考虑边界约束的阀控阻尼可调半主动悬架显式混杂模型预测控制  

Prediction Control of Explicit Expression Hybrid Model of Valve Controlled & Damping Adjustable Semi-Active Suspension Taking into Account of Boundary Constraint

作　　者：王宇[1] 吴光强[1,2] 郭炯珉 Wang Yu;Wu Guangqiang;Guo Jiongmin(Tongji University, Shanghai, 201804;Production Technology Research Institute, Tokyo University, 153-8505)

机构地区：[1]同济大学,上海201804 [2]东京大学生产技术研究所

出　　处：《汽车技术》2017年第12期1-6,共6页Automobile Technology

基　　金：上海汽车工业科技发展基金项目(1526)

摘　　要：针对阀控阻尼可调半主动悬架减振器输出阻尼力存在的边界约束,引入混合逻辑动态理论,建立半主动悬架混杂系统整车模型。确立半主动悬架模型预测控制的二次型目标函数,采用多参数规划技术显式求解半主动悬架混杂系统模型预测控制问题。在随机路面输入工况下进行仿真验证结果表明,阀控阻尼可调半主动悬架的显式混杂模型预测控制能在兼顾操纵稳定性的同时,有效改善车辆的乘坐舒适性。To address the boundary constraint existing in output damping force from valve-controlled ＆amp; damping adjustable semi-active suspension shock absorber, mixed logic dynamic theory was introduced, and a vehicle model with semi-active suspension hybrid system was established. The quadratic form objective function for semi-active suspension model prediction and control was defined. Multiple parameter planning technology was applied to explicitly solve the issues concerning the hybrid system model prediction and control. Simulation verification was conducted with random road input conditions, the results show that the explicit hybrid model predication technology can effectively improve vehicle riding comfort while the handling stability is ensured.

关 键 词：半主动悬架 边界约束 混合逻辑动态模型 混杂模型预测控制 

分 类 号：U461.4[机械工程—车辆工程]