Title : ( A new warranty plan combining renewal and a limited number of repair policies )
Authors: Fatemeh Hooti , Jafar Ahmadi , Maria Longobardi ,Access to full-text not allowed by authors
Abstract
We propose an extended two-dimensional warranty policy that combines a renewing free-replacement warranty with a limited number of repairs during the warranty period. The system is assumed to experience two types of failures: type-I failures, which are repairable through minimal repair, and type-II failures, which are non-repairable or catastrophic and require replacement. In the proposed warranty scheme, type-II failures are covered by a renewing free-replacement policy during the initial warranty period, while type-I failures are subject to an upper limit on the number of allowable occurrences. If the number of type-I failures remains below this threshold, the warranty is extended up to a predetermined time horizon. To identify the optimal warranty strategy, an expected total cost function, incorporating the sale price function, is developed as the model\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\'s objective function. Numerical and graphical analyses are conducted under the assumption that the system lifetime follows a Weibull distribution. Finally, the applicability of the proposed policy is demonstrated using two real data sets.
Keywords
, Warranty policy, Free replacement warranty, Renewing warranty, Extended warranty, Limited number of repairs, Sale price, Cost function.@article{paperid:1106864,
author = {Hooti, Fatemeh and Ahmadi, Jafar and ماریا لنگباردی},
title = {A new warranty plan combining renewal and a limited number of repair policies},
journal = {Quality technology and quantitative management},
year = {2026},
month = {March},
issn = {1684-3703},
keywords = {Warranty policy; Free replacement warranty; Renewing warranty; Extended warranty; Limited number of repairs; Sale price; Cost function.},
}
%0 Journal Article
%T A new warranty plan combining renewal and a limited number of repair policies
%A Hooti, Fatemeh
%A Ahmadi, Jafar
%A ماریا لنگباردی
%J Quality technology and quantitative management
%@ 1684-3703
%D 2026
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