right direction of the vehicle so as to suppress a change in a lean of the lean body frame in a left direction or right direction of the vehicle while the lean body frame is leaned, based on a physical quantity concerning side-slip, in the left direction of the vehicle or in the right direction of the vehicle, of the left inclined wheel, the right inclined wheel, and another inclined wheel disposed ahead of or behind the left inclined wheel and the right inclined wheel.

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22-01-2015 дата публикации

TRAILER ACCESS POINT PAIRING

Номер: US20150025766A1

A trailer electronic braking system includes a braking device capable of generating a braking force on a wheel on the trailer, a brake force into the brake cylinders being controllable by a braking ECU. The braking ECU is connected to a standards compliant communication bus on said trailer and is adapted to receive data inputs from sensors on the trailer. An interface to trailer electronics and a communications interface are also provided. The brake system is further adapted to transmit a trailer identifier such as an SSID, such that the trailer identifier can be paired with a further device, such as a mobile telephone associated with a tractor driver, the further device having previously been provided with the trailer identifier. 16-. (canceled)7. A trailer electronic braking system , comprising:a braking device capable of generating a braking force on a wheel on the trailer, a brake force into the brake cylinders being controllable by a braking electronic control unit (ECU), wherein the braking ECU is connected to a standards compliant communication bus on the trailer and is adapted to receive data inputs from sensors on the trailer; andan interface arrangement to interface trailer electronics and a communications interface;wherein the braking system is further adapted to transmit a trailer identifier, such that the trailer identifier can be paired with a further device, which further device has previously been provided with the trailer identifier.8. The trailer electronic braking system of claim 7 , wherein the interface arrangement includes a microcontroller.9. The trailer electronic braking system of claim 7 , wherein the communication interface includes a 802.11 wireless card claim 7 , which is adapted to transmit an SSID claim 7 , the trailer identifier including the SSID.10. The trailer electronic braking system of claim 7 , wherein the trailer electronic braking system is provided with a list of MAC addresses associated with allowable further devices claim ...

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23-01-2020 дата публикации

ARCHITECTURE FOR AN AIRCRAFT BRAKING SYSTEM

Номер: US20200023821A1
Принадлежит: SAFRAN LANDING SYSTEMS

Generally described, an architecture for an aircraft braking system is provided. The architecture includes a brake having friction members and electromechanical actuators, each electromechanical actuator having an electric motor and a power module; a computer arranged to produce digital control signals; a power unit arranged to produce an electrical power supply for powering the electric motors; and a junction box disposed on the undercarriage. The junction box may be configured to receive and to distribute the electrical power supply. The junction box generally includes an electrical motor control module that produces digital motor command signals from the digital control signals, and an electrical converter module that converts the digital motor command signals into analog motor command signals for the power modules of the electromechanical actuators. 1. An architecture for an aircraft braking system , the architecture comprising:a brake configured to brake a wheel of an undercarriage of the aircraft, the brake comprising friction members and electromechanical actuators for applying a braking force to the friction members to exert a braking torque on the wheel, each electromechanical actuator comprising an electric motor and a power module;a computer disposed in a fuselage of the aircraft and configured to produce digital control signals;a power unit disposed in the fuselage of the aircraft and configured to produce an electrical power supply for powering the electric motors; anda junction box situated on the undercarriage, the junction box connected to the computer, the power unit, and the electromechanical actuators,wherein the junction box is configured to receive the electrical power supply and to distribute the electrical power supply to the electromechanical actuators, wherein the junction box has an electrical motor control module configured to produce digital motor command signals from the digital control signals, and wherein the junction box has an ...

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23-01-2020 дата публикации

ANTISKID OPERATION DURING DEGRADED OPERATION

Номер: US20200023949A1
Автор: Cahill Eric Daniel
Принадлежит: GOODRICH CORPORATION

A braking system may include a controller, a first wheel and a second wheel. The first wheel may be laterally displaced from the second wheel by a first distance. A first wheel speed sensor may be coupled to the first wheel and a second wheel sensor may be coupled to the second wheel. The controller may be configured to determine at least one of a slip ratio, a coefficient of friction, or a braking pressure of the second wheel in response to failure of the first wheel speed sensor. The controller may be configured to calculate a consistency value of the at least one of the slip ratio, the coefficient of friction, or the braking pressure. The controller may be configured to adjust a braking pressure of the first wheel speed sensor based upon the consistency value and the first distance. 1. A braking system comprising:a controller;a first wheel and a second wheel, the first wheel displaced from the second wheel in at least one of a forward direction or an aft direction by a second distance;a first wheel speed sensor coupled to the first wheel and a second wheel sensor coupled to the second wheel;wherein the controller is configured to determine at least one of a slip ratio, a coefficient of friction, or a braking pressure of the second wheel in response to failure of the first wheel speed sensor;wherein the controller is configured to calculate a consistency value of the at least one of the slip ratio, the coefficient of friction, or the braking pressure;wherein the controller is configured to adjust a braking pressure applied to the first wheel based upon the consistency value and the second distance.2. The braking system of claim 1 , wherein the controller is configured to adjust the braking pressure applied to the first wheel as a proportion of the braking pressure applied to the second wheel.3. The braking system of claim 1 , wherein the first wheel is disposed on a different landing gear than the second wheel.4. The braking system of claim 1 , wherein the ...

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28-01-2021 дата публикации

AIRCRAFT WHEEL AND BRAKE ASSEMBLY

Номер: US20210024201A1
Автор: CHICO Philippe
Принадлежит: SAFRAN LANDING SYSTEMS

Aircraft wheel and brake assembly, including: 1. An aircraft wheel and brake assembly comprising:a wheel;a brake arranged to brake the wheel and comprising at least one friction member, an actuator bracket, and at least one brake actuator held by the actuator bracket and arranged to selectively exert a braking force on the at least one friction member;a first measuring device arranged to measure a rotation speed of the wheel;a second measuring device arranged to measure a temperature of the at least one friction member;a data concentrator arranged to acquire measurement signals produced by the first measuring device and by the second measuring device, to process the measurement signals so as to produce digital monitoring signals, and to transmit the digital monitoring signals to the outside of the aircraft wheel and brake assembly,the data concentrator comprising a housing and at least one printed circuit board incorporated into the housing, the data concentrator being mounted on the actuator bracket.2. The aircraft wheel and brake assembly according to claim 1 , in which the data concentrator is positioned between two adjacent brake actuators held by the actuator bracket.3. The aircraft wheel and brake assembly according to claim 2 , in which the brake is a hydraulic brake claim 2 , and in which the housing is fastened to fastening means that extend on or from rear portions of two adjacent piston housing casings.4. The aircraft wheel and brake assembly according to claim 1 , in which the data concentrator is positioned in a lower zone of the actuator bracket.5. The aircraft wheel and brake assembly according to claim 1 , in which the first measuring device includes a first target and a first sensing component claim 1 , the first target having a generally circular shape claim 1 , being rigidly connected to a rim of the wheel for rotation therewith claim 1 , and being positioned close to a peripheral portion of the rim of the wheel claim 1 , the first sensing ...

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10-02-2022 дата публикации

Systems, Methods And Devices For Remote Control Locomotive Training

Номер: US20220044584A1
Принадлежит: Cattron North America Inc

According to various aspects, exemplary embodiments are disclosed of systems, methods and devices related to remote control locomotive training. In an exemplary embodiment, a system includes a trainee operator control unit configured for wireless communication with a locomotive control unit for transmitting one or more commands to the locomotive control unit. A trainer is configured for wireless communication with the trainee operator control unit. The trainer is configured for monitoring the trainee operator control unit including the one or more commands transmitted from the trainee operator control unit to the locomotive control unit. The trainer is configured to transmit a brake application override command to the trainee operator control unit. And, the trainee operator control unit is configured to relay the brake application override command and/or a stop command to the locomotive control unit.

