The invention discloses a magneto-rheological vehicle suspension backstepping compensation control method and system and a controller, and the method comprises the steps: obtaining vehicle basic information and real-time state information, and calculating a vehicle suspension system state equation; obtaining the filtering state of the magnetorheological suspension system, and constructing an error feedback control system; a backstepping control system equation is established, a Lyapunov stability criterion is introduced, a virtual control function expression form is obtained, and a controller meeting the system stability requirement is obtained according to a recursion rule; the applied voltage of the magnetorheological damper is calculated; carrying out anti-interference design on the magnetorheological suspension system; the magneto-rheological damper is introduced into the automobile suspension system, the magneto-rheological damper is adjusted through a backstepping compensation control method, accurate control over the damping force of the magneto-rheological suspension system is achieved, and the vehicle vibration restraining performance of the magneto-rheological fluid suspension system is improved.
本发明公开了一种磁流变车辆悬架反步补偿控制方法、系统及控制器,包括获取车辆基本信息和实时状态信息,计算车辆悬架系统状态方程;获取磁流变悬架系统滤波状态,构建误差反馈控制系统;建立反步控制系统方程,引入李雅普诺夫稳定准则,获得虚拟控制函数表达形式,并根据递推法则得出满足系统稳定性要求的控制器;计算磁流变阻尼器的施加电压;磁流变悬架系统抗干扰设计;在汽车悬架系统引入磁流变阻尼器,以反步补偿控制方法调节磁流变阻尼器,实现了磁流变悬架系统阻尼力的准确控制,提升了磁流变液悬架系统对车辆振动的抑制性能。
Magneto-rheological vehicle suspension backstepping compensation control method, system and controller
一种磁流变车辆悬架反步补偿控制方法、系统及控制器
2024-09-03
Patent
Electronic Resource
Chinese
IPC: | B60G VEHICLE SUSPENSION ARRANGEMENTS , Radaufhängungen und Federungen für Fahrzeuge |
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