Vulnerability evaluation method applied to manufacturing systems
Ou Wenchu and
Reliability Engineering and System Safety, 2018, vol. 180, issue C, 255-265
The safe operation requirement for an enterprise depends significantly on the uninterrupted and reliable functioning of its manufacturing system (MS). However, this system is frequently subjected to different disturbances and destructions, such as safety accidents, equipment fault, and misoperation. Therefore, a sophisticated evaluation mechanism and an effective alleviation design for the vulnerability of a MS are of great importance for the reliable functioning of the MS. This study proposes a detailed methodology to comprehensively assess the vulnerability of a MS subject to different disturbances by using complex networks and simulation technology. The proposed methodology includes a complex network expression for the MS, a description of the equipment failure scenarios, a method to analyze the vulnerability of the MS, and an evaluation method to quantify the vulnerability value. The vulnerability of a MS is evaluated in terms of its work, including the topological structure vulnerability and function vulnerability. Different vulnerability metrics are described, and the vulnerability information is quantified by the multidimensional spatial computing method. Subsequently, the effectiveness of the proposed method is validated in the engineering assembly manufacturing system (EAMS).
Keywords: Complex network; Manufacturing system; Vulnerability; Scale model; Evaluation (search for similar items in EconPapers)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:180:y:2018:i:c:p:255-265
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