广东工业大学学报 ›› 2023, Vol. 40 ›› Issue (01): 92-99,136.doi: 10.12052/gdutxb.220118

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基于延迟时间模型的船舶预防性机会维修策略

李冀晖, 黄锦敬, 崔春强   

  1. 湛江科技学院 智能制造学院，广东 湛江 524094
  • 收稿日期:2022-07-11 出版日期:2023-01-25 发布日期:2023-01-12
  • 作者简介:李冀晖(1985-),男,讲师,硕士,主要研究方向为机电设备可靠性及维修决策,E-mail:449249380@qq.com
  • 基金资助:
    广东省教育厅青年创新人才项目(2018KQNCX381)；广东省普通高校特色创新类项目(2021KTSCX170)；湛江市非资助科技攻关计划项目(2021B01514)

Ship Preventive Opportunistic Maintenance Strategy Based on Delay Time Model

Li Ji-hui, Huang Jin-jing, Cui Chun-qiang   

  1. College of Intelligent Manufacturing, Zhanjiang University of Science and Technology, Zhanjiang 524094, China
  • Received:2022-07-11 Online:2023-01-25 Published:2023-01-12

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摘要： 针对目前船舶关键部件维修不合理导致的维修费用过高、使用率低的问题，提出基于延迟时间理论的船舶关键部件预防性维修策略。该策略以各部件的定期检测为基础，根据缺陷阶段和故障阶段的不同特点，将各部件维修分为检测维修和延迟维修，在延迟阶段引入机会维修思想，建立了船舶关键部件机会维修模型。根据部件检测维修记录和故障数据，运用极大似然估计法估计模型参数。以检测周期和延迟时间为优化变量，以最小费用率为优化目标，得到长期使用下的船舶关键部件机会维修策略。研究结果表明，与单纯的检测维修策略和传统的预防性维修方法相比，该策略能有效降低船舶维修费用，减少停机维修次数，提高船舶的使用效率，为船舶维修提供决策依据和参考。

关键词: 延迟时间, 预防性维修, 机会维修, 检测维修, 极大似然估计

Abstract: A preventive maintenance strategy for key components of ships is advanced based on the delay time theory. This strategy aims at the problem of high maintenance cost and low utilization rate caused by unreasonable maintenance of key parts. It bases on periodic inspection of each component, and divides the maintenance of each component into inspection maintenance and delay maintenance according to the different characteristics of defect and failure stage. And the idea of opportunity maintenance is introduced in the delay phase, to establish an opportunistic maintenance model for the ship’s key components. According to this strategy, the opportunistic maintenance strategy of the key parts under long-term use can be obtained in four steps: Base on component failure data and inspection maintenance records. Estimate model parameters by maximum likelihood estimation. Take detection cycle and delay time as optimization variables. Take the minimum cost ratio as the optimization objective. The result of this research indicates that this strategy can more effectively reduce the cost of ship maintenance, reduce downtime for maintenance, improve the efficiency of the use of the ship, and provide a decision basis and reference for ship maintenance, than the simple test maintenance strategy and traditional preventive maintenance method.

Key words: delay time, preventive maintenance, opportunistic maintenance, inspection maintenance, maximum likelihood estimation

中图分类号: 

  • U664.21
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