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Modelling warranty extensions: a case study in the automotive industry

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  • P A Scarf
  • H A Majid

Abstract

Warranty extensions are considered for automotive vehicles. In particular, the expected cost to a manufacturer of an extension to a base warranty is determined, while taking account of the effect of services during the warranty period. To model the effect of services, an inspection maintenance model is used that is based on the delay time concept. Therein, failures are preceded by defects, and the inspection of a vehicle while in the defective state facilitates the correction of such defects. Thus the typical circumstances in which a warranty places certain requirements on the customer to carry out a standard level of servicing is modelled. A vehicle is regarded as a complex system, with defects arising according to a counting process. Other defects that are present are allowed to be corrected when a vehicle fails. A case study carried out for Malaysian Truck Berhad is used to illustrate these concepts.

Suggested Citation

  • P A Scarf & H A Majid, 2011. "Modelling warranty extensions: a case study in the automotive industry," Journal of Risk and Reliability, , vol. 225(2), pages 251-265, June.
    • Handle: RePEc:sae:risrel:v:225:y:2011:i:2:p:251-265
    DOI: 10.1177/1748006X11401801
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    References listed on IDEAS

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    1. D.N. Prabhakar Murthy & Wallace R. Blischke, 2006. "Warranty Management and Product Manufacture," Springer Series in Reliability Engineering, Springer, number 978-1-84628-258-4, February.
    2. Scarf, Philip A. & Cavalcante, Cristiano A.V., 2010. "Hybrid block replacement and inspection policies for a multi-component system with heterogeneous component lives," European Journal of Operational Research, Elsevier, vol. 206(2), pages 384-394, October.
    3. Herbert Moskowitz & Young Hak Chun, 1994. "A poisson regression model for two‐attribute warranty policies," Naval Research Logistics (NRL), John Wiley & Sons, vol. 41(3), pages 355-376, April.
    4. A H Christer, 1999. "Developments in delay time analysis for modelling plant maintenance," Journal of the Operational Research Society, Palgrave Macmillan;The OR Society, vol. 50(11), pages 1120-1137, November.
    5. Wang, Wenbin & Banjevic, Dragan & Pecht, Michael, 2010. "A multi-component and multi-failure mode inspection model based on the delay time concept," Reliability Engineering and System Safety, Elsevier, vol. 95(8), pages 912-920.
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