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
- 저널정보
- 한국지능시스템학회 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGENT SYSTEMS Vol.9 No.3
- 발행연도
- 2009.9
- 수록면
- 178 - 184 (7page)
이용수
초록· 키워드
오류제보하기
An efficient fault diagnosis system is needed for industry because it can optimize the resources management and improve the performance of the system. In this study, a fault diagnostic system is proposed for rotating machine using wavelet packet transform (WPT) and elman neural network (ENN) techniques. In most fault diagnosis for mechanical systems, WPT is a well-known signal processing technique for fault detection and identification. In previous work, WPT can improve the continuous wavelet transform (CWT) used over a longer computing time and huge operand. It can also solve the frequency-band disagreement by discrete wavelet transform (DWT) only breaking up the approximation version. In the experimental work, the extracted features from the WPT are used as inputs in an Elman neural network. The results show that the scheme can reliably diagnose four different conditions and can be considered as an improvement of previous works in this field.
목차
Abstract
1. Introduction
2. Background knowledge
3. Experimental investigation of faults identification
4. Conclusion
References
참고문헌 (10)
참고문헌 신청
1. [학술지(정기간행물)] - F. Hlawatsch / 1992 / Linear and quadratic time frequency signal representations / IEEE Signal Processing Mag 9 : 21 ~ 67
2. [학술지(정기간행물)] - 0. Rioul / 1991 / Wavelets and signal processing / IEEE Signal Processing Mag 8 : 14 ~ 38
3. [학술지(정기간행물)] - C.J. Li / 1997 / Wavelet decomposition of vibrations for detection of bearing-localized defects / NDT&E International 30 : 143 ~ 149
4. [학술지(정기간행물)] - C. K. Sung / 2000 / Locating defects of a gear system by the technique of wavelet transform / Mechanism and Machine Theory 35 : 1169 ~ 1182
5. [학술지(정기간행물)] - H. Zheng / 2002 / Gear fault diagnosis based on continuous wavelet transform / Mechanical System and Signal Processing 16 : 447 ~ 457
2. [학술지(정기간행물)] - 0. Rioul / 1991 / Wavelets and signal processing / IEEE Signal Processing Mag 8 : 14 ~ 38
3. [학술지(정기간행물)] - C.J. Li / 1997 / Wavelet decomposition of vibrations for detection of bearing-localized defects / NDT&E International 30 : 143 ~ 149
4. [학술지(정기간행물)] - C. K. Sung / 2000 / Locating defects of a gear system by the technique of wavelet transform / Mechanism and Machine Theory 35 : 1169 ~ 1182
5. [학술지(정기간행물)] - H. Zheng / 2002 / Gear fault diagnosis based on continuous wavelet transform / Mechanical System and Signal Processing 16 : 447 ~ 457
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UCI(KEPA) : I410-ECN-0101-2009-028-018934428