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System Development & Application
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3788-3791

Sensorless control of PMSM based on improved sliding-mode model reference adaptive system method

Chen Wei
Dong Xiucheng
Zhou Dan
Feng Yuming
Signal & Information Processing Laboratory, Xihua University, Chengdu 610039, China

Abstract

Due to the disadvantage that model reference adaptive observer(MARS) is sensitive to parameter variations of PMSM and external disturbances, this paper developed a soft-switched sliding mode model reference adaptive observer for PMSM sensorless control. The observer combined the sliding mode control with MRAS. And constructing a variable sinusoidal saturation function was to enhance the robustness of the system and effectively reduce the chattering phenomenon. At the same time, it introduced the sigmoid function to improve the stability of the sliding mode soft switching speed controller. The simulation results show that the mode model reference adaptive control based on soft-switching sliding can achieve convergence faster, reduce the chattering phenomenon and improve the tracking performance.

Foundation Support

教育部“春晖计划”科研项目(Z2017076)
四川省高校科研创新团队—机器视觉与智能控制(18TD0024)
四川省科技厅重点项目(18YYJC1702)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2018.07.0421
Publish at: Application Research of Computers Printed Article, Vol. 36, 2019 No. 12
Section: System Development & Application
Pages: 3788-3791
Serial Number: 1001-3695(2019)12-058-3788-04

Publish History

[2019-12-05] Printed Article

Cite This Article

陈威, 董秀成, 周单, 等. 改进滑模模型参考自适应的PMSM无传感控制 [J]. 计算机应用研究, 2019, 36 (12): 3788-3791. (Chen Wei, Dong Xiucheng, Zhou Dan, et al. Sensorless control of PMSM based on improved sliding-mode model reference adaptive system method [J]. Application Research of Computers, 2019, 36 (12): 3788-3791. )

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Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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