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Jointly optimizing lot sizing and maintenance policy for a production system with two failure modes

机译：用两个故障模式共同优化生产系统的批量尺寸和维护策略

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摘要

In the reliability literature, studies that jointly investigate maintenance and production are typically restricted to one failure mode and fail to address the case where multiple failure modes may exist. This study investigates the problem of joint optimization of lot sizing and maintenance policy for a multi-product production system subject to two failure modes. The failure of the first mode is a soft failure that occurs after defects arrive. The failure of the second mode is a hard failure that occurs without any early warning signals. Products are sequentially produced by the system and a complete run of all products forms a production cycle. The system needs to be reset up before producing a different product. Both the production cycle and the time of set-up depend on the lot sizes of products. Models are proposed for two maintenance policies: 1) arranging the maintenance during the set-up at the end of each production cycle; 2) arranging the maintenance during each of set-ups. The expected profit per unit time is formulated to obtain the optimal lot sizing and maintenance policy. Some properties of the proposed models are provided and they show that the optimal lot sizing and maintenance policy can be obtained under certain conditions. Case studies and sensitivity analyses are presented to illustrate the proposed models of two maintenance policies. The results show that the manufacturer will gain the most profit if the optimal lot sizing and maintenance policy are adopted. The results of comparing both maintenance policies reveal that the excessive maintenance is not cost-effective. The sensitivity analyses illustrate that reducing the cost due to failures and improving system reliability are effective ways to increase the expected profit per time unit.
机译：在可靠性文献中，共同调查维护和生产的研究通常限于一个故障模式，并且无法解决可能存在多种故障模式的情况。本研究调查了多产品生产系统的批量尺寸和维护政策的联合优化问题问题，这两个故障模式。第一模式的失败是缺陷到达后发生的软故障。第二模式的失败是没有任何预警信号发生的难以发生故障。产品由系统顺序生产，并完全运行所有产品，形成生产周期。在产生不同的产品之前，需要重置系统。生产周期和建立时间都取决于产品的批量尺寸。模型提出了两个维护策略：1）在每个生产周期结束时设置维护; 2）在每个设置期间安排维护。每单位时间的预期利润是制定的，以获得最佳批量尺寸和维护政策。提供了拟议模型的一些特性，并显示了在某些条件下可以获得最佳批量尺寸和维护策略。提出了案例研究和敏感性分析以说明拟议的两种维护策略模型。结果表明，如果采用最佳批量和维护政策，制造商将获得最多的利润。比较维护政策的结果表明过度的维护不具有成本效益。敏感性分析说明，降低由于故障和提高系统可靠性导致的成本是增加每个时间单位预期利润的有效方法。

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  • 来源
    《Reliability Engineering & System Safety》 |2020年第10期|106996.1-106996.15|共15页
  • 作者

    Gao Kaiye; Peng Rui; Qu Li; Wu Shaomin;

  • 作者单位

    Beijing Informat Sci & Technol Univ Sch Econ & Management 100 Pingleyuan Beijing 100124 Peoples R China|Chinese Acad Sci Acad Math & Syst Sci 12 Xiaoyingdong Rd Beijing 100192 Peoples R China;

    Beijing Univ Technol Sch Econ & Management Beijing 100124 Peoples R China;

    Beijing Informat Sci & Technol Univ Sch Econ & Management 100 Pingleyuan Beijing 100124 Peoples R China;

    Univ Kent Kent Business Sch Canterbury CT2 7FS Kent England;

  • 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

    Maintenance; Production; Failure modes; Lot sizing; Reliability;

    机译：维护;生产;失效模式;很多尺寸;可靠性;

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