Extended state second-order nonsingular terminal rotor flux sliding mode observer

被引：0
|
作者：
Zhang Y. [1 ,2 ]
Lu J.-Q. [1 ]
Wu J.-F. [2 ]
Wei H.-F. [1 ,2 ]
Li Y.-J. [1 ,2 ]
机构：
[1] Institute of Electronics and Information, Jiangsu University of Science and Technology, Zhenjiang
[2] Zhejiang Dongfang Electromechanical Co., Ltd, Yueqing
来源：
Dianji yu Kongzhi Xuebao/Electric Machines and Control | 2020年 / 24卷 / 05期
关键词：
Estimated flux; Extended state sliding mode observer; High-order sliding mode; Parameters perturbation; Permanent magnet synchronous motor;
D O I：
10.15938/j.emc.2020.05.012
中图分类号：
学科分类号：
摘要：
Traditional linear sliding mode observer has the problem of inherent chattering and slow convergence. In view of this problem, an second-order nonsingular terminal rotor flux sliding mode observer (SMO) for permanent magnet synchronous motor (PMSM) was proposed. Firstly, the nonsingular terminal sliding mode surface was introduced to improve the convergence rate of SMO, and the high-order sliding mode was adopted to suppress the chattering of the system. Then, the influence of parameters perturbation of SMO on magnitude and phase of the estimated flux were analyzed quantitatively, including rotor electric angular velocity error and stator resistance. Finally, analysis of parameters perturbation influence on amplitude and phase of the estimated flux were verified by experiment, and the experiment results show that the influence of stator resistance perturbation on estimated flux is small. © 2020, Harbin University of Science and Technology Publication. All right reserved.
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页码：99 / 106
页数：7
相关论文
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