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Articles
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QICID: 20406
Title: Reliability-Growth Analysis of Locomotive Electrical Equipment
Copyright: 2006, ASQ
Author: Giorgio, Massimiliano; Guida, Maurizio; Pulcini, Gianpaolo
Organization: Second University of Naples, Aversa, Italy; University of Salerno, Fisciano, Italy; National Research Council of Italy, Naples, Italy
Subject: Contract review,Failure analysis,Heterogeneity,International quality study (IQS),Poisson distribution,Railroads,Reliability,Supplier rating;
Series: Journal of Quality Technology, Vol. 38, No. 1, January 2006, pp. 14-30
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Abstract: [This abstract is based on the authors' abstract.]A stochastic model is developed to describe the reliability-growth of advanced technological systems during a planned on-service period for the purpose of determining supplier conformity to the contractual target. The model is applied to the electrical equipment of a fleet of locomotives built for the Italian railway transport system. Based on the model's ability to describe the observed reliability-growth process of a single locomotive, a testing procedure is developed to reveal possible heterogeneity over the entire fleet of locomotives. The probability of demonstrating contractual compliance at the end of the development period is predicted on the basis of the failure data collected during the entire development program.
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