Design and Inspection Policy for Redundant Systems Using Information of Warranty

Jong Hyen Seo; Seon Ah Roh

doi:10.4028/www.scientific.net/KEM.277-279.226

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 277-279Design and Inspection Policy for Redundant Systems...

Design and Inspection Policy for Redundant Systems Using Information of Warranty

Abstract:

This paper considers the problem of determining the optimal number of redundant units in redundant systems with random unit failures and warranty. Parallel and k out of n systems are considered. The optimal number of redundant units which minimize the expected cost rate is found and the number is shown to be finite and unique. For given inspection interval before expiration of warranty, the optimal number of redundant units is also obtained. The effects of inspection and the warranty to the optimal number of redundant units are studied.

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Periodical:

Key Engineering Materials (Volumes 277-279)

Pages:

226-232

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.277-279.226

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Online since:

January 2005

Authors:

Jong Hyen Seo, Seon Ah Roh

Keywords:

Inspection, Optimization, Optimization Design, Redundant System, Warranty

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[6] H. Polatoglu: INFORMS Dallas 1997 Sections. 1k = 2k = 3k = 4k = 2c * n C(n *) * n C(n*) * n C(n* ) * n C(n* ) 1 2 1. 7904 3 2. 7360 4 3. 1863 5 3. 3760 3 3 2. 8785 4 4. 4520 5 5. 5353 6 6. 2811 5 3 3. 7790 5 5. 7368 6 7. 1937 7 8. 3086 7 4 4. 5734 6 6. 8484 7 8. 5627 9 9. 9275 10 5 5. 6923 7 8. 3506 9 10. 3664 10 12. 0017 20 8 8. 9892 12 12. 6184 14 15. 3867 15 17. 7268 Table 4. Optimal n of k out of n system with inspection n* C2.

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