摘要
为提高汽车的平顺性和舒适性,针对半主动悬架系统,建立1/4车辆简化模型,引入模糊控制策略,结合比例积分微分(proportion integration differentiation,PID)控制以解决悬架运动过程中PID控制器参数不可变而引起的控制效果不理想等问题。并通过软件进行仿真分析,同时在相同参数下与单纯由PID算法控制的悬架以及被动悬架进行对比分析。仿真结果表明,基于模糊PID算法的半主动悬架能够更加出色地应对道路不平对汽车所造成的冲击,降低垂向振动,提高车辆驾驶稳定性。
In order to improve the smoothness and comfort of the vehicle,a simplified model of one-quarter vehicle was established for the semi-active suspension system,in which fuzzy control strategy was introduced and proportion integration differentiation(PID)control was combined to solve the problems that the PID controller parameters cannot be changed and the control effect is not ideal.The simulation analysis was carried out through the software,and the PID algorithm control of the suspension and passive suspension were compared under the same parameters at the same time.The simulation results show that the semi-active suspension based on the fuzzy PID algorithm can better deal with the impact of uneven road on the vehicle,reduce the vertical vibration and improve the vehicle driving stability.
作者
刘晓昂
张佳琪
王爽
LIU Xiao-ang;ZHANG Jia-qi;WANG Shuang(School of Mechanical Engineering,Hebei University of Technology,Tianjin 300132,China;Tianjin Key Laboratory of Power Transmission and Safety Technology for New Energy Vehicles,Tianjin 300132,China;School of Mechanical and Electrical Engineering,Dalian Minzu University,Dalian 116600,China)
出处
《科学技术与工程》
北大核心
2021年第2期781-785,共5页
Science Technology and Engineering
基金
国家自然科学基金(51705128)
河北省自然科学基金(E2019202169)。
关键词
半主动悬架
模糊控制
比例积分微分(PID)控制
对比分析
semi active suspension
fuzzy control
proportion integration differentiation(PID)control
comparative analysis