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02-02-2017 дата публикации

AUTOMATIC BRAKE DEVICE FOR SADDLE RIDING TYPE VEHICLE

Номер: US20170028971A1
Принадлежит:

A brake modulator controls actuation of front and rear brakes, and includes a collision possibility determining unit, an automatic brake control unit, and a brake operation determining unit. When the collision possibility determining unit determines that there is a possibility of collision, and the brake operation determining unit determines that brake operation by a driver is absent, the automatic brake control unit first actuates only the rear brake to generate a rear wheel braking force, and also actuates the front brake to generate a front wheel braking force. 1. An automatic brake device for a vehicle , the automatic brake device comprising:a front brake and a rear brake configured to be actuated independently of each other; anda brake modulator configured to control actuation of the front and rear brakes;the brake modulator includingcollision possibility determining means for determining a possibility of collision of the vehicle with a front obstacle,automatic brake control means for performing automatic brake control that automatically increases braking forces of the front and rear brakes when the collision possibility determining means determines that there is a possibility of collision, andbrake operation determining means for determining presence or absence of brake operation by a driver of the vehicle;wherein the automatic brake control means first actuates only the rear brake to generate a rear wheel braking force, and then also actuates the front brake to generate a front wheel braking force, when the collision possibility determining means determines that there is a possibility of collision, and the brake operation determining means determines that the brake operation by the driver is absent.2. The automatic brake device for a vehicle according to claim 1 , whereinwhen the collision possibility determining means determines that there is a possibility of collision, and wherein the brake operation determining means determines that the brake operation by ...

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02-02-2017 дата публикации

AUTOMATIC BRAKE DEVICE FOR SADDLE RIDING TYPE VEHICLE

Номер: US20170028972A1
Принадлежит:

A brake modulator controls actuation of front and rear brakes, and includes a collision possibility determining unit, an automatic brake control unit, and a brake operation determining unit. When the collision possibility determining unit determines that there is a possibility of collision, and the brake operation determining unit determines that brake operation by a driver is present, the automatic brake control unit changes a manner of increasing braking forces of the front and rear brakes according to the brake operation by the driver. 1. An automatic brake device for a vehicle , the automatic brake device comprising:a front brake and a rear brake configured to be actuated independently of each other; anda brake modulator configured to control actuation of the front and rear brakes,the brake modulator includingcollision possibility determining means for determining a possibility of collision of the vehicle with a front obstacle,automatic brake control means for performing automatic brake control that automatically increases braking forces of the front and rear brakes when the collision possibility determining means determines that there is a possibility of collision, andbrake operation determining means for determining presence or absence of brake operation by a driver of the vehicle,wherein the automatic brake control means changes a manner of increasing the braking forces of the front and rear brakes according to the brake operation by the driver, when the collision possibility determining means determines that there is a possibility of collision, and the brake operation determining means determines that the brake operation by the driver is present.2. The automatic brake device for a vehicle according to claim 1 , whereinthe automatic brake control means includes limit braking necessity determining means for determining whether to increase the braking forces of the front and rear brakes while maintaining a ratio between operations of the front and rear brakes ...

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02-02-2017 дата публикации

BRAKING SYSTEM FOR VEHICLES, IN PARTICULAR FOR CYCLES AND MOTORCYCLES, AND ACTUATION METHOD OF A BRAKING SYSTEM FOR VEHICLES

Номер: US20170028973A1
Принадлежит:

A braking system for vehicles comprising a pilot pump provided with a manual actuation means, the pilot pump being fluidically connected to a hydraulic actuator device in turn operatively connected to a braking device associated with a wheel of said vehicle, wherein the hydraulic actuator device delimits a first and a second actuation chamber fluidically separated by a movable septum along an axial direction X-X, the first actuation chamber containing fluid pressurised by the pilot pump, the second actuation chamber being filled with fluid under pressure and being provided with a delivery duct fluidically connected to said braking device. Advantageously, the hydraulic actuator device comprises a by-pass, offset axially with respect to said delivery duct and fluidically connected with the latter, the movable septum being connected to motor means in order to translate axially, independently of the braking action imposed through the manual actuation means of the pilot pump, the system comprising a processing unit and control operatively connected with the motor means and programmed so as to pass from a condition of standard operation or deactivation of the motor means, in which the movable septum connects the first actuation chamber with the by-pass and with the second actuation chamber, to a braking correction condition in which the motor means are activated to move the movable septum so that the first actuation chamber is fluidically separated from the by-pass and the second actuation chamber. In this way, the second actuation chamber, fluidically connected to the delivery duct, commands the actuation of the braking device, excluding the action imposed by the user through the pressurised fluid in the first actuation chamber. 2. Braking system for vehicles according to claim 1 , wherein the lip gasket is shaped so as to have a frustoconical body that tapers moving from a first face facing the first actuation chamber to a second face facing the second actuation chamber ...

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04-02-2016 дата публикации

ELECTRIC BRAKING SYSTEM WITH POWER CONSERVATION AND METHOD OF OPERATING THE SAME

Номер: US20160031553A1
Принадлежит:

A method of operating electric brakes () on an aircraft () in a low power mode of operation includes determining if the aircraft is in a first configuration, if the aircraft is in the first configuration, disengaging power to the electric brakes () the from all power supplies (), determining if the aircraft () is in a second configuration, if the aircraft is in the second configuration, engaging power to the electric brakes () from one of the power supplies (), determining if the aircraft () is in a third configuration, and if the aircraft () is in the third configuration, engaging power to the electric brakes () from at least two of the power supplies (). 1. A method of operating electric brakes on an aircraft in a low power mode of operation , comprising:determining if the aircraft is in a first configuration;if the aircraft is in the first configuration, disengaging power to the electric brakes from all power supplies;determining if the aircraft is in a second configuration;if the aircraft is in the second configuration, engaging power to the electric brakes from one of the power supplies;determining if the aircraft is in a third configuration; andif the aircraft is in the third configuration, engaging power to the electric brakes from at least two of the power supplies.2. The method of claim 1 , wherein the power supplies each are part of electrical motor control units.3. The method of claim 1 , wherein the first configuration is defined at least by an airspeed above a first threshold.4. The method of claim 3 , wherein the first configuration also is defined by at least one of status information for the aircraft claim 3 , landing gear position claim 3 , a landing gear handle UP condition claim 3 , and a landing gear retracted condition.5. The method of claim 3 , wherein the first configuration also is defined at least by a weight off wheels configuration.6. The method of claim 1 , wherein the second configuration is defined at least by an airspeed below a first ...

