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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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Применить Всего найдено 3. Отображено 3.
30-05-2023 дата публикации

Drive-by-wire integrated electric drive system and electric engineering vehicle

Номер: CN116176544A
Автор: SONG FENG, LI JIAKUO, YAN ZAIRONG
Принадлежит:

The invention relates to the technical field of pure electric engineering vehicles, in particular to a drive-by-wire integrated electric drive system and an electric engineering vehicle. The drive-by-wire integrated electric drive system comprises at least two axles; an electric power assembly; a vehicle controller and an electric drive axle controller; a brake-by-wire system; a steer-by-wire system; the power takeoff is arranged on the electric power assembly; the hydraulic power-assisted braking system is connected with the power takeoff and matched with the brake to provide auxiliary braking force for the brake; and the hydraulic power-assisted steering system is connected with the power takeoff and matched with the steering gear to provide auxiliary steering force for the steering gear. The drive-by-wire integrated electric drive system takes electric steering and electric braking as main parts and hydraulic power assisting as auxiliary parts, double protection is achieved, steering ...

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Номер записи: 1
18-04-2023 дата публикации

Random vibration analysis method for electric drive axle

Номер: CN115982846A
Автор: WEI YONGXIANG, WU SHUAI, LI JIAKUO
Принадлежит:

The invention relates to the technical field of vehicle electric drive axle vibration fatigue analysis, in particular to an electric drive axle random vibration analysis method which comprises the following steps that an electric drive axle simulation model is established in finite element software, and specifically, constraints are added to the left end and the right end of an axle housing assembly; a left loading point and a right loading point are arranged below the axle housing assembly; a suspension damping model is arranged above the axle housing assembly; a chassis simplified model is arranged above the suspension damping model; a speed reducer model is arranged in the axle housing assembly; performing modal analysis on the electric drive bridge simulation model; random vibration information of the electric drive axle under the whole vehicle working condition is obtained; analyzing a power spectrum density function of the random vibration of the electric drive bridge according to ...

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Номер записи: 2
23-06-2023 дата публикации

Electric vehicle braking method, device and equipment based on energy recovery and medium

Номер: CN116278778A
Автор: WEI YONGXIANG, LI JIAKUO, CUI LEI
Принадлежит:

The invention provides an electric vehicle braking method, device and equipment based on energy recovery and a medium. The method comprises the steps that vehicle parameters and vehicle speed information of a target electric vehicle and gradient information of a road surface where the target electric vehicle is located are obtained; calculating the current air resistance and the current deceleration inertia force of the target electric vehicle based on the vehicle parameters and the vehicle speed information; calculating current tire rolling resistance and current ramp resistance of the target electric vehicle based on the vehicle parameters and the gradient information; and based on the vehicle parameters, the current air resistance, the current deceleration inertia force, the current tire resistance and the current ramp resistance, the torque load of the target electric vehicle is calculated, and the brake control strategy of the target electric vehicle is adjusted. By considering the ...

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Номер записи: 3