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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 5. Отображено 5.
07-07-2023 дата публикации

Road adhesion coefficient prediction method of MFO-Elman neural network

Номер: CN116401943A
Автор: WANG JUNCHENG, WANG FAHUI, XIANG ZHONG, LI HAORAN
Принадлежит:

The invention discloses a road adhesion coefficient prediction method based on an MFO-Elman neural network. The method comprises the following steps: obtaining initial vehicle data of a target vehicle by using a vehicle sensor; the longitudinal acceleration ax, the lateral acceleration ay, the wheel steering angle delta i, the wheel angular velocity wi and the yaw velocity gamma acquired when the automobile runs on the road surfaces with different adhesion coefficients are acquired; and forming a vector group [ax ay delta i wi gamma vx vy alpha i lambda i] by using a longitudinal vehicle speed estimated value vx, a lateral vehicle speed estimated value vy, a wheel slip angle estimated value alpha i and a longitudinal slip rate estimated value lambda i of the vehicle as an input of a corresponding MFO-Elman neural network unit, and using a road adhesion coefficient estimated value mu as an output. According to the pavement adhesion coefficient prediction method of the MFO-Elman neural network ...

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Номер записи: 1
07-07-2023 дата публикации

Multi-parameter self-powered active suspension capable of being autonomously controlled and control method thereof

Номер: CN116394690A
Автор: WU JIARUI, WANG JUNCHENG, CHEN SHIAN
Принадлежит:

The invention discloses a multi-parameter self-powered active suspension capable of being autonomously controlled and a control method thereof in the field of automobiles. The upper portion of a first oil cylinder of an anti-resonance structure is sequentially connected with an inerter pipe, a third adjustable throttling valve, an intelligent switch, a fourth electromagnetic valve and a fourth oil gas chamber in series. A third electromagnetic valve and a third oil gas chamber are connected in series and then connected to the two ends of the third adjustable throttle valve and the intelligent switch which are connected in series in parallel; a second adjustable throttling valve, a first adjustable throttling valve, a second oil gas chamber, a first electromagnetic valve and a first oil gas chamber are sequentially connected in series with the lower portion of a second oil cylinder of a traditional vibration reduction structure, and second electromagnetic valves are connected in parallel ...

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Номер записи: 2
08-08-2023 дата публикации

Suspension structure for restraining high-frequency vibration of vehicle body through three measures and parameter design method of suspension structure

Номер: CN116552180A
Автор: WU JIARUI, WANG JUNCHENG, CHEN SHIAN
Принадлежит:

The invention discloses a suspension structure for suppressing high-frequency vibration of a vehicle body by three measures in the field of automobiles and a parameter design method of the suspension structure, and an existing rigidity damping inerter autonomous controllable suspension and a wheel high-frequency dynamic vibration absorber form a suspension for suppressing the high-frequency vibration of the vehicle body by three measures. The method comprises the following steps: determining the mass of a wheel high-frequency dynamic vibration absorber and the minimum rigidity of a suspension in a comfortable mode according to the design requirements of an automobile, and optimizing the damping and the inerter of an inerter tube and the rigidity and the damping of the wheel high-frequency dynamic vibration absorber by taking the minimum optimization objective function as an objective; a high-frequency vibration suppression measure transmitted from a wheel to a vehicle body is expanded to ...

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Номер записи: 3
25-07-2023 дата публикации

Rigidity damping inerter autonomous controllable suspension and parameter design and working method thereof

Номер: CN116476586A
Автор: WU JIARUI, WANG JUNCHENG, CHEN SHIAN
Принадлежит:

The invention discloses a rigidity damping inerter autonomous controllable suspension and a parameter design and working method thereof in the field of automobiles. A cavity of an oil cylinder is sequentially connected with an inerter pipe, an adjustable throttling valve, an intelligent switch, a second electromagnetic valve and a second oil gas chamber through oil pipes; the first electromagnetic valve and the first oil gas chamber are connected in series and then connected to the two ends of the adjustable throttling valve and the intelligent switch which are connected in series in parallel, the intelligent switch is connected to the suspension domain controller, and the suspension domain controller is connected with the chassis system controller; after the intelligent switch is triggered, the first oil gas chamber and the second oil gas chamber work in parallel to provide small rigidity, the inerter pipe provides small damping and small inerter, otherwise, the first oil gas chamber provides ...

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Номер записи: 4
11-08-2023 дата публикации

Electro-hydraulic composite braking torque coordination control strategy based on type-2 fuzzy logic

Номер: CN116572956A
Автор: WANG JUNCHENG, LYU LINFENG, XIANG ZHONG, WANG FAHUI
Принадлежит:

According to the electro-hydraulic composite braking torque coordination control strategy based on the type-2 fuzzy logic, a regenerative braking distribution coefficient kr is introduced to represent the motor braking participation degree, and under the non-emergency braking working condition, regenerative braking torque and hydraulic braking torque are distributed with the braking strength z and the battery SOC as interval type-2 fuzzy logic input; and under the emergency braking working condition, the road adhesion coefficient mu and the battery SOC serve as interval type-2 fuzzy logic input, and the regenerative braking torque and the hydraulic braking torque are distributed. In addition, according to the emergency braking working condition butt joint road surface motor torque compensation strategy, hydraulic braking torque delay is compensated through the action driving or braking torque of the motor when the road surface adhesion coefficient suddenly changes. The composite braking ...

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Номер записи: 5