Robustness analysis of smart manufacturing systems against resource failures: A two-layered network perspective

IF 9.4 1区 工程技术 Q1 ENGINEERING, INDUSTRIAL
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引用次数: 0

Abstract

Complex and changing environments often cause resource failures in smart manufacturing systems (SMSs), significantly affecting their robustness. This paper introduces a novel methodology to assess the robustness of SMSs facing resource failures, using a complex network approach. It divides SMSs into social and technical layers, analyzes resources and relationships within and between these layers, and establishes a two-layered network model. It also categorizes various types of failures and proposes three robustness metrics to evaluate system performance at individual, local, and global levels. Simulations visually demonstrate the methodology and key findings: (1) the robust-but-fragile trait of SMSs only reacts to node failures and keeps significant in terms of the gradient of robustness; (2) there exists no edge failure that keeps damaging system robustness to the maximal or minimal degrees, and edge failures cause less damage to system robustness than node failures; (3) when failures occur, SMS robustness at all levels changes with inconsistent paces, and the optimal link mode varies by network structures and failure strategies. Finally, managerial implications are presented to guide practical robustness control at different stages of SMS lifecycles.
智能制造系统对资源故障的鲁棒性分析:双层网络视角
复杂多变的环境经常会导致智能制造系统(SMS)出现资源故障,严重影响其稳健性。本文介绍了一种新方法,利用复杂网络方法评估面临资源故障的 SMS 的稳健性。它将 SMS 划分为社会层和技术层,分析了社会层和技术层内部及之间的资源和关系,并建立了双层网络模型。它还对各种类型的故障进行了分类,并提出了三个鲁棒性指标,用于评估个人、本地和全球层面的系统性能。模拟直观地展示了研究方法和主要发现:(1) SMS 的鲁棒但脆弱特质只对节点故障做出反应,并在鲁棒性梯度方面保持显著性;(2) 不存在将系统鲁棒性破坏到最大或最小程度的边缘故障,边缘故障对系统鲁棒性的破坏小于节点故障;(3) 当故障发生时,SMS 各层次的鲁棒性会以不一致的速度发生变化,最佳链接模式因网络结构和故障策略而异。最后,提出了在 SMS 生命周期的不同阶段指导实际稳健性控制的管理意义。
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来源期刊
Reliability Engineering & System Safety
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.
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