Design of low speed no - speed sensor for permanent magnet synchronous motor
Pages 228 - 231
Abstract
Speed Sensorless Control Technology of Permanent Magnet Synchronous Motor at Low SpeedMainly based on the salient pole characteristics of the motor, injecting high frequency excitation signals and noise filters requiring high bandwidth, It can detect the position and speed of the rotor of the motor, but most of the progress made now is based on the fundamental back-EMF of the permanent magnet synchronous motor to realize the speed sensorless control of the motor, Therefore, it is not suitable for the operation of the motor at low speed. In order to detect the rotor information of the motor at low speed, a rotor position robust observation method based on high frequency signal injection is proposed. Using the pulsed high-frequency voltage signal method, the rotor position error information is obtained by the amplitude information of the high-frequency current, and the signal processing and digital filter design are analyzed, Therefore, the speed sensorless control of the permanent magnet synchronous motor under low speed operation state can be realized, and the parameter robustness is improved.
References
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zhou xiaomin, wang changsong, qi xin, et al. Rotor position detection of permanent magnet synchronous motor based on pulsating high-frequency signal injection {J}. Micromotor, 2008, 41(3):13--16.
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Published In
December 2018
365 pages
ISBN:9781450365703
DOI:10.1145/3305275
Copyright © 2018 ACM.
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- International Engineering and Technology Institute, Hong Kong: International Engineering and Technology Institute, Hong Kong
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Association for Computing Machinery
New York, NY, United States
Publication History
Published: 29 December 2018
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- Short-paper
- Research
- Refereed limited
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ISBDAI '18
ISBDAI '18: International Symposium on Big Data and Artificial Intelligence
December 29 - 30, 2018
Hong Kong, Hong Kong
Acceptance Rates
ISBDAI '18 Paper Acceptance Rate 70 of 340 submissions, 21%;
Overall Acceptance Rate 70 of 340 submissions, 21%
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