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24-04-2014 дата публикации

Device and Method for Controlling the Driving Dynamics of a Vehicle And Vehicle Having Such a Device

Номер: US20140114545A1
Принадлежит:

In a device and method for controlling the driving dynamics of a vehicle having a driver's cab spring mounted with respect to the vehicle frame, the yaw rate and deflection of the driver's cab are detected. A yaw rate sensor is arranged in the driver's cab, and the yaw rate of the vehicle frame is estimated or calculated from the yaw rate and deflection of the driver's cab. If the difference between the estimated or calculated yaw rate of the vehicle frame and a desired yaw rate exceeds a limit value, the brake system and/or the drive are actuated. 1. A device for regulating the driving dynamics of a vehicle having a driver's cab mounted resiliently with respect to a frame of the vehicle , the device comprising a steer angle sensor configured to measure a steer angle; a yaw rate sensor in the driver's cab and configured to measure a yaw rate of the driver's cab; a further sensor configured to determine a deflection of the driver's cab out of a reference position; and a control unit configured to evaluate the sensor signals from the steer angle , yaw rate and further sensors and to influence at least one of a brake system and a drive of the vehicle as a function of the sensor signals , the control unit being configured to at least one of estimate and calculate a yaw rate of the vehicle frame as a function of the measured yaw rate of the driver's cab and as a function of the deflection of the driver's cab out of its reference position , and to influence at least one of the brake system and the drive when the difference between the at least one of estimated and calculated yaw rate of the vehicle frame and a setpoint yaw rate determined by the control unit at least as a function of the measured steer angle and vehicle speed pertaining to the vehicle frame is above a predefined threshold value.2. The device according to claim 1 , wherein the further sensor is associated with one of a further control and regulation system of the vehicle that serves a function other than ...

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01-02-2018 дата публикации

SYSTEMS AND METHODS FOR BRAKE CONTROL

Номер: US20180029567A1
Автор: Cahill Eric
Принадлежит: GOODRICH CORPORATION

A brake system may comprise an inboard brake and an outboard brake. A primary control channel may include a primary outboard (POB) channel coupled to the outboard brake. The primary control channel may include a primary inboard (PIB) channel coupled to the inboard brake. A secondary control channel may include a secondary outboard (SOB) channel coupled to the outboard brake. The secondary control channel may include a secondary inboard (SIB) channel coupled to the inboard brake. The primary control channel may be in communication with the secondary control channel. 1. A brake system , comprising:an inboard brake and an outboard brake;a primary control channel including a primary outboard (POB) channel coupled to the outboard brake and a primary inboard (PIB) channel coupled to the inboard brake; anda secondary control channel including a secondary outboard (SOB) channel coupled to the outboard brake and a secondary inboard (SIB) channel coupled to the inboard brake, wherein the primary control channel is in communication with the secondary control channel.2. The brake system of claim 1 , wherein the primary control channel and the secondary control channel are configured to split control of the inboard brake and the outboard brake.3. The brake system of claim 1 , wherein the inboard brake is configured to receive a command from at least one of the PIB channel or the SIB channel.4. The brake system of claim 1 , wherein the outboard brake is configured to receive a command from at least one of the POB channel or the SOB channel.5. The brake system of claim 1 , further including:an inboard brake control unit (BCU) coupled to the inboard brake, wherein the inboard BCU includes the PIB channel and the SIB channel; andan outboard BCU coupled to the outboard brake, wherein the outboard BCU includes the POB channel and the SOB channel.6. The brake system of claim 5 , wherein the inboard BCU is disposed remotely from the outboard BCU.7. The brake system of claim 5 , wherein ...

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01-02-2018 дата публикации

TRAILER BRAKE PILOT CONTROL CIRCUIT AND METHOD OF CONTROL THEREOF

Номер: US20180029569A1
Принадлежит:

A braking system of a trailer and work machine includes a pressurized fluid supply, a hydraulic base valve fluidly coupled to the supply, and a pneumatic base valve fluidly coupled to the supply. A proportional control valve is also fluidly coupled to the supply, and it includes an outlet disposed in fluid communication with the inlets of the hydraulic base valve and the pneumatic base valve. The system further includes a hydraulic output configured to be fluidly coupled to a hydraulic braking system of a trailer, and a pneumatic output configured to be fluidly coupled to a pneumatic braking system of a trailer. The hydraulic output is fluidly coupled to the outlet of the hydraulic base valve, and the pneumatic output is fluidly coupled to the outlet of the pneumatic base valve. 1. A braking system of a trailer and work machine , comprising:a pressurized fluid supply;a hydraulic base valve fluidly coupled to the supply, the hydraulic base valve including an inlet and an outlet;a pneumatic base valve fluidly coupled to the supply, the pneumatic base valve including an inlet and an outlet;a proportional control valve fluidly coupled to the supply, the proportional control valve including an outlet disposed in fluid communication with the inlets of the hydraulic base valve and the pneumatic base valve;a hydraulic output configured to be fluidly coupled to a hydraulic braking system of a trailer, the hydraulic output fluidly coupled to the outlet of the hydraulic base valve; anda pneumatic output configured to be fluidly coupled to a pneumatic braking system of a trailer, the pneumatic output fluidly coupled to the outlet of the pneumatic base valve.2. The braking system of claim 1 , further comprising a solenoid valve disposed in fluid communication with the proportional control valve claim 1 , where the solenoid valve is movable between an open position in which the proportional control valve is fluidly coupled to the hydraulic base valve and pneumatic base valve ...

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01-02-2018 дата публикации

Pneumatic trailer brake circuit with breakaway detection and method thereof

Номер: US20180029570A1
Принадлежит: Deere and Co

A method of detecting a leak in an air trailer brake circuit of a trailer includes providing a controller, a base valve, a first sensor, a second sensor, a leak control valve having a solenoid, a pneumatic fluid supply, a first brake output, and a second brake output. The method further includes supplying a first pressure to an inlet of the base valve and outputting a second pressure from an outlet of the base valve. The first pressure is detected with the first sensor and the second pressure is detected with the second sensor. The method also includes communicating the detected first pressure and the second pressure to the controller, and comparing a difference between first pressure and the second pressure to a threshold. A leak is detected in the air trailer brake circuit if the difference satisfies the threshold.

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01-02-2018 дата публикации

DUAL LINE HYDRAULIC TRAILER BRAKE CONTROL CIRCUIT AND METHOD OF CONTROL THEREOF

Номер: US20180029571A1
Принадлежит:

A method of detecting a leak in a hydraulic trailer brake circuit of a trailer includes providing a controller, a base valve, a first sensor, a second sensor, a control valve having a solenoid, a reduction valve, a hydraulic fluid supply, a first brake output, and a second brake output. The method also includes supplying a first pressure to an inlet of the base valve and outputting a second pressure from an outlet of the base valve to the first brake output. The first pressure is detected by the first sensor and the second pressure is detected by the second sensor, and the detected first and second pressures are communicated to the controller. The difference between the first and second pressures are compared to a threshold, and a leak is detected in the hydraulic trailer brake circuit if the difference satisfies the threshold. 1. A method of detecting a leak in a hydraulic trailer brake circuit of a trailer , comprising:providing a controller, a base valve, a first sensor, a second sensor, a control valve having a solenoid, a reduction valve, a hydraulic fluid supply, a first brake output, and a second brake output;supplying a first pressure to an inlet of the base valve;outputting a second pressure from an outlet of the base valve to the first brake output;detecting the first pressure with the first sensor and the second pressure with the second sensor;communicating the detected first pressure and the second pressure to the controller;comparing a difference between first pressure and the second pressure to a threshold; anddetecting a leak in the air trailer brake circuit if the difference satisfies the threshold.2. The method of claim 1 , further comprising de-energizing the solenoid of the control valve via the controller if the difference satisfies the threshold.3. The method of claim 1 , further comprising actuating the control valve to a closed position if the difference satisfies the threshold.4. The method of claim 1 , further comprising supplying an amount ...

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01-02-2018 дата публикации

Hydraulic trailer brake circuit for adjustable gain and improved stability

Номер: US20180029572A1
Принадлежит: Deere and Co

A braking system of a work machine includes a pressurized fluid supply, a base valve fluidly coupled to the supply, a proportional control valve fluidly coupled to the supply, and a fluid output configured to be fluidly coupled to a braking system of a trailer. A first fluid path is selectively fluidly coupling the supply to the fluid output via the base valve, and a second fluid path is selectively fluidly coupling the supply to the fluid output via the proportional control valve. The base valve includes a predefined fixed gain and the proportional control valve includes an adjustable ratio.

