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Available from: Hennie Husniah, Oct 09, 2015
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    ABSTRACT: In recent years, there has been a dramatic increase in the out sourcing of equipment maintenance with the maintenance being carried out by an external agent rather than in-house. Often, the agent offers more than one option and the owners of equipment (customers) are faced with the problem of selecting the optimal option. The optimal choice depends on their attitude to risk and the parameters of the different options. The agent needs to take these issues into account in the optimal selection of the parameters for the different options and this requires a game theoretic formulation. The papers deals with one such model formulation to determine the agent's optimal strategy with regards the pricing structure, the number of customers to service and the number of service channels.
    European Journal of Operational Research 07/1999; 116(2-116):259-273. DOI:10.1016/S0377-2217(98)90202-8 · 2.36 Impact Factor
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    ABSTRACT: In general, a newly purchased item or system is warranted for a specific period. When the system fails during the warranty period, it is repaired free of charge. Even if the system is repairable, there exist some warranty services under which the manufacturer replaces the failed system during the warranty period. This study considers a case where a manufacturer offers an additional warranty service under which the failed system is replaced by a new one for its first failure, but minimal repairs are carried out to the system for its succeeding failures before the warranty expires. In this paper, we propose a mathematical model for setting a suitable charge of such an additional warranty service. Numerical examples assuming a personal computer are also presented.
    Computers & Mathematics with Applications 01/2006; 51:179-188. DOI:10.1016/j.camwa.2005.11.024 · 1.70 Impact Factor
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    ABSTRACT: For products sold with warranty, preventive maintenance actions by manufacturers and/or buyers have an impact on the total costs for both parties. This paper develops a framework to study preventive maintenance actions when items are sold under warranty and reviews the models that have appeared in the literature. It then develops a new model and carries out its analysis.
    International Journal of Reliability Quality and Safety Engineering 11/2011; 08(02). DOI:10.1142/S0218539301000396
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