车辆液压主动悬挂控制系统稳定性控制方法研究  

Research on Stability Control Method of Vehicle Hydraulic Active Suspension Control System

作　　者：韩乐 HAN Le(College of Automobile,Xianyang Vocational Technical College,Xianyang 712000,China)

机构地区：[1]咸阳职业技术学院汽车学院,陕西咸阳712000

出　　处：《液压气动与密封》2023年第4期21-23,27,共4页Hydraulics Pneumatics & Seals

基　　金：咸阳职业技术学院科研基金(2022KJB04)。

摘　　要：车辆液压主动悬挂系统能够实现大功率强负载的带载运动,针对车辆在运动过程中液压主动悬挂系统的稳定性控制问题,在液压主动悬挂系统的结构和运动学模型基础上,设计了液压主动悬挂系统的位置观测模型和动态控制节点状态观测器,利用设计LQR控制器来实现液压主动悬挂控制系统各控制节点的协调运行,最后在车辆液压主动悬挂控制系统实验台架中进行硬件在环试验,通过调节不同的性能控制参数,不断优化车辆液压主动悬挂控制系统的稳定性,实验结果表明,设计的稳定性控制方法能够提升系统的响应速度和稳定性。The vehicle hydraulic active suspension system can realize the movement with high power and strong load.Aiming at the stability control problem of the hydraulic active suspension system in the process of vehicle movement,based on the structure and kinematics model of the hydraulic active suspension system,the position observation model and dynamic control node state observer of the hydraulic active suspension system are designed,The LQR controller is designed to realize the coordinated operation of each control node of the hydraulic active suspension control system.Finally,the hardware in the loop test is carried out in the vehicle hydraulic active suspension control system experimental bench.By adjusting different performance control parameters,the stability of the vehicle hydraulic active suspension control system is continuously optimized,The designed stability control method can improve the response speed and stability of the system.

关 键 词：液压主动悬挂系统 带载运动 位置观测模型 LQR控制器 硬件在环试验 

分 类 号：TH137[机械工程—机械制造及自动化]