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논문 기본 정보

자료유형
학술저널
저자정보
Yanqing Zhang (Xi’an University of Technology) Zhonggang Yin (Xi`an University of Technology) Jing Liu (Xi’an University of Technology) Xiangqian Tong (Xi’an University of Technology)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.13 No.3
발행연도
2018.5
수록면
1,304 - 1,316 (13page)

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초록· 키워드

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An adaptive sliding-mode observer for speed estimation in sensorless vector controlled induction machine drives is proposed in this paper to balance the dilemma between the requirement of fast reaching transient and the chattering phenomenon reduction on the sliding-mode surface. It is well known that the sliding-mode observer (SMO) suffers from the chattering phenomenon. However, the reduction of the chattering phenomenon will lead to a slow transient process. In order to balance this dilemma, an adaptive exponential reaching law is introduced into SMO by optimizing the reaching way to the sliding-mode surface. The adaptive exponential reaching law is based on the options of an exponential term that adapts to the variations of the sliding-mode surface and system states. Moreover, the proposed sliding-mode observer considering adaptive exponential reaching law, which is called adaptive sliding-mode observer (ASMO), is capable for reducing the chattering phenomenon and decreasing the reaching time simultaneously. The stability analysis for ASMO is achieved based on Lyapunov stability theory. Simulation and experimental results both demonstrate the correctness and the effectiveness of the proposed method.

목차

Abstract
1. Introduction
2. IM Model and Sliding-Mode Observer Design for Sensorless IM Drives
3. Adaptive Sliding-Mode Observer Design for Sensorless IM Drives
4. IM Speed Estimation Method Based on Adaptive Sliding-mode Observer
5. Simulation Results
6. Experimental Results
7. Conclusion
References

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