Optimisation of inspection policy for multi-line production systems
by Farhad Zahedi-Hosseini; Aris A. Syntetos; Philip A. Scarf
European J. of Industrial Engineering (EJIE), Vol. 12, No. 2, 2018

Abstract: This paper develops a simulation model to determine the cost-optimum inspection policy for a multi-line production system taking account of simultaneous downtime. The machines in the multi-line system are subject to a two stage failure process that is modelled using the delay-time concept. Our study indicates that: consecutive inspection of lines with priority for failure repair is cost-optimal, with a cost reduction of 61% compared to a 'run-to-failure' policy; and maintainers need to be responsive to operational requirements. Our ideas are developed in the context of a case study of a plant with three parallel lines, one of which is on cold-standby. [Received 13 October 2016; Revised 29 April 2017; Revised 14 December 2017; Accepted 14 December 2017]

Online publication date: Fri, 23-Mar-2018

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