지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 182 - 189 (8page)
이용수
초록· 키워드
오류제보하기
Fault detection is the research focus and priority in this study to ensure the high reliability of a proposed three-level inverter. Kernel principal component analysis (KPCA) has been widely used for feature extraction because of its simplicity. However, highlighting useful information that may be hidden under retained KPCs remains a problem. A weighted KPCA is proposed to overcome this shortcoming. Variable contribution plots are constructed to evaluate the importance of each KPC on the basis of sensitivity analysis theory. Then, different weighting values of KPCs are set to highlight the useful information. The weighted statistics are evaluated comprehensively by using the improved feature eigenvectors. The effectiveness of the proposed method is validated. The diagnosis results of the inverter indicate that the proposed method is superior to conventional KPCA.
목차
Abstract
I. INTRODUCTION
II. PRELIMINARIES
III. SENSITIVITY ANALYSIS FOR KPCA FAULT DETECTION
IV. EXPERIMENTAL RESULTS
V. CONCLUSION
REFERENCES
참고문헌 (18)
참고문헌 신청
[학술지(정기간행물)] - M. Schweizer / 2013 / Comparative evaluation of advanced three-phase three-level inverter/converter topologies against two-level systems / IEEE Trans. Ind. Electron 60 (12) : 5515 ~ 5527
[학술지(정기간행물)] - J. -H. Zhou / 2013 / A hybrid three-level neutral-point balance control strategy / Proceeding of the CSEE 33 (24) : 82 ~ 89
[학술지(정기간행물)] - S. -Y. Yang / 2010 / Condition monitoring for device reliability in power electronic converters : A Review / IEEE Trans. Power Electron. 25 (11) : 2734 ~ 2752
[학술지(정기간행물)] - A. E. Ginart / 2009 / Online ringing characterization as a diagnostic technique for IGBTs in power drives / IEEE Trans. Instrum. Meas 58 (7) : 2290 ~ 2299
[학술지(정기간행물)] - B. Wang / 2011 / Analysis of voltage breakdown characteristic of IGBT / Transactions of China Electrotechnical Society 26 (8) : 145 ~ 150
[학술지(정기간행물)] - J. -H. Zhou / 2013 / A hybrid three-level neutral-point balance control strategy / Proceeding of the CSEE 33 (24) : 82 ~ 89
[학술지(정기간행물)] - S. -Y. Yang / 2010 / Condition monitoring for device reliability in power electronic converters : A Review / IEEE Trans. Power Electron. 25 (11) : 2734 ~ 2752
[학술지(정기간행물)] - A. E. Ginart / 2009 / Online ringing characterization as a diagnostic technique for IGBTs in power drives / IEEE Trans. Instrum. Meas 58 (7) : 2290 ~ 2299
[학술지(정기간행물)] - B. Wang / 2011 / Analysis of voltage breakdown characteristic of IGBT / Transactions of China Electrotechnical Society 26 (8) : 145 ~ 150
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UCI(KEPA) : I410-ECN-0101-2016-560-002315337