Optimisation of warranty policy considering the interplay of product subsystems

Development of warranty policy has attracted attention from researchers from both reliability and supply chain communities. Two conventionally assumed contexts in optimisation of warranty policy are reliability mathematics and game theory. In both scenarios, the causes of warranty claims are usually assumed to be hardware systems only. In reality, however, user behaviour, software failure, and hardware failure may cause warranty claims, which may be handled differently. In addition, some subsystems/components may be installed in different products. The existing research focuses on individual systems/products and little attention has been paid to the effect of the interplay of different systems and that of different subsystems. This work investigates the consequences of such interplay and reports our recent work.