基于超螺旋二阶滑膜的汽车主动悬架控制方法研究  

Based on Improved Particle Swarm Optimization Optimal Path of Intelligent Vehicle Research on Planning Method

作　　者：周向[1] 文淑容 ZHOU Xiang;WEN Shu-rong(Wuhan Technical College of Communications,Hubei Wuhan 430070,China;Hubei Institute of Quality Supervision and Inspection,Hubei Wuhan 430061,China)

机构地区：[1]武汉交通职业学院,湖北武汉430070 [2]湖北省产品质量监督检验研究院,湖北武汉430061

出　　处：《机械设计与制造》2024年第1期52-57,共6页Machinery Design & Manufacture

基　　金：湖北省教育厅指导性项目(B2021517)。

摘　　要：汽车悬架的控制效果直接影响汽车的稳定性和舒适性,针对一阶滑模控制在主动悬架控制中存在的抖振和控制精度问题,基于汽车二自由度1/4主动悬架模型,提出了一种基于超螺旋二阶滑模控制的汽车主动悬架控制方法。在控制器前端串联一个负加速度反馈回路来调节悬架性能,并使用扩展的超螺旋观测器实时补偿系统的未知内部动态。为了验证控制方法的可行性,通过仿真进行对比分析。仿真结果表明,相比于一阶滑膜控制,该方法解决了悬架未知非线性动态的多目标控制问题,能更有效地改善汽车稳定性和舒适性。The control effect of automobile suspension directly affects the stability and comfort of automobile.Aiming at the prob-lems of chattering and control accuracy of first-order sliding mode control in active suspension control,an automobile active sus-pension control method based on super spiral second-order sliding mode control is proposed based on automobile 2-DOF 1/4 ac-tive suspension model.A negative acceleration feedback loop is connected in series at the front end of the controller to adjust the suspension performance,and the extended super spiral observer is used to compensate the unknown internal dynamics of the sys-tem in real time.In order to verify the feasibility of the control method,comparative analysis is carried out through simulation.The simulation results show that compared with the first-order synovial control,this method solves the multi-objective control problem of unknown nonlinear dynamics of suspension,and can more effectively improve vehicle stability and comfort.

关 键 词：汽车 主动悬架模型 超螺旋二阶滑模控制 负加速度反馈回路 控制策略 

分 类 号：TH16[机械工程—机械制造及自动化]