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IPMSM 모터의 상전류 특성분석(MCSA)을 이용한 demagnetization 고장진단

Title
IPMSM 모터의 상전류 특성분석(MCSA)을 이용한 demagnetization 고장진단
Authors
최규태
Date Issued
2013
Publisher
포항공과대학교
Abstract
Most fault detection techniques are focused on induction motors and are based on steady-state conditions. In this paper, an diagnosis system for demagnetization fault detection in interior permanent magnet synchronous motors (IPMSM) is proposed. The study is focused on an IPMSM under non-stationary conditions. The main technique is formulated by modifying existing xed frequency sinusoid tracking algorithms and support vector machine, which is based on an adaptive algorithm for extracting non-stationary sinusoids. The faults are determined using the motor current signature analysis technique. Simulations performed in this study validate that the proposed algorithm improves the extraction erformance.
URI
http://postech.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000001553886
http://oasis.postech.ac.kr/handle/2014.oak/1700
Article Type
Thesis
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