A nonlinear model predictive control for air suspension in hub motor electric vehicle

被引：0
|
作者：
Yu, Yi [1 ]
Li, Zhongxing [1 ,2 ]
Zhou, Yin [1 ]
Wang, Xue [1 ]
机构：
[1] Jiangsu Univ, Sch Automot & Traff Engn, Zhenjiang, Peoples R China
[2] Jiangsu Univ, Sch Automot & Traff Engn, Zhenjiang 212013, Peoples R China
来源：
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART D-JOURNAL OF AUTOMOBILE ENGINEERING | 2024年
基金：
美国国家科学基金会;
关键词：
Air suspension; HM-EV; nonlinear model predictive control; ride comfort; IN-WHEEL-MOTOR; ACTIVE SUSPENSION; OPTIMIZATION; VIBRATION; DESIGN; SYSTEM;
D O I：
10.1177/09544070231213687
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The hub-motor electric vehicle (HM-EV) is considered as an ideal configuration for electric vehicles (EVs). However, the electromechanical coupling effect deteriorates HM-EV ride comfort, which limits its widespread application in EVs. In this study, the HM-EV dynamic system with air springs is proposed to intervene in vehicle attitude and ride comfort. The HM-EV dynamic model with air spring, considering the electromechanical coupling effect, is established and the test validation is investigated. Then quasi-infinite horizon nonlinear model predictive control (QIH NMPC) is designed to improve the longitudinal and vertical dynamic performance. The dynamic performance of passive suspension, air suspension based on QIH NMPC, air suspension based on MPC, and PID control receptively, are compared under several random road scenarios. Finally, the results indicated that the proposed control algorithm can improve ride comfort, reduce motor vibration, and improve longitudinal and vertical dynamic performance.
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页数：22
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