Burn in policies for products having dormant states
Wu, S. M. and Clements-Croome, D. (2005) Burn in policies for products having dormant states. In: Cui, L. and Tsang, A. H. C. (eds.) Proceedings of the 4th International Conference on Quality & Reliability. Beijing Inst Technology Pr, Beijing, pp. 567-573. ISBN 781045742X
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Constructing a building is a long process which can take several years. Most building services products are installed while a building is constructed, but they are not operated until the building is commissioned. The warranty term for the building service systems may cover the time starting from their installation to the end of the warranty period. Prior to the commissioning of the building, the building services systems are protected by warranty although they are not operated. The bum in time for such systems is important when warranty costs is analyzed. In this paper, warranty cost models for products with burn in periods are presented. Two burn in policies are developed to optimize the total mean warranty cost. A special case on the relationship between the failure rates of the product at the dormant state and at the I operating state is presented.
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