Journal
COMPUTERS & INDUSTRIAL ENGINEERING
Volume 164, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.cie.2021.107885
Keywords
Working cycle; Two-dimensional warranty; Post-warranty reliability; Random maintenance polices; Cost rate model
Funding
- National Social Science Foundation of China [72001026]
- Base and Basic Applied Study of Guangdong Province [2020A1515011360]
- China Postdoctoral Science Foundation [2020M680399]
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This article investigates the design and optimization of warranty and maintenance policies by monitoring the working cycle of products using advanced sensor technologies. The authors propose two types of warranty policies and further explore post-warranty random maintenance policies. By establishing a warranty cost model and conducting numerical experiments, the authors demonstrate the effectiveness and feasibility of the proposed policies.
The rapid development of advanced sensor technologies makes it possible to monitor the working cycle of products, which enables manufacturers to design warranty policies by monitoring working cycle during the warranty period and facilitates consumers to carry out post-warranty maintenance by tracking the post-warranty working cycle. The optimal warranty and maintenance policies considering random working cycles is rarely studied in existing literature. In this article, we make contribution by incorporating the limited number of random working cycle into a warranty term and proposing two types of two-dimensional warranty, which guarantees the product reliability performance by monitoring working cycle during the warranty period. Based on the proposed warranty policy, we further investigate the optimal post-warranty random maintenance policies from consumers' perspective, including the random periodic replacement first and replacement last policies, which enhances the post-warranty reliability by monitoring the post-warranty working cycle. The warranty cost model is established under each proposed warranty policy, and the cost rate is evaluated under each post-warranty random maintenance policy. Some special cases of the established models are provided and discussed. By numerical experiments, we conduct sensitivity analysis of the proposed warranty and post-warranty random maintenance polices.
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