Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19594
Title: Optimal burn-in for repairable products sold with a two-dimensional warranty
Authors: Ye, ZS
Murthy, DNP
Xie, M
Tang, LC
Keywords: Burn-in
Cost analysis
Two-dimensional warranty
Issue Date: 2013
Publisher: Taylor & Francis
Source: IIE transactions, 2013, v. 45, no. 2, p. 164-176 How to cite?
Journal: IIE transactions 
Abstract: Warranty data analyses reveal that products sold with two-dimensional warranties may have significant infant mortalities. To deal with this problem, this article proposes and studies a new burn-in modeling approach for repairable products sold with a two-dimensional warranty. More specifically, two types of failures are characterizedi.e., normal and defect failuresand performance and cost-based burn-in models are developed under the non-renewing free-repair warranty policy. The proposed models subsume the special cases of a one-dimensional warranty, allow different failure modes to have distinct accelerated relationships, and take consumer usage heterogeneity into consideration. Under mild assumptions, it is established that the optimal burn-in usage rate should be as high as possible, provided that no extraneous failure modes are introduced. Furthermore, It is shown that the optimal burn-in duration determined from the performance-based model is not shorter than that from the cost-based model. Numerical examples are used to demonstrate the benefits of burn-in. In addition, some practical implications from a sensitivity analysis are elaborated.
URI: http://hdl.handle.net/10397/19594
ISSN: 0740-817X
EISSN: 1545-8830
DOI: 10.1080/0740817X.2012.677573
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