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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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Применить Всего найдено 2. Отображено 2.
26-05-2023 дата публикации

Pivot joint type active control dynamic vibration absorber for restraining railway vehicle from shaking

Номер: CN116161067A
Автор: MIYAJIMA, LIU GUANGYU, ZHOU JINSONG, REN LIHUI, LI KUN, LI HONGWEI, ZHAO KUO, SHEN YOUHONG, WANG ZEGEN, DENG XIN
Принадлежит:

The invention relates to a pivoting type active control dynamic vibration absorber for inhibiting shaking of a railway vehicle, which is arranged on a chassis at the front end and the rear end of a vehicle body in pairs and comprises a signal acquisition system, a control system and a vibration reduction system, the vibration reduction system comprises a vibration absorption mass block, an opening type linear bearing, a bearing inner ring fixing rod, a bearing outer ring fixing rod, dampers, damper mounting bases and damper hinge pin bases. The actuator is connected with the two dampers through the damper mounting bases. The two dampers are hinged to the bearing inner ring fixing rod and the bearing outer ring fixing rod through damper hinge pin bases correspondingly. One end of the vibration absorption mass block is connected with the bearing outer ring fixing rod, and the other end is mounted at the bottom of the vehicle body through the opening type linear bearing and the bearing inner ...

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Номер записи: 1
06-06-2023 дата публикации

Active control vibration absorption system and method for restraining rhombic mode shaking of railway vehicle

Номер: CN116215594A
Автор: MIYAJIMA, LIU GUANGYU, ZHOU JINSONG, REN LIHUI, LI HONGWEI, LI KUN, SHEN YOUHONG, ZHAO KUO, WANG ZEGEN, DENG XIN
Принадлежит:

The invention relates to an active control vibration absorption system for inhibiting rhombic mode shaking of a railway vehicle, which comprises a signal acquisition and processing system, a control system and an actuating system, and the signal acquisition and processing system comprises a three-way acceleration sensor and a signal processor which are arranged on equipment under the vehicle and a vehicle body; the signal processor processes the acceleration information to obtain an index result and phase information between the vehicle body and the equipment under the vehicle; the control system monitors index results and calculates required damping force according to acceleration and phase information; the actuating system comprises an actuator, an actuator hinge seat, a damper, a damper hinge seat, a linkage cross rod and a telescopic linkage long rod, and the actuator changes the output force of the damper according to the damping force calculated by the controller so as to restrain ...

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Номер записи: 2