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29-01-2015 дата публикации

RAIL VEHICLE BRAKING DEVICE AND METHOD FOR BRAKING A RAIL VEHICLE

Номер: US20150032302A1
Принадлежит:

A rail vehicle braking device has at least one electrodynamic brake, which comprises a drive unit, which has at least one drive motor and a power supply unit for supplying the drive motor when the drive unit is in a traction mode. The rail vehicle braking device has at least two brake control units in order to increase the safety of the electrodynamic brake. In a first braking mode, a first brake control unit in an active state controls the power supply unit for providing a braking effect, a first brake effect monitoring unit and a switching unit, which serves to switch, depending on a brake effect parameter in the first braking mode, into a second braking mode, in which the second brake control unit in an active state controls the power supply unit for providing a brake effect. 114-. (canceled)15. A rail vehicle braking device , comprising:at least one electrodynamic brake having a drive unit with at least one drive motor and a power supply unit for supplying power to said at least one drive motor in a traction mode of said drive unit;at least two braking control units including a first braking control unit and a second braking control unit;wherein, in a first braking mode, said first braking control unit, in an active state, controls said power supply unit to provide a braking effect;a first braking effect monitoring unit and a switching unit configured for, depending on a braking effect characteristic quantity in the first braking mode, switching over to a second braking mode, in which said second braking control unit, in an active state, controls said power supply unit to provide a braking effect.16. The rail vehicle braking device according to claim 15 , wherein said first braking control unit is inactive in the second braking mode.17. The rail vehicle braking device according to claim 15 , wherein the first braking effect monitoring unit is used for monitoring the first braking control unit claim 15 , and in that at least one second braking effect monitoring ...

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01-02-2018 дата публикации

Method for detecting an inclination of a wheel relative to the horizontal

Номер: US20180030910A1

Disclosed is a method for detecting an inclination, relative to the ground, of a wheel of a motor vehicle which includes: —measuring two accelerations by using two accelerometers mounted on the wheel and suitable for measuring the acceleration of the wheel along a first axis and along a second axis, respectively, the first axis and the second axis being in the plane of the wheel and orthogonal, and —calculating the components of a gravity vector in a reference frame formed by the first axis and the second axis from the measurements of acceleration, —determining a modulus of the gravity vector from the calculated components, and —determining a position of inclination of the wheel relative to the ground by comparing the value of the modulus of the gravity vector with a predetermined value.

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17-02-2022 дата публикации

PRESSURE EQUALIZATION VALVE

Номер: US20220048485A1
Принадлежит:

A pressure equalization valve arrangement for a rail brake system includes a hold valve and a membrane vent valve each having a control chamber. The hold valve and vent valve are piloted by a respective solenoid valve. A further solenoid valve is connected to the control chamber of the vent valve to allow the pressure across the vent valve membrane to be equalized with the brake cylinder pressure to decrease the pressure difference across the membrane. This results in an improved vent time. 1. A brake valve arrangement for a rail brake system configured to control air flow to brake cylinders , the arrangement comprising:a hold membrane valve; anda vent membrane valve, wherein the hold vale and the vent valve each have a control chamber, wherein the hold membrane valve and vent membrane valve are piloted by respective solenoid valves; anda further solenoid valve connected to the control chamber of the vent membrane valve to enable equalization of the pressure across the vent valve membrane with the brake cylinder pressure to decrease a pressure difference across the vent valve membrane.2. The brake valve of claim 1 , wherein the further solenoid is in fluid communication with the outlet of the hold membrane valve.3. The brake valve of claim 1 , wherein the further solenoid is in fluid communication with an inlet of the vent solenoid.4. The brake valve of claim 1 , wherein the further solenoid valve receives the brake cylinder pressure.5. The brake valve of claim 1 , wherein claim 1 , to release the brakes in use claim 1 , the hold valve membrane is held closed by applying the supply pressure to the control chamber of the hold membrane valve and by energising the hold solenoid valve claim 1 , and wherein the brake pressure in a brake cylinder is vented to atmosphere by exhausting the vent membrane valve control chamber by energising the vent solenoid valve.6. The brake valve of claim 1 , wherein claim 1 , in use claim 1 , to hold the pressure in the brake cylinder ...

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17-02-2022 дата публикации

BRAKE CONTROL VALVE ARRANGEMENT

Номер: US20220048486A1
Принадлежит:

A brake control valve arrangement for controlling application of a braking force includes an electro-pneumatic brake control valve block including a hold valve and a vent valve (PRESSURE CONTROLLER), a main regulator valve (RELAY VALVE) and an emergency and a variable load control pressure regulator. The valve block has an inlet for a brake supply pressure, and an outlet in pneumatic connection with a brake cylinder. A pilot pressure into the main regulator valve from the variable load control pressure regulator is controlled by a remote release solenoid valve (CONTROL CHAMBER VENT MAGNET VALVE). The remote release solenoid valve adapted to vent brake cylinder pressure to atmosphere when de-energized thereby enabling release of the wheel braking force via the main regulator valve. 1. A brake control valve arrangement for controlling application of a braking force in a rail vehicle , the arrangement comprising:an electropneumatic brake control valve block that includes a hold valve and a vent valve, a main regulator valve and an emergency and a variable load control pressure regulator,wherein the valve block has an inlet for a brake supply pressure, and an outlet in pneumatic connection with a brake cylinder for applying braking force,wherein an electronic control unit is provided for controlling actuation of one or more solenoid valves controlling pneumatic flow in the arrangement, andwherein a pilot pressure into the main regulator valve from the variable load control pressure regulator is controlled by a solenoid, which, when de-energised, enables release of the braking force by venting of brake cylinder pressure to atmosphere.2. The brake control valve arrangement of claim 1 , wherein the electronic control unit provides a signal to release the solenoid in response to detection of a fault in the brake control valve arrangement.3. The brake valve arrangement of claim 1 , wherein the arrangement further comprises an inlet for an indirect brake pressure which is ...

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01-02-2018 дата публикации

Wheel speed detecting device, and ring to be detected

Номер: US20180031595A1
Принадлежит: Honda Motor Co Ltd

A pulsar ring which is a detection target ring includes an annular base wall having pickup holes and a plurality of ring attachment portions protruding from an outer peripheral edge portion of the base wall and being fixed, together with a disc attachment portion of a brake disc, to a wheel of a vehicle wheel assembly. Regions corresponding to positions between adjacent ring attachment portions in an inner peripheral edge portion of the base wall are bent to form reinforcing ribs.

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31-01-2019 дата публикации

FAILSAFE SYNTHETIC ANGLE GENERATION ALGORITHM FOR AIRCRAFT ELECTRIC BRAKING SYSTEM

Номер: US20190031170A1
Принадлежит: GOODRICH CORPORATION

A controller for a brake may comprise an error detector configured to determine an error in a motor angular position signal and a synthetic angle generator configured to generate a synthetic motor angular position signal. The controller may control an actuator motor via the synthetic motor angular position signal in response to the error in the motor angular position signal being determined. In various embodiments, the synthetic motor angular position may cause the controller to retract an electromechanical brake actuator. 1. A controller for an electromechanical brake actuator (EBA) , comprising:an error detector configured to determine an error in a motor angular position signal; anda synthetic angle generator configured to generate a synthetic motor angular position signal,wherein the controller controls an actuator motor via the synthetic motor angular position signal in response to the error in the motor angular position signal being detected.2. The controller of claim 1 , wherein the motor angular position signal is replaced with the synthetic motor angular position signal in response to the error being determined.3. The controller of claim 2 , wherein the synthetic motor angular position signal causes the actuator motor to retract the EBA.4. The controller of claim 3 , wherein the EBA is disabled in response to the retraction.5. The controller of claim 4 , wherein the synthetic motor angular position signal comprises a time-varying angular position.6. The controller of claim 5 , wherein the controller is for an electromechanical brake.7. A brake arrangement claim 5 , comprising:an actuator motor;a controller in electronic communication with the actuator motor; anda tangible, non-transitory memory configured to communicate with the controller, the tangible, non-transitory memory having instructions stored thereon that, in response to execution by the controller, cause the controller to perform operations comprising:receiving, by the controller, a motor angular ...

