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
- 2012.12
- 수록면
- 1,090 - 1,095 (6page)
이용수
초록· 키워드
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In this paper, we propose a model-based fault diagnosis method applied to vibration data. The fault detection is performed by comparing estimated parameters with normal parameters and deciding if the observed changes can be explained satisfactorily in terms of noise or undermodelling. The key feature of this method is that it accounts for the effects of noise and model mismatch. And we aslo design a classifier for the fault isolation by applying the multiclass SVM (Support Vector Machine) to the estimated parameters. The proposed fault detection and isolation methods are applied to an engine vibration data to show a good performance. The proposed fault detection method is compared with a signal-based fault detection method through a performance analysis.
목차
Abstract
I. 서론
II. 시스템 모델
III. 이상검출 및 격리
IV. 모델기반 이상진단의 연산 효율성
V. 시뮬레이션
VI. 결론
참고문헌
참고문헌 (32)
참고문헌 신청
1. [학술지(정기간행물)] - D. Doel / 1994 / An assessment of weighted-least-squares-based gas path analysis / ASME J. Eng. Gas Turbines Power 116 (2) : 366 ~ 373
2. [학술지(정기간행물)] - D. Doel / 2003 / Interpretation of weighted-least-squares gas path analysis results / ASME J. Eng. Gas Turbines Power 125 (3) : 624 ~ 633
3. [학술대회논문] - W. Janik / 1990 / Signal model-based diagnosis system for the supervision of periodically and intermittant working machines tools / Proc. 11th IFAC World Congress 1 : 130 ~ 134
4. [학술대회논문] - M. Willimowski / 2000 / A time domain based diagnostic system for misfire detection in spark-ignition engines by exhaust-gas pressure analysis / SAE 2000 World Congress : 33 ~ 43
5. [학술대회논문] - D. Konig / 1994 / Application of cyclostationary and time-frequency signal analysis to car engine diagnosis / Proc. IEEE Int Acoustics, Speech, and Signal Processing : 33 ~ 43
2. [학술지(정기간행물)] - D. Doel / 2003 / Interpretation of weighted-least-squares gas path analysis results / ASME J. Eng. Gas Turbines Power 125 (3) : 624 ~ 633
3. [학술대회논문] - W. Janik / 1990 / Signal model-based diagnosis system for the supervision of periodically and intermittant working machines tools / Proc. 11th IFAC World Congress 1 : 130 ~ 134
4. [학술대회논문] - M. Willimowski / 2000 / A time domain based diagnostic system for misfire detection in spark-ignition engines by exhaust-gas pressure analysis / SAE 2000 World Congress : 33 ~ 43
5. [학술대회논문] - D. Konig / 1994 / Application of cyclostationary and time-frequency signal analysis to car engine diagnosis / Proc. IEEE Int Acoustics, Speech, and Signal Processing : 33 ~ 43
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UCI(KEPA) : I410-ECN-0101-2014-569-000790771