Communications for Statistical Applications and Methods

The Korean Statistical Society (한국통계학회)
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Warranty Analysis Based on Different Lengths of Warranty Periods

  • Park, Min-Jae (Department of Industrial and Systems Engineering, Rutgers University)
  • Received : 20110200
  • Accepted : 20110400
  • Published : 2011.05.31
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Abstract

Global companies can sell their products with dierent warranty periods based on location and times. Customers can select the length of warranty on their own if they pay an additional fee. In this paper, we consider the warranty period and the repair time limit as random variables. A two-dimensional warranty policy is considered with repair times and failure times. The repair times are considered within the repair time limit and the failure times are considered within the warranty period. Under the non-renewable warranty policy, we obtain the expected number of warranty services and their variances in the censored area by warranty period and repair time limit to conduct a warranty cost analysis. Numerical examples are discussed to demonstrate the applicability of the methodologies and results using field data based on the proposed approach in the paper.

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Cited by

  1. A New Warranty Policy With Failure Times and Warranty Servicing Times vol.61, pp.3, 2012, https://doi.org/10.1109/TR.2012.2208298