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31-01-2019 дата публикации

BRAKE CONTROL DEVICE FOR ELECTRIC VEHICLE

Номер: US20190031214A1
Принадлежит: Mitsubishi Electric Corporation

A variable load calculator calculates a variable load command VL based on AS pressure and a predetermined table. A vehicle deceleration calculator calculates vehicle deceleration α based on a brake notch command BN and a predetermined table. A required braking force calculator calculates required braking force BL by multiplying a weight indicated by the variable load command VL and the vehicle deceleration α. An electric braking controller calculates an electric braking pattern in accordance with the required braking force BL and then transmits the electric braking pattern to an inverter controller. The electric braking controller calculates an electric braking force produced by operation of the electric motor and then transmits to a subtractor as feedback BT the electric braking force adjusted in accordance with a speed of the electric motor. The subtractor transmits to a mechanical brake as a mechanical braking command a result obtained by subtracting the feedback BT from the required braking force BL. 1. A brake control device for electric vehicle , wherein the brake control device for electric vehicle is to be mounted on a vehicle driven by an electric motor , the brake control device for electric vehicle comprising:a required braking force calculator to calculate a required braking force based on a deceleration of the vehicle included in a braking instruction and a weight of the vehicle, the required braking force being a braking force required for obtaining the deceleration;an electric braking force calculator to calculate electric braking force generated by operation of the electric motor; andan adjuster toadjust the electric braking force calculated by the electric braking force calculator to a smaller value when the speed of the electric motor is equal to or smaller than a threshold, andoutput the adjusted electric braking force.2. (canceled)3. The brake control device for electric vehicle according to claim 1 , whereinthe adjuster outputs the electric ...

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30-01-2020 дата публикации

CONTROLLER OF MOTORCYCLE BRAKE SYSTEM, MOTORCYCLE BRAKE SYSTEM, AND CONTROL METHOD OF MOTORCYCLE BRAKE SYSTEM

Номер: US20200031325A1
Автор: lwatsuki Junya
Принадлежит:

A controller and a control method of a motorcycle brake system capable of meeting requests of downsizing, cost cut, simplification, and the like, and a motorcycle brake system including such a controller are obtained. 16010. A controller () of a motorcycle brake system () ,{'b': '10', 'the motorcycle brake system () including{'b': 11', '13', '100, 'brake operators (, ) that are provided in a motorcycle (); and'}{'b': 12', '14', '3', '4', '100, 'wheel braking assemblies (, ) that brake wheels (, ) of the motorcycle (),'}{'b': '60', 'the controller () comprising{'b': 61', '100', '11', '13', '12', '14', '3', '4', '12', '14', '11', '13, 'a brake operation execution section () that initiates a braking force suppression operation in states where the motorcycle () makes a turn and input to each of the brake operators (, ) is increased, the braking force suppression operation being executed to increase braking forces, which are generated by the wheel braking assemblies (, ), in a smaller positive gradient (G) than the positive gradient in a case where the braking forces on the wheels (, ), which are generated by the wheel braking assemblies (, ), depend only on the input to the brake operators (, ); and'}{'b': '65', 'a positive gradient setting section () that sets the positive gradient (G) in the braking force suppression operation,'}{'b': 61', '65, 'the brake operation execution section () initiating the braking force suppression operation in the positive gradient (G), which is set by the positive gradient setting section () when an initiation reference is satisfied,'}{'b': '60', 'the controller () further comprising{'b': 62', '100, 'a lean angle obtainment section () that obtains a lean angle (A) during turning of the motorcycle (), wherein'}{'b': 65', '62, 'the positive gradient setting section () sets the positive gradient (G) that corresponds to the lean angle (A) obtained by the lean angle obtainment section () as the positive gradient (G) in the braking force ...

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30-01-2020 дата публикации

BRAKING SYSTEM

Номер: US20200031326A1
Автор: HENRIKSSON Tuomas
Принадлежит:

A system for braking a trailer towed by a tow vehicle. The system includes a signalling means for generating an electrical signal based on an action applied by a driver to a brake operating unit. Further, the system includes means for determining weight of the trailer and a brake control unit. Yet further, the system includes a communication means for providing the electrical signal from the signalling means to the brake control unit. The brake control unit being configured to use the determined weight of the trailer to obtain a gain value, calculate a braking power signal value using the electrical signal and the gain value and provide a braking power control signal to an electric braking unit of a wheel of the trailer, based on the braking power signal value. 2. A system according to claim 1 , where in the gain value is obtained using a predetermined function or a look-up table stored in a memory of the brake control unit.3. A system according to claim 2 , wherein the predetermined function for obtaining the gain value is dividing the determined weight by a reference value.4. A system according to claim 3 , wherein the reference value is pre-set in the brake control unit and is equal to sum of the weight of an empty trailer and a weight of a maximum allowed load.5. A system according to claim 1 , wherein the signalling means for generating the electrical signal is a sensor attachable to the brake operating unit of the tow vehicle claim 1 , and generation of the electrical signal is based oninformation from an antilock-braking system of the tow vehicle, ora pressure reading from a brake system of the tow vehicle.6. A system according to claim 1 , wherein the brake control unit is arrangeable in the trailer.7. A system according to claim 1 , wherein the means for determining weight of the trailer is selected from a load sensor attachable to a suspension system of the trailer claim 1 , a force sensor attachable to a suspension system of the trailer claim 1 , an air ...

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04-02-2021 дата публикации

HYDRAULIC PRESSURE CONTROL UNIT, BRAKING SYSTEM, AND BICYCLE

Номер: US20210031868A1
Принадлежит:

A hydraulic pressure control unit where a degree of freedom in connection to a bicycle is improved is provided. A braking system including such a hydraulic pressure control unit is also provided. A bicycle including such a braking system is also provided. 1110100200. A hydraulic pressure control unit () of a braking system () mounted on a bicycle () and capable of executing an antilock braking control , the hydraulic pressure control unit comprising:{'b': 120', '123, 'a base body () in which an internal flow path () through which brake liquid flows is formed;'}{'b': 131', '120', '131, 'an inlet valve () which is attached to the base body (), is opened and closed when the antilock braking control is executed, and is driven by a first coil (A);'}{'b': 132', '120', '132, 'an outlet valve () which is attached to the base body (), is opened and closed when the antilock braking control is executed, and is driven by a second coil (A);'}{'b': 136', '131', '132, 'a coil casing () in which the first coil (A) and the second coil (A) are accommodated; and'}{'b': '139', 'a fixing member (),'}{'b': 139', '136', '155', '151', '136', '152', '139', '139', '120', '155', '153', '120', '152', '139, 'wherein the fixing member () is joined to the coil casing () in a state where a columnar space () with both ends opened is formed between a partial region () of an outer surface of the coil casing () and a partial region () of an outer surface of the fixing member (), or the fixing member () is joined to the base body () in a state where a columnar space () with both ends opened is formed between a partial region () of an outer surface of the base body () and the partial region () of the outer surface of the fixing member ().'}2. The hydraulic pressure control unit according to claim 1 , wherein{'b': 131', '132', '155, 'the first coil (A) and the second coil (A) are arranged side by side along a direction (D) in which the columnar space () extends.'}3135131132. The hydraulic pressure ...

