Optimal system design considering maintenance and warranty

Optimal system design considering maintenance and warranty

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Article ID: iaor19991728
Country: United Kingdom
Volume: 25
Issue: 9
Start Page Number: 691
End Page Number: 705
Publication Date: Sep 1998
Journal: Computers and Operations Research
Authors: ,
Keywords: maintenance, repair & replacement, artificial intelligence, optimization
Abstract:

In this paper we present a study on reliability based design of a series-parallel system considering burn-in, warranty and maintenance. The system failure rate function incorporates three different phases of a product life cycle, namely, infant mortality period, the useful period and the wear-out period. The system life cycle cost includes costs of burn-in, warranty, installation, preventive maintenance and minimal repair. Genetic algorithms are used to obtain optimal values of system design, burn-in period, preventive maintenance intervals and replacement time. Three distinct cases representing different failure characteristics are studied to investigate the changes in system design and burn-in period for different lengths of warranty.

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