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
- 2013.6
- 수록면
- 343 - 348 (6page)
이용수
이 논문의 연구 히스토리 (3)
2013
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초록· 키워드
오류제보하기
In line with the advances in factory automation, various pieces of equipment are now operated in batch processes controlled by computers. However, many kinds of faults can occur in complicated and large systems, which can result in low productivity and economic loss. The reliability and safety of systems have been studied because of the difficulty of determining the severity and location of faults. Therefore, it is necessary to detect and diagnose such faults in order to guarantee the reliability and safety of the equipment. In this paper, a diagnosis method for the ball bearings of a hydraulic pump is applied using a vibration signal for the maintenance of injection molding equipment. The bearings" defects are selected as a main failure mode through a failure mode and effect analysis (FMEA). Usually, there are nonlinear and impulse components of vibration in a ball bearing with faults. For the effective fault diagnosis of a ball bearing, nonlinear diagnostic methods and time-frequency analysis are applied, in addition to the methods currently used, such as power spectrum, time series analysis, and statistical methods. As a result of this study, a failure diagnosis system is provided that is useful even for non-experts. This is a condition-based method that makes it possible to resolve problems in a timely and economical way, in contrast to the prior method, which required regular but wasteful maintenance based on the experience of expensive external experts.
목차
ABSTRACT
1. 서론
2. 본론
3. 실험
4. 결과
5. 결론
References
참고문헌 (8)
참고문헌 신청
1. [학위논문] - Lee, J. C. / 1995 / Study on Diagnosis of Rotating Machinery using Methods of High Accuracy Spectrum Analysis / Doctor / Hanyang University
2. [학술지(정기간행물)] - Yu, Y. / 2006 / A Roller Bearing Fault Diagnosis Method Based on EMD Energy Entropy and ANN / J. of Sound and Vibration 294 (1-2) : 269 ~ 277
3. [학술지(정기간행물)] - Prabhakar, S. / 2002 / Application of Discrete Wavelet Transform for Detection of Ball Bearing Race Faults / Tribology International 35 : 793 ~ 800
4. [단행본] - Misiti, M. / 1996 / Wavelet Toolbox for Use with MATLAB / The MathWorks
5. [학술지(정기간행물)] - Lin, J. / 2000 / Feature Extraction Based on Morlet Wavelet and its Application for Mechanical Fault Diagnosis / J. of Sound and Vibration 234 (1) : 135 ~ 148
2. [학술지(정기간행물)] - Yu, Y. / 2006 / A Roller Bearing Fault Diagnosis Method Based on EMD Energy Entropy and ANN / J. of Sound and Vibration 294 (1-2) : 269 ~ 277
3. [학술지(정기간행물)] - Prabhakar, S. / 2002 / Application of Discrete Wavelet Transform for Detection of Ball Bearing Race Faults / Tribology International 35 : 793 ~ 800
4. [단행본] - Misiti, M. / 1996 / Wavelet Toolbox for Use with MATLAB / The MathWorks
5. [학술지(정기간행물)] - Lin, J. / 2000 / Feature Extraction Based on Morlet Wavelet and its Application for Mechanical Fault Diagnosis / J. of Sound and Vibration 234 (1) : 135 ~ 148
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