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05-02-2015 дата публикации

Method and device for communicating true runway braking performance using data from the flight data management systems of landed aircraft

Номер: US20150039200A1
Автор: Rado Zoltan Ivan
Принадлежит: Aviation Safety Technologies, LLC

A computer network for calculating a value for the true braking coefficient of friction for an aircraft runway or taxiway using data from one or more aircraft's flight data recorders or flight data management systems, and reporting the calculated value information to individuals and agencies including air traffic control, airport operations and maintenance, and aircraft pilots and ground crews is described and claimed herein. The data may be obtained in real-time by either an onboard or an off-aircraft high-power computing system, calculating the aircraft's true braking coefficient of friction, and reporting the calculated information to the individuals and agencies. 1. A computer network for calculating and distributing a true aircraft braking friction coefficient of an aircraft runway or aircraft taxiway , comprising:(A) A computer for obtaining aircraft property data directly or indirectly from an aircraft, wherein the aircraft property data comprises data pertaining to one or more of the following aircraft properties measured at various times for the aircraft: aircraft ground speed, aircraft brake pressure, aircraft longitudinal acceleration, aircraft engine thrust setting, aircraft reverse thrust setting, aircraft engine revolutions per minute, aircraft air speed, aircraft vertical acceleration, aircraft spoiler setting, aircraft airbrake setting, aircraft aileron setting, aircraft flap configuration, aircraft pitch, and aircraft autobrake setting; and(B) Wherein the computer calculates the true aircraft braking friction coefficient of the aircraft runway or aircraft taxiway using at least some of the aircraft property data obtained by the computer.2. The computer network for calculating and distributing the true aircraft braking friction coefficient of the aircraft runway or aircraft taxiway of wherein the computer is located on the aircraft.3. The computer network for calculating and distributing the true aircraft braking friction coefficient of the aircraft ...

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11-02-2016 дата публикации

Independent brake control of a common aircraft gear

Номер: US20160039396A1
Автор: Eric D. CAHILL
Принадлежит: Goodrich Corp

A brake control system for a landing gear of an aircraft is provided. The system includes a first control channel for providing brake control signals to one or more brakes on the landing gear, and a second control channel for providing brake control signals to another one or more brakes on the landing gear. At least one of the first control channel and the second control channel is configured to act as an executive in monitoring braking efforts applied by the one or more brakes as compared to braking efforts applied by the another one or more brake, and to cause the braking efforts of at least one of the one or more brakes or the another one or more brakes to be modified in an effort to equalize the braking efforts.

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08-02-2018 дата публикации

BRAKE CONTROL DEVICE OF RAILCAR

Номер: US20180037120A1
Принадлежит: KAWASAKI JUKOGYO KABUSHIKI KAISHA

A brake control device of a railcar includes: a brake switching portion configured to perform switching from an operation of an electric brake device to an operation of a mechanical brake device when a switching monitoring speed obtained from a wheelset speed becomes less than a switching threshold; and an adhesion control portion configured to, when the brake switching portion performs the switching, control at least one of the electric brake device and the brake switching portion to cause a wheel to adhere to a rail. 1. A brake control device of a railcar ,the brake control device being a device configured to control an electric brake device and mechanical brake device of the railcar,the brake control device comprising:a brake switching portion configured to perform switching from an operation of the electric brake device to an operation of the mechanical brake device when a switching monitoring speed obtained from a wheelset speed becomes less than a switching threshold; andan adhesion control portion configured to, when the brake switching portion performs the switching, control at least one of the electric brake device and the brake switching portion to cause a wheel to adhere to a rail.2. The brake control device according to claim 1 , wherein the adhesion control portion includes a braking torque control portion configured to reduce braking torque of the electric brake device when the switching monitoring speed becomes less than a braking torque reduction threshold that is larger than the switching threshold.3. The brake control device according to claim 1 , wherein the adhesion control portion includes a setting portion configured to:when a switching permission condition including a condition that the wheel is in a predetermined adhesion state with respect to the rail is established, set a permitting state of permitting the switching performed by the brake switching portion; andwhen the switching permission condition is not established, set a not-permitting ...

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08-02-2018 дата публикации

Method for Increasing the Operational Safety of Functional Parts of a Vehicle Brake Exposed to Thermal Stress

Номер: US20180037210A1
Принадлежит:

A method is provided for increasing the operational safety of at least one thermally stressed functional part of at least one vehicle brake, in particular of a commercial vehicle and/or a trailer, and/or for reducing brake wear and/or drive power, wherein the method has the following steps: inputting a temperature signal of the at least one brake, which temperature signal represents at least one temperature of the brake and/or of a functional part of the brake detected by at least one sensor, and inputting a brake request signal and/or brake pressure signal for the at least one brake; determining a thermal error condition by using the temperature signal and the brake requirement signal and/or brake pressure signal; and providing an adapted brake requirement signal and/or adapted brake pressure signal using the determined thermal error condition in order to increase the operational safety of the at least one functional part of the at least one vehicle brake exposed to thermal stress, and/or to reduce the brake wear and/or the drive power. 1. A method for increasing operational reliability of at least one thermally stressed functional part of at least one brake of a vehicle , wherein the method comprises the steps of:(a) reading-in a temperature signal of the at least one brake, which temperature signal represents at least one temperature of the brake and/or of a functional part of the brake which is detected by at least one sensor, and reading-in a braking request signal and/or a brake pressure signal for the at least one brake;(b) determining a thermal fault situation when using the temperature signal and the braking request signal and/or the brake pressure signal; and(c) supplying an adapted braking request signal and/or adapted brake pressure signal using the determined thermal fault situation, in order to increase the operational reliability of the at least one thermally stressed functional part of the at least one brake.2. The method as claimed in claim 1 , ...

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24-02-2022 дата публикации

SYSTEMS AND METHODS FOR PRESSURE CONTROL MIXED MODE FOR BRAKING OPERATION

Номер: US20220055600A1
Автор: Georgin Marc, Hill Philip
Принадлежит: GOODRICH CORPORATION

A brake control system of the present disclosure calibrates a servo valve and calculates a calibrated transfer function associated with the servo valve for precise braking in open-loop mode. The calibration steps may include determining i) whether an aircraft is on a ground surface, ii) whether the aircraft is not moving relative to the ground surface, and iii) whether braking is applied to a brake system of the aircraft. The brake control unit may calibrate the servo valve in response to the brake control unit determining that i) the aircraft is on the ground surface, ii) the aircraft is not moving relative to the ground surface, and iii) the braking is not applied to the brake system of the aircraft. The calibration process includes sending two or more test currents to the servo valve, and determining braking pressures associated with those test currents to calculate the transfer function. 1. A brake control system , comprising:a servo valve configured to receive a hydraulic fluid and provide the hydraulic fluid to apply a braking force to a wheel via a hydraulic line; anda brake control unit in electronic communication with the servo valve; determine whether an aircraft is on a ground surface and not moving relative to the ground surface;', 'determine whether braking is applied to a brake system of the aircraft; and', 'calibrate the servo valve in response to the brake control unit determining that i) the aircraft is on the ground surface, ii) the aircraft is not moving relative to the ground surface, and iii) the braking is not applied to the brake system of the aircraft., 'wherein the brake control unit is configured to2. The brake control system of claim 1 , wherein the calibrating comprises:sending, by the brake control unit, a first electric current to the servo valve; anddetermining, by the brake control unit, a first pressure applied to the brake system via the servo valve, in response to the first electric current being sent to the servo valve.3. The ...

