ESP系统的CarSim与Simulink联合仿真研究  

Combined Simulation and Research of ESP System by Using CarSim and Simulink

作　　者：孙跃东[1] 郭森 周萍[1] 

机构地区：[1]上海理工大学机械工程学院,上海200093

出　　处：《机械设计与制造》2018年第3期16-18,22,共4页Machinery Design & Manufacture

基　　金：上海市科委科研基金资助项目(11140502000)

摘　　要：通过对ESP系统的特性进行分析,选取汽车横摆角速度作为控制变量,基于模糊PID控制理论,在MATLAB/Simulink中建立ESP控制器模型。根据控制器计算出的附加横摆力矩,选用单侧双轮制动的控制策略来确定施加在各车轮的制动力矩。利用CarSim软件中的整车动力学模型,搭建CarSim与Simulink的联合仿真软件平台,在不同的工况下进行双移线试验和紧急避让试验。试验结果表明,所设计的控制器可以显著地改善汽车行驶的操纵性和稳定性,为ESP系统的研究提供了有益的参考。By analyzing the characteristics of ESP system,the car yaw rate is selected as the control variable and the ESP controller model is established in MATLAB/Simulink based on the fuzzy PID control theory. According to the additional yaw moment that the ESP controller calculates,the braking torque applied to each wheel is determined by using the control strategy of one-side double-wheel braking. Double lane change test and emergency avoidance test are conducted in different conditions by using the vehicle dynamics model in CarSim software and building combined simulation software platform with Simulink and CarSim. The test results show that the designed controller can significantly improve the car handling and stability,which provides a useful reference for the future study of ESP system.

关 键 词：横摆角速度 模糊PID 联合仿真 动力学模型 ESP 

分 类 号：TH16[机械工程—机械制造及自动化]