Research on Fault Diagnosis Method Based on CBR and Rough Set Theory

Chun Fei Yuan; Jing Cai; Yi Ming Xu

doi:10.4028/www.scientific.net/AMM.170-173.3644

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 170-173Research on Fault Diagnosis Method Based on CBR...

Research on Fault Diagnosis Method Based on CBR and Rough Set Theory

Abstract:

Modern fault diagnosis system always is a dynamic, flexible and uncertain complicated system, so many fault diagnosis methods are not effective to determine fault causes. Considering that abundant of fault diagnosis cases have been accumulated in daily maintenance work, a fault diagnosis method based on case-based reasoning (CBR) and rough set theory is proposed. Rough set theory is employed to process reduction on attributes and the weighting coefficient of case description attributes. This method makes full use of the advantage of" let the data speak". At last the method is testified by an example, and the result shows it is feasible and effective.

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Periodical:

Applied Mechanics and Materials (Volumes 170-173)

Pages:

3644-3648

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.170-173.3644

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Online since:

May 2012

Authors:

Chun Fei Yuan, Jing Cai, Yi Ming Xu

Keywords:

CBR, Fault Diagnosis, Rough Set (RS)

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