Failure Probability Estimation using Fuzzy Fault Tree Analysis (FFTA) with PDM Data in Process Plants
Volume 4, Number 3, July 2008 - Paper 7 - pp. 271 - 284
EDWIN VIJAY KUMAR1, S.K.CHATURVEDI1 and A.W. DESHPANDE21Reliability Engineering Centre, IIT Kharagpur, Kharagpur (WB), India
2Department of Bioinformatics, University of Pune, Pune (Maharastra) India
(Received on August 07, 2007)
The Reliability Centred Maintenance strategy aims at deciding predictive maintenance tasks on process equipments. The approaches such as FMEA, HAZOP and FTA are most widely used analytical tools for identifying the predominant failure modes, failure causes and possible remedial measures thereof. The success of predictive maintenance program lies in raising an appropriate 'Early Warning' with the help of monitoring the condition of parameters of interest. Randomness of degradation, dependency of the failure causes, uncertain and insufficient data further complicate the estimation of failure probabilities. Process plant engineers always look for a practical and approximate solutions rather than an exact one that uses rigorous analytical models.
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