A Post-Warranty Maintenance Strategy Considering Product Age

When a non-renewing warranty period expires, the customer can know the age of the product surviving warranty period. In this paper, by making use of the surviving product’s age information, an improved post-warranty maintenance strategy is proposed. Based on renewal process theory, the product life cycle cost rate is derived explicitly. Numerical results show that the proposed post-warranty maintenance strategy can achieve a lower cost rate than the one without considering the surviving product’s age information.