Cost Analysis on Warranty Policies Using Freund's Bivariate Exponential Distribution
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초록
Purpose: In this paper, the minimal repair-replacement warranty policy is used to carry out a warranty costanalysis with warranty servicing times and failure times that are statistically correlated to bivariatedistributions. Methods: Based on the developed approach by Park and Pham (2012a), we investigate the property of theFreund’s bivariate exponential distribution and obtain the number of warranty services using the field datato conduct the warranty cost analysis. Results: Maximum likelihood estimates are presented to estimate the parameters and the warranty modelis investigated using a Freund’s bivariate exponential distribution. A numerical example is discussed to dealwith the applicability of the developed approach in the paper. Conclusion: A novel approach of analyzing the warranty cost is proposed for a product in which failure timesand warranty servicing times are used simultaneously to investigate the eligibility of a warranty claim.
Abstract
Purpose: In this paper, the minimal repair-replacement warranty policy is used to carry out a warranty costanalysis with warranty servicing times and failure times that are statistically correlated to bivariatedistributions. Methods: Based on the developed approach by Park and Pham (2012a), we investigate the property of theFreund’s bivariate exponential distribution and obtain the number of warranty services using the field datato conduct the warranty cost analysis. Results: Maximum likelihood estimates are presented to estimate the parameters and the warranty modelis investigated using a Freund’s bivariate exponential distribution. A numerical example is discussed to dealwith the applicability of the developed approach in the paper. Conclusion: A novel approach of analyzing the warranty cost is proposed for a product in which failure timesand warranty servicing times are used simultaneously to investigate the eligibility of a warranty claim.
참고문헌 (18)
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