Current control of permanent magnet synchronous motor for road feeling simulation

被引：0
|
作者：
Zhang B. [1 ]
Zhang J.-W. [1 ]
Guo K.-H. [1 ]
Ding H.-T. [1 ]
Chu H.-Q. [1 ]
机构：
[1] State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun
来源：
Jilin Daxue Xuebao (Gongxueban)/Journal of Jilin University (Engineering and Technology Edition) | 2019年 / 49卷 / 05期
关键词：
Current control; Delay; Inverter output saturation; Road feeling simulation; Triple-step nonlinear method; Vehicle engineering;
D O I：
10.13229/j.cnki.jdxbgxb20180616
中图分类号：
学科分类号：
摘要：
To get better response performance of a road feeling simulation actuator, a current control (Triple-step saturation prediction current control, TSPCC) algorithm is designed using the triple-step nonlinear method to solve the problems of the inherent delay of digital motor control and the output saturation of the inverter. The objectives are to improve the current response speed and reduce the current oscillation of permanent magnet synchronous motor of the road feeling simulation system. The triple-step nonlinear method has the advantages of being less sensitive to parameters and easy to implement in engineering. By transforming the inverter output saturation into model-based dynamic saturation limit, the dynamic feedforward control law and error feedback control law can obtain the optimal current response speed. The next step predicted current value is used to reduce overshoot and oscillation of the current due to delay. Simulation and experimental results demonstrate that the proposed algorithm can significantly increase the response speed of the current and reduce the current fluctuations in the steady state, and is suitable for smooth touch feeling and real-time road feeling. © 2019, Jilin University Press. All right reserved.
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页码：1405 / 1413
页数：8
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