Lockout/tagout and operational risks in the production control of manufacturing systems with passive redundancy

Behnam Emami-Mehrgani, Sylvie Nadeau and Jean-Pierre Kenné

International Journal of Production Economics, 2011, vol. 132, issue 2, 165-173

Abstract: This paper addresses problems associated with production control and occupational safety in a manufacturing system prone to failure involving two machines working in passive redundancy. Machines turning out one part experience two modes of failure and repair: firstly, where failure occurs when a machine remains in fair condition; and, secondly, where such failure results in outright breakdown. Accordingly, we examine both modes of failure for their impact on a flexible manufacturing system (FMS) with respect to production control in terms of costs associated with lockout/tagout procedures and corrective maintenance. This study seeks to identