Applications of multivariate analysis for reliability of repairable systems.

What is it about?

The methodological analysis of reliability laid down in the IEC standards has been applied to the electrical/electronic repairable traction systems of thirty-six trains of underground railway. The tests that have been carried out show the existence in all repairable systems of periods with a higher number of failures, preceded and followed by periods without failures. This phenomenon, categorized as “recurrent failures,” is responsible for the failure of the HPP and PLP models. Reliability differences in identical systems operating in equal operating contexts were found in the thirty-six traction systems of 5000-4th trains.

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