Robust two-degree-of-freedom control based on H∞ method for PMSM drive system

被引：0
作者：
Zhu Q. [1 ,2 ]
Xiong L. [2 ]
Liu H. [1 ]
Zhu Y. [3 ]
Zhang G. [4 ]
机构：
[1] School of Mechanical Engineering, Suzhou University of Science and Technology, Suzhou
[2] School of Electrical and Automation Engineering, East China Jiaotong University, Nanchang
[3] School of Mechanical and Electronic Engineering, Jingdezhen Ceramic Institute, Jingdezhen
[4] Shenzhen Han’s Motor Technology Company Limited, Shenzhen
来源：
Recent Advances in Electrical and Electronic Engineering | 2020年 / 13卷 / 04期
关键词：
H[!sub]∞[!/sub] control; One-degree-of-freedom; PMSM; Position controller; Robust control; Two-degree-of-freedom;
D O I：
10.2174/2352096512666190319164237
中图分类号：
学科分类号：
摘要：
Background: The conventional method using one-degree-of-freedom (1DOF) controller for Permanent Magnet Synchronous Motor (PMSM) servo system has the trade-off problem between the dynamic performance and the robustness. Methods: In this paper, by using H∞ control theory, a novel robust two-degree-of-freedom (2DOF) controller has been proposed to improve the position control performance of PMSM servo system. Using robust control theory and 2DOF control theory, a H∞ robust position controller has been designed and discussed in detail. Results: The trade-off problem between the dynamic performance and robustness which exists in one-degree-of-freedom (1DOF) control can be dealt with by the application of 2DOF control theory. Then, through H∞ control theory, the design of robust position controller can be translated to H∞ robust standard design problem. Moreover, the control system with robust controller has been proved to be stable. Conclusion: Further simulation results demonstrate that compared with the conventional PID control, the designed control system has better robustness and attenuation to the disturbance of load impact. © 2020 Bentham Science Publishers.
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页码：496 / 506
页数：10
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