考虑不同检测质量程度的预测维修动态检测模型

IF 9.4 1区工程技术 Q1 ENGINEERING, INDUSTRIAL

Reliability Engineering & System Safety Pub Date : 2025-04-19 DOI:10.1016/j.ress.2025.111165

Duc-Hanh Dinh , Phuc Do , Minh-Hien Bui , Phuoc-Vinh Dang

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引用次数: 0

摘要

在预测性维护（PdM）中，检查起着关键作用，因为它提供有关系统健康状况的信息，以支持维护决策。然而，检查可能是昂贵的，这是PdM的瓶颈之一。为了降低整体检测成本，本文提出了一种包含三个检测质量层次的动态检测模型：(1)二值状态检测是最便宜的一种，它只能显示系统的二值状态，无论是否正常运行；(2)劣化检测不完善，成本较高，但系统状态和劣化程度具有不确定性；(3)完善的退化检测可以提供真实的系统退化水平，这是最昂贵的检测方法。据此，在每个检测历元，根据系统的预测可靠性选择检测级别。通过动态选择每个检测历元的检测级别，可以降低系统的总体检测成本。在此基础上，首次提出了一种考虑三种检查的可靠性预测模型，用于检查和维修决策。然后，建立了维修成本模型，以寻找最优的预测性检修策略。最后，以某注塑机的预测维修为例，验证了所提出的动态检测模型的适用性和有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A dynamic inspection model for predictive maintenance considering different degrees of inspection quality

In predictive maintenance (PdM), inspection plays a key role since it provides information about system health to support maintenance decision-making. However, inspection may be costly, which is one of the bottlenecks of the PdM. To reduce the overall inspection cost, this paper proposes a dynamic inspection model that incorporates three levels of inspection quality: (1) Binary state inspection, which is the cheapest one, can only reveal the binary state of the system, whether functioning or not; (2) Imperfect degradation inspection, which incurs a higher cost, but can provide the system state and degradation level with uncertainty; and (3) Perfect degradation inspection, which is the most expensive one, can provide the true system’s degradation level. Accordingly, at each inspection epoch, the inspection level is selected based on the predictive reliability of the system. By dynamically selecting the inspection level at each inspection epoch, the overall inspection cost of the system can be reduced. In that way, a reliability prediction model considering three kinds of inspections is first proposed for inspection and maintenance decision-making. Then, a maintenance cost model is developed to find the optimal predictive inspection and maintenance policy. Finally, a case study on predictive maintenance of an injection molding machine is conducted to investigate the applicability and benefit of the proposed dynamic inspection model.

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来源期刊

Reliability Engineering & System Safety 管理科学-工程：工业

CiteScore

15.20

自引率

39.50%

发文量

621

审稿时长

67 days

期刊介绍： Elsevier publishes Reliability Engineering & System Safety in association with the European Safety and Reliability Association and the Safety Engineering and Risk Analysis Division. The international journal is devoted to developing and applying methods to enhance the safety and reliability of complex technological systems, like nuclear power plants, chemical plants, hazardous waste facilities, space systems, offshore and maritime systems, transportation systems, constructed infrastructure, and manufacturing plants. The journal normally publishes only articles that involve the analysis of substantive problems related to the reliability of complex systems or present techniques and/or theoretical results that have a discernable relationship to the solution of such problems. An important aim is to balance academic material and practical applications.