Robust prediction current control of permanent magnet synchronous motor for EPS based disturbance observer

被引：0

作者：

Zhang, Hu ^{[1
]}

Zhang, Jian-Wei ^{[1
]}

Guo, Kong-Hui ^{[1
]}

Li, Yang ^{[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) | 2015年 / 45卷 / 03期

关键词：

Disturbance observer; Electric power steering; Permanent magnet synchronous motor; Predict current control; Vehicle engineering;

D O I：

10.13229/j.cnki.jdxbgxb201503005

中图分类号：

学科分类号：

摘要：

The deadbeat control scheme is adopted to improve the current tracking performance of permanent magnet synchronous motor of electric power steering system. However, the stability and accuracy of traditional deadbeat control suffer from time delay, motor parameter perturbation and other disturbances. To overcome this problem, a prediction current control algorithm based on disturbance observer is proposed. The algorithm combines deadbeat control with a current observer and disturbance observer. The current observer estimates the future value of motor current and compensates the time delay; and the disturbance observer estimates the system disturbance to improve the current observation and control precision. Simulation and experiment results demonstrate that the proposed algorithm significantly improves the steady and dynamic performance of current tracking of the electric power steering system. ©, 2015, Editorial Board of Jilin University. All right reserved.

引用

页码：711 / 718

页数：7

共 11 条

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