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Replacement policies based on minimal repair and cost limit criterion

✍ Scribed by N.L. Butani

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
240 KB
Volume
32
Category
Article
ISSN
0951-8320

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✦ Synopsis

This paper considers the following two policies: (i) the system is replaced on type ll failure before age T or on any failure after age T, and (ii) the system is replaced on type H failure before age T or on type I failure where if the expected cost of repair, found by inspection, exceeds a predetermined cost limit or any failure after age T. Costs due to inspection, replacement and minimal repair are considered. The optimal value ofT is obtained, in both the policies, that minimises the cost rate. NOTATION Co, C2 Cl Replacement and inspection costs IO 0 K(y)dy (Model I) o "L x dK(x) o K(L) (Mean value of repair cost not exceeding L; Model II) F(t) Failure time distribution function with probability density function f(t) K(x),.~(x) Cumulative distribution function, survival function of minimal repair cost 349

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