基于自修正因子的模糊PID控制在液驱混合动力车辆中的应用  

Application of Fuzzy PID Algorithm Based on Auto-tuning Factors in Hydraulic Hybrid Vehicle

作　　者：张庆永[1] 常思勤[2] 

机构地区：[1]湖北汽车工业学院汽车工程系,湖北十堰442002 [2]南京理工大学机械工程学院,江苏南京210094

出　　处：《机床与液压》2010年第15期53-55,7,共4页Machine Tool & Hydraulics

基　　金：湖北汽车工业学院博士科研启动基金项目(BK201005)

摘　　要：应用基于量化因子和决策因子自修正的模糊PID控制算法来改进液驱混合动力车辆车速控制系统,从而改善基本模糊控制器的稳态和动态性能,并对液驱混合动力车辆进行十五工况的车速仿真,结果表明该控制方法能显著改善系统的动态性能和稳态精度。同时利用发动机的万有特性,对液驱混合动力车辆在十五工况下进行经济性仿真,结果表明液驱混合动力车辆具有明显的节能效果。Fuzzy PID algorithm based on auto-tuning of scaling factors and decision-making factor was applied to improve the speed control performance of hydraulic hybrid vehicle,so static and dynamic characteristics of basic fuzzy controller were enhanced.Speed simulations of fifteen driving cycle of hydraulic hybrid vehicle were performed.The simulation results show that the dynamic performance and stable accuracy of the system are improved using this control method.By applying the universal characteristic of engine,fuel economy simulations of fifteen driving cycle were finished.The simulation results show that the energy saving effect of hydraulic hybrid vehicle is evident.

关 键 词：液驱混合动力车辆 自修正因子 模糊PID 

分 类 号：U463.22[机械工程—车辆工程] U469.79[交通运输工程—载运工具运用工程]