Affiliation:
1. Institute of Automotive Simulation Science, School of Automobile Studies, Tongji University, Shanghai, China
2. Dongfeng Commercial Vehicle Technology Center, Wuhan, China
Abstract
In the control of electronically controlled air suspension system (ECAS), the precision and stability of height control are important targets to measure the efficiency. In the control process of an ECAS system, the phenomenon of “overinflation,”“overdeflation,” and frequent inflating and deflating is commonly existed, which is rooted in the hysteresis characteristic of the system. Based on the bench test, the system identification and quantitative performance analysis of solenoid valves and air springs were carried out, and a refined ECAS system model was built. A PID control strategy is optimized and a state-preview height control strategy is established. AMESim and Simulink are used to build the vehicle and controller models. The accuracy of the model is verified by the comparison between the co-simulation and the field test, and the conclusion is drawn that the state preview height control strategy can improve the smoothness of the height control.
Funder
National Natural Science Foundation of China
Subject
Mechanical Engineering,Aerospace Engineering
Cited by
1 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献
1. Height control strategy employing AWPSO-fuzzy PID control for electronically controlled air suspension system;Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering;2024-04-12