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Cost models for age replacement policies and block replacement policies under warranty

机译：保修期内的年龄更换政策和大块更换政策的成本模型

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摘要

In this paper, we elaborate on cost models by examining the renewable and non-renewable warranty policies subject to minimal repair within the warranty period and the post-warranty period. Among various maintenance policies, the block replacement policy and the age replacement policy have been investigated and compared under the broader warranty perspective. The cost model is developed from the perspective of the customer. This analytical model should provide manufacturers with a better understanding of customer behavior. We consider failure time and repair time simultaneously instead of the traditional two dimensions such as age and usage because it may be difficult to obtain usage information. For the customer's satisfaction, the repair time threshold, which has several types based on the properties of a product, is fixed. However, if the repair time exceeds the repair time threshold, the decision is to discontinue providing the repair service and to provide a replacement service. We obtain and compare the differences between maintenance policies using the expected cost rate, both under the non-renewable warranty policy and the renewable warranty policy. The suggested model provides better guidance for finding an optimal maintenance policy. Numerical examples are discussed to demonstrate the applicability of the methodology derived in the paper.
机译：在本文中，我们通过检查在保修期内和保修后期内需要最少维修的可再生和不可再生保修政策，详细说明了成本模型。在各种维护策略中，已在更广泛的保修范围内研究并比较了块更换策略和寿命更换策略。成本模型是从客户的角度开发的。此分析模型应使制造商对客户行为有更好的了解。我们会同时考虑故障时间和维修时间，而不是传统的两个维度（例如寿命和使用时间），因为可能很难获得使用情况信息。为了使客户满意，修复时间阈值是固定的，该阈值基于产品的属性有几种类型。但是，如果维修时间超过维修时间阈值，则决定停止提供维修服务并提供更换服务。在不可更新的保修政策和可更新的保修政策下，我们使用预期成本率获取并比较维护策略之间的差异。建议的模型为找到最佳维护策略提供了更好的指导。数值例子进行了讨论，以证明本文得出的方法的适用性。

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