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07-02-2019 дата публикации

Electronic control units, vehicles, and methods for controlling trailer brake output circuits based on vehicle wheel abs statuses

Номер: US20190039580A1

Electronic control units, vehicles, and methods for controlling trailer brake output circuits based on vehicle wheel ABS statuses are disclosed. An electronic control unit for controlling a trailer brake output circuit based on vehicle wheel ABS statuses is configured to determine a first vehicle wheel ABS status, determine a second vehicle wheel ABS status, and control the trailer brake output circuit based on the first vehicle wheel ABS status and the second vehicle wheel ABS status. The first vehicle wheel ABS status is indicative of whether braking of a first vehicle wheel is being controlled in accordance with a vehicle ABS mode. The second vehicle wheel ABS status is indicative of whether braking of a second vehicle wheel is being controlled in accordance with the vehicle ABS mode.

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07-02-2019 дата публикации

CONTROLLER OF BRAKE SYSTEM FOR MOTORCYCLE, BRAKE SYSTEM FOR MOTORCYCLE, AND CONTROL METHOD OF BRAKE SYSTEM FOR MOTORCYCLE

Номер: US20190039581A1
Автор: lwatsuki Junya
Принадлежит:

A controller and a control method of a brake system for a motorcycle are obtained, the controller and the control method capable of improving behavior stability of a motorcycle at a time when a road surface is a steep upward slope. The invention also obtains a brake system for a motorcycle that includes such a controller. 1. A controller of a brake system for a motorcycle ,the brake system for a motorcycle including:a first brake operation section that is provided on a handlebar of the motorcycle;a front-wheel brake mechanism that brakes a front wheel of the motorcycle in an interlocking manner with at least the first brake operation section;a second brake operation section that is provided on a trunk of the motorcycle; anda rear-wheel brake mechanism that brakes a rear wheel of the motorcycle in an interlocking manner with at least the second brake operation section,the controller comprising: a brake action control section that at least governs an action of the rear wheel brake mechanism,the controller further comprising:a brake operation determination section that determines presence or absence of a user's operation of the first brake operation section; anda slip-down determination section that determines whether the motorcycle is in a slip-down state where the motorcycle travels backward while the front wheel is braked, whereinin the cases where the brake operation determination section determines that the user's operation of the first brake operation section is present and the slip-down determination section determines that the motorcycle is in the slip-down state when a road surface is an upward slope, the brake action control section executes an emergency control action that causes the rear-wheel brake mechanism to generate a braking force that brakes the rear wheel.2. The controller of the brake system for a motorcycle according to claim 1 , whereinthe front-wheel brake mechanism includes a master cylinder, andthe brake operation determination section ...

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07-02-2019 дата публикации

SYSTEMS, VEHICLES, AND METHODS FOR CONTROLLING TRAILER BRAKE OUTPUT CIRCUITS WITH A REDUCED UPPER LIMIT OF TRAILER BRAKE OUTPUT SIGNALS

Номер: US20190039582A1

A system for controlling a trailer brake output circuit includes an input device outputting a signal in response to receiving an input from a user, and an electronic control unit. The electronic control unit includes one or more processors, one or more memory modules, the trailer brake output circuit outputting a trailer brake output signal, and machine readable instructions. The electronic control unit receives the signal from the input device, limits the trailer brake output signal to a first value when the trailer brake output circuit outputs the trailer brake output signal in response to the signal received from the input device, and limits the trailer brake output signal to a second value when the trailer brake output circuit outputs the trailer brake output signal not in response to the signal received from the input device. The second value is smaller than the first value. 1. A system for controlling a trailer brake output circuit , the system comprising:an input device configured to output a signal in response to receiving an input from a user; and one or more processors;', 'one or more memory modules communicatively coupled to the one or more processors;', 'the trailer brake output circuit communicatively coupled to the one or more processors, wherein the trailer brake output circuit is configured to output a trailer brake output signal; and', receive the signal from the input device, the signal being associated with the input from the user;', 'limit the trailer brake output signal to a first value when the trailer brake output circuit outputs the trailer brake output signal in response to the signal received from the input device; and', 'limit the trailer brake output signal to a second value when the trailer brake output circuit outputs the trailer brake output signal independent of the signal received from the input device, the second value being smaller than the first value., 'machine readable instructions stored in the one or more memory modules that ...

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06-02-2020 дата публикации

A SENSOR ARRANGEMENT AND A METHOD FOR DETECTING AN OBJECT AROUND A TRAILER OF A VEHICLE

Номер: US20200039483A1
Принадлежит:

A sensor arrangement for detecting an object in a surrounding of a trailer when towed by a vehicle, the sensor arrangement including: at least one sensor mountable at a rear side of the vehicle with a field of view underneath the trailer and configured to capture a detection signal from the object; and a control unit configured to receive a sensor signal from the at least one sensor, wherein the sensor signal is indicative of the object and the control unit is configured to confirm a presence of the object behind or at a side of the trailer. 113-. (canceled)14. A sensor arrangement for detecting an object in a surrounding of a trailer when towed by a vehicle , comprising:at least one sensor mountable at a rear side of the vehicle with a field of view underneath the trailer and configured to capture a detection signal from the object; anda control unit configured to receive a sensor signal from the at least one sensor, wherein the sensor signal is indicative of the object and the control unit is configured to confirm a presence of the object behind or at a side of the trailer.15. The sensor arrangement of claim 14 , wherein the control unit is configured to alert a driver or an autonomous driving management system of the vehicle about the presence of the object behind or at a side of the trailer.16. The sensor arrangement of claim 14 , wherein the control unit is configured to determine a distance from the object to the rear side of the vehicle or to the rear side of the trailer.17. The sensor arrangement of claim 14 , wherein the control unit is configured to distinguish sensor signals received from components of the trailer and the detection signal received from the object claim 14 , and is configured to ignore sensor signals received from the components of the trailer when confirming the presence of the object.18. The sensor arrangement of claim 14 , wherein the control unit is configured to detect the trailer itself or one of its components.19. The sensor ...

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06-02-2020 дата публикации

TRAILER BRAKE CONTROLLER (TBC) FAILSAFE USING DETECTION CAMERA

Номер: US20200039487A1
Автор: Prabhakar Varun J.
Принадлежит:

Systems and methods enable a failsafe for a trailer brake controller (TBC), by using a camera to detect braking of the towing vehicle. The methods can include using a vehicle-facing camera mounted to a trailer to detecting light emitted from rear brake lights at the towing vehicle. Then, the methods can determine whether the brakes of the towing vehicle are being engaged, based on the light detected by the vehicle-facing camera. Also, a TBC failure can be determined, and as a result, a trailer brake activation signal can be communicated at the trailer side, as a failsafe to activate the brakes of the trailer. 1. A method comprising:monitoring one or more rear brake lights of a vehicle with a vehicle-facing camera operatively attached to a rear section of the vehicle, and arranged such that the vehicle-facing camera captures activation of the one or more rear brake lights;detecting light emitted from the one or more rear brake lights of the vehicle by the vehicle-facing camera;determining whether the emitted light is indicative of a vehicle braking condition; and upon determining that the emitted light is indicative of the vehicle braking condition,providing a trailer brake activation signal from a controller to engage the brakes of the trailer.2. The method of claim 1 , wherein determining the vehicle braking condition comprises detecting light emitted from two or more rear brake lights of the vehicle claim 1 , and light emitted from a third brake light of the vehicle.3. The method of claim 1 , wherein providing the trailer brake activation signal comprises a triggering by the vehicle-facing camera which occurs in the event of a functioning communicative coupling between a trailer brake controller at the vehicle and the trailer claim 1 , or in the event of a malfunctioning communicative coupling between the trailer brake controller at the vehicle and the trailer.4. The method of claim 3 , wherein the triggering by the vehicle-facing camera serves as a primary ...

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06-02-2020 дата публикации

Vehicle control device, vehicle control method and program

Номер: US20200039489A1

A powering pattern representing velocity of a vehicle at each position of a powering interval in a braking delay period between a timing at which the vehicle exceeds allowable velocity and a braking timing at which the vehicle starts to brake, and a coasting pattern representing velocity of the vehicle at each position of a coasting interval subsequent to the powering interval in the braking delay period are calculated after calculating a braking pattern representing velocity of the vehicle in a braking interval, which is a running interval subsequent to the coasting interval and which occurs between a position of the vehicle at the braking timing and a target position for controlling the vehicle to run at predetermined velocity or less, wherein an acceleration characteristic depending on velocity of the vehicle is used to calculate at least the powering pattern.

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12-02-2015 дата публикации

LOCATION ASSISTED MACHINE RETARDING CONTROL SYSTEM

Номер: US20150046052A1
Автор: JENSEN Jeffrey Edward
Принадлежит: CATERPILLAR INC.

A retarding control system for a machine is disclosed. The retarding control system may include a locator, configured to sense a location of the machine. Additionally, the retarding control system may include a sensing system configured to sense at least one a parameter indicative of a retarding of the machine. The retarding control system may also include a retarding system configured to retard the machine and a braking system configured for braking the machine. The retarding control system may also have a map configured to store at least one known retarding condition and at least one known retarding location. Further, the retarding control system may include a controller. The controller can be in communication with the locator, the sensing system, the retarding system, the braking system and the map. The controller may be configured to update the map based on the location, and the retarding condition. 1. A location assisted machine retarding control system for a machine , comprising:a locator, configured to sense a location of the machine;a sensing system configured to sense one or more parameters indicative of a retarding condition of the machine;a retarding system configured to retard the machine;a braking system configured for braking the machine;a map configured to store at least one known retarding condition and at least one known retarding location, anda controller, in communication with the locator, the sensing system, the retarding system, the braking system, and the map, configured to update the map based on the location, and the retarding condition.2. The location assisted machine retarding control system of claim 1 , wherein the controller alerts an operator of the machine of the at least one known retarding location and the at least one known retarding condition stored on the map.3. The location assisted machine retarding control system of claim 1 , wherein the sensing system determines a proportional degree of retarding of the retarding system and ...

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18-02-2021 дата публикации

SYSTEMS AND METHODS FOR INTELLIGENTLY ENGAGING MULTIPLE BRAKES

Номер: US20210046911A1
Принадлежит:

A system for multiple brakes intelligently controlled by a single brake input on a personal mobility vehicle. By determining a front and rear brake differential based on the position and weight of the rider as well as the environmental and vehicle conditions, the system may reduce the risk of the vehicle skidding or tipping due to over-braking. In some embodiments, a rider may use a single brake lever to indicate a desire to brake and the system may make determinations about how to apply a combination of mechanical and electrical brakes to front and back wheels. By applying different braking systems based on a combination of controls and sensors, the system may improve user experience and user safety, especially for inexperienced riders. 1. A system comprising:a front brake and a rear brake of a personal mobility vehicle;a single brake lever that is configured to, in response to receiving input, initiate engagement of the front brake and the rear brake;a sensor that detects a condition affecting braking of the personal mobility vehicle; and determines a first brake force to be applied to the front brake and a second brake force to be applied to the rear brake based at least in part on the condition affecting the braking of the personal mobility vehicle; and', 'engages the front brake by applying the first brake force and the rear brake by applying the second brake force., 'a controller that2. The system of claim 1 , wherein the controller determines the first brake force to be applied to the front brake and the second brake force to be applied to the rear brake by determining a distribution differential between the first brake force and the second brake force.3. The system of claim 1 , wherein the controller is further configured to increase the second brake force by:determining that a weight of a rider of the personal mobility vehicle is distributed toward a front of the personal mobility vehicle; andincreasing the second brake force to be applied to the rear brake ...

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18-02-2021 дата публикации

System and Method for Controlling Wheel Brakes in a Vehicle Platooning With Another Vehicle

Номер: US20210046912A1
Принадлежит:

A system for controlling wheel brakes in a first vehicle platooning with a second vehicle includes a transceiver in the first vehicle that receives a brake command from the second vehicle to apply a wheel brake in the first vehicle. A controller in the first vehicle generates, responsive to the brake command, a first set of control signals that control delivery of fluid pressure to the wheel brake and implement a braking event. The controller may further detect a wheel slip condition indicative of slip in a wheel of the first vehicle during the braking event and generate, when the condition occurs, a second set of control signals to control delivery of fluid pressure to the wheel brake. The control signals are generated in accordance with braking profiles that differ from braking profiles used by the controller during braking events occurring in the absence of the brake command. 1. A system for controlling wheel brakes in a first vehicle in a platoon with a second vehicle , comprising:a transceiver configured for mounting in the first vehicle and configured to receive a brake command signal to apply a wheel brake in the first vehicle from the second vehicle in the platoon; and, receive the brake command signal from the transceiver; and,', 'generate, responsive to the brake command signal, a first set of control signals to control delivery of fluid pressure to the wheel brake and implement a braking event in accordance with a first normal braking profile wherein the first normal braking profile differs from a second normal braking profile used by the controller during braking events occurring in the absence of the brake command signal., 'a controller configured for mounting in the first vehicle and configured to'}2. The system of wherein the controller is further configured to:detect a wheel slip condition indicative of slip in a wheel of the first vehicle during the braking event; and,generate, when the wheel slip condition occurs, a second set of control signals to ...

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18-02-2021 дата публикации

SYSTEM AND METHOD FOR FILLING A TRAILER RESERVOIR

Номер: US20210046914A1
Принадлежит:

A controller on a tractor portion of an articulated vehicle includes an electrical input port adapted to receive an electrical input signal based on a command to unpark a trailer portion of the articulated vehicle and an electronic processor adapted to: receive the electrical input signal from the electrical input port; identify, based on the electrical input signal, when the command to unpark the trailer is received at the electrical input port; and based on the command to unpark the trailer, transmit an electrical output signal to an electrical output port for causing supplemental compressed air to be communicated from the tractor to the trailer for filling an air tank on the trailer using a quick-fill mode. 1. A controller on a tractor portion of an articulated vehicle , the controller comprising:an electrical input port adapted to receive an electrical input signal based on a command from an associated trailer park control valve to unpark a trailer portion of the articulated vehicle; receive the electrical input signal from the electrical input port;', 'identify, based on the electrical input signal, when the command to unpark the trailer is received at the electrical input port; and', 'based on the command to unpark the trailer, transmit an electrical output signal to an associated trailer control valve, via an electrical output port, for causing supplemental compressed air to be communicated to an air tank on the trailer via the associated trailer control valve and an associated check valve, the supplemental compressed air being combined with primary compressed air downstream of the associated check valve for filling the air tank on the trailer using a quick-fill mode., 'an electronic processor adapted to2. The controller as set forth in claim 1 , wherein the electronic processor is further adapted to:identify the command to unpark the trailer has been received at the electrical input port indicating an operator of the articulated vehicle has taken action to ...

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