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On optimal upgrade strategy for second-hand multi-component systems sold with warranty

机译:针对保修保修的二手多组件系统的最佳升级策略

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摘要

Reliability improvement strategies such as upgrade, reconditioning and remanufacturing have been extensively adopted by dealers of second-hand systems to improve the system reliability and reduce the warranty servicing cost. However, most existing studies on this topic do not consider the multi-component structures of complex second-hand systems, and either treat them as black-box systems by ignoring their internal structures or simply deal with individual components. In this paper, a new upgrade model is developed for complex second-hand systems sold with a non-renewing free repair/replacement warranty, by explicitly considering their multi-component configurations. Two types of components, i.e. repairable and non-repairable components, are taken into account. During the upgrade process, non-repairable components can be upgraded only by replacement (if necessary), while repairable ones may be imperfectly upgraded with various degrees. The main objective of the dealer is to determine which components to upgrade and the corresponding upgrade degrees, to minimise the total expected servicing cost. In view of the problem structure, a marginal analysis based algorithm is presented. It is shown that the proposed upgrade strategy contains the 'no upgrade' strategy and the 'component-level perfect upgrade/replacement' strategy as special cases, and outperforms them. Finally, several extensions of the proposed upgrade model are discussed.
机译:二手系统的经销商广泛采用了可靠性改进策略,例如升级,翻新和再制造,以提高系统可靠性并降低保修服务成本。但是,有关该主题的大多数现有研究都没有考虑复杂的二手系统的多组件结构,而是通过忽略它们的内部结构将它们视为黑盒子系统,或者仅处理单个组件。在本文中,通过明确考虑其多组件配置,针对具有不可更新的免费维修/更换保修的复杂二手系统开发了新的升级模型。考虑了两种类型的组件,即,可修复和不可修复的组件。在升级过程中,不可修复的组件只能通过更换(如有必要)进行升级,而可修复的组件可能会在不同程度上进行不完善的升级。经销商的主要目标是确定要升级的组件以及相应的升级程度,以最大程度地减少预期的总维修成本。针对问题的结构,提出了一种基于边际分析的算法。结果表明,提出的升级策略在特殊情况下包含“不升级”策略和“组件级完美升级/替换”策略,并且性能优于它们。最后,讨论了所提出的升级模型的几个扩展。

著录项

  • 来源
    《International Journal of Production Research》 |2019年第4期|847-864|共18页
  • 作者单位

    City Univ Hong Kong, Dept Syst Engn & Engn Management, Kowloon, Hong Kong, Peoples R China|City Univ Hong Kong, Shenzhen Res Inst, Shenzhen, Peoples R China;

    City Univ Hong Kong, Dept Syst Engn & Engn Management, Kowloon, Hong Kong, Peoples R China;

    City Univ Hong Kong, Dept Syst Engn & Engn Management, Kowloon, Hong Kong, Peoples R China|City Univ Hong Kong, Shenzhen Res Inst, Shenzhen, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    second-hand systems; series configuration; warranty; upgrade; maintenance management; cost analysis;

    机译:二手系统;系列配置;保修;升级;维护管理;成本分析;

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