Increased complexity in product design, strict regulations and a changing market make risk assessment critical for successful operations. Failure in responding quickly to raw material shortages, downtimes, deteriorating equipment conditions or other operational issues can prove to be an expensive affair. A company-wide risk assessment includes both external and internal operations. However, external/supplier risk assessment has been of major interest. Even though the scope of risk assessment at the production line level is not as broad as it is at the supply chain level, assessing risk would help recognize vulnerable areas of the production line, which would in turn help reduce damage caused when risk events occur. In this research, a method for production line risk assessment is proposed by considering operational risks affecting the line. Operational risks and their causal relationships are represented using Bayesian Belief Networks (BBN). The impact of these risks is observed using a simulation model of the production line using System Dynamics (SD) approach. The combination of BBN and SD assists in developing a versatile methodology, which can capture the dynamic causal mechanisms in a complex system, the uncertainties amongst risk events and the long-term impact of operational risks on the production line.

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Published in Procedia Manufacturing, v. 26, p. 76-86.

© 2018 The Author(s). Published by Elsevier B.V.

Under a Creative Commons license.

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