Real Time Reliability Study of a Model with Increasing Failure Rates

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This paper deals with a system with elements with one element is the main element and the other elements are the spare parts of the main element. If one element fails, one of the spare parts starts working immediately. The failure rate of non working elements are zero and the failure rate of working element is time dependent as and the failed elements are not repairable. The system works until all elements failed. In the second part of this paper the differential equations between the state of the system are established and by solving this equation the reliability function of the system () is calculated. In the third part, a numerical example solved to determine the parameters of the system. Nomenclature The notations used in this paper are as follows: : Number of elements, : Failure rate of each element at time, : Probability that the system is in state with spare element at time, : Probability that system works at time, : Mean time to failure of the system,

Info:

Periodical:

Edited by:

Wu Fan

Pages:

2774-2779

DOI:

10.4028/www.scientific.net/AMM.110-116.2774

Citation:

M. Sharifi et al., "Real Time Reliability Study of a Model with Increasing Failure Rates", Applied Mechanics and Materials, Vols. 110-116, pp. 2774-2779, 2012

Online since:

October 2011

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Price:

$35.00

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