NDLI: Sensorless Control of Vehicle-mounted PMSM Based on Improved Sliding Mode Observer

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Sensorless Control of Vehicle-mounted PMSM Based on Improved Sliding Mode Observer

Content Provider	Scilit
Author	Xie, Chengwei Wu, Jingbo Guo, Zhijun Wang, Yongwei Liu, Junjie
Copyright Year	2021
Description	Journal: Journal of Physics: Conference Series In order to solve the chattering and phase delay problems in the traditional sliding mode observer(SMO), this paper proposes an improved sliding mode observer, which effectively weakens the chattering by using a new piecewise function as the switching function. At the same time, angle compensation is provided for the phase delay caused by the introduction of a low-pass filter, and then the arctangent function is used to extract the rotor position and speed information of the PMSM. Compared with the traditional sliding mode observer, from the simulation results, we can see that the improved control system has obvious advantages in reducing chattering, improving convergence speed, and improving speed estimation accuracy.
Related Links	https://iopscience.iop.org/article/10.1088/1742-6596/2030/1/012004/pdf
ISSN	17426588
e-ISSN	17426596
DOI	10.1088/1742-6596/2030/1/012004
Journal	Journal of Physics: Conference Series
Issue Number	1
Volume Number	2030
Language	English
Publisher	IOP Publishing
Publisher Date	2021-09-01
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics: Conference Series Sliding Mode Observer
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy

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