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논문 기본 정보

자료유형
학술저널
저자정보
Hong Zheng (University of Electronic Sci&Tech of China) Jiancheng Zhao (University of Electronic Sci&Tech of China) Liangzhong Liu (University of Electronic Sci&Tech of China)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.11 No.3
발행연도
2016.5
수록면
769 - 774 (6page)

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초록· 키워드

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In the design of sensorless control system for induction motor, high-precision speed estimation is one of the most difficult problems. To solve this problem, the common method is model reference adaptive method (MRAS). MRAS requires accurate motor parameters to estimate rotor speed precisely. However, when motor is running, the variety of temperature and magnetic saturation will lead to the change of motor parameters such as stator resistance and rotor resistance, which will lower the accuracy of the speed estimation. To improve the accuracy and rapidity of speed estimation, this paper analyses the mutual MRAS speed identification based on rotor flux linkage, and proposes an improved mutual MRAS speed identification based on back-EMF. The improved method is verified by Simulink simulation and motor experimental platform based on DSP2812. The results of simulation and experiment indicate that the method proposed by this paper can significantly improve the accuracy of speed identification, and speed up the response of identification.

목차

Abstract
1. Introduction
2. Mutual Speed Identification Based on MRAS
3. Vector Control System Based on MRAS with Stator-rotor Resistance and Speed Identification
4. Results of Simulink Simulation
5. Experimental Results
References

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