Warranty data contain useful information about product quality and reliability, but they are usually coarse data because they may be aggregated, delayed, censored, missing or vague. They might, however, be the only forms of warranty data a manufacturer has, analysing such data are therefore needed and can also be of benefit to manufacturers in identifying early warnings of abnormalities in thei...

In today’s competitive world, the quality of after-sales services plays a significant role in customer satisfaction and retention. Some activities require spare parts owing to importance satisfaction, needed must be supplied until end warranty period. this study, mixed-integer linear optimization model is presented redesign plan sale supply chain that addresses challenges supplying after produc...

Classical warranty plans require crisp data obtained from strictly controlled reliability tests. However, in a real situation these requirements might not be fulfilled. In an extreme case, the warranty claims data come from users whose reports are expressed in a vague way. Furthermore, there are special situations where several characteristics are used together as criteria for judging the warra...

Warranty data contain useful information about product quality and reliability, but they are usually coarse data because they may be aggregated, delayed, censored, missing or vague. They might, however, be the only forms of warranty data a manufacturer has, analysing such data are therefore needed and can also be of benefit to manufacturers in identifying early warnings of abnormalities in thei...

Prognostics and Health Management (PHM) is a methodology that permits the assessment of product reliability and the prediction of remaining useful life (RUL) under life-cycle conditions through continuous monitoring. This paper addressed a unique use of PHM for business warranties. PHM is able to help understand what went wrong quickly and exactly in a product. PHM will assist companies to make...