文献详情
Warranty Cost Modeling and Warranty Length Optimization Under Two Types of Failure and Combination Free Replacement and Pro-Rata Warranty
文献类型期刊
作者Chen, Zhiwei[1];Zhao, Tingdi[2];Luo, Shanshan[3];Sun, Yufeng[4]
机构
通讯作者Sun, YF (reprint author), Beihang Univ, Sch Reliabil & Syst Engn, Beijing 100191, Peoples R China.
来源信息年:2017  卷:5  页码范围:11528-11539  
期刊信息IEEE ACCESS影响因子和分区  ISSN:2169-3536
关键词Warranty cost model; burn-in; free replacement warranty; pro-rata warranty
摘要The product warranty has become an indispensable facet of business operations. Burn-in is effective at eliminating infant mortality and improving operational reliability levels for consumers. This paper considers the influence of different failure states and different phases of product reliability and warranty policies on warranty costs from predelivery inspection to the end of the warranty period. We then propose a comprehensive warranty cost model that considers burn-in, free replacement warranty and pro-rata warranty as three phases for repairable products presenting two types of failure (minimal and catastrophic failure) that involve minimal repair and replacement, respectively. Warranty costs are the result of a combination of the three phases, where two types of failure occur individually or simultaneously. Moreover, we developed a framework for the modeling process of warranty costs, and the effects of various parameters, such as the burn-in time, warranty period, and distribution function on warranty costs, were analyzed. Finally, a practical case was examined by using a warranty cost model, and through an after-sales service data analysis, we obtained the failure rate distribution and optimal warranty length by minimizing the average warranty cost, which can serve as a reference for manufacturers when developing warranty policies.
收录情况SCIE(WOS:000405435300005)  
所属部门可靠性与系统工程学院
DOI10.1109/ACCESS.2017.2715840
学科计算机:信息系统;工程:电子与电气;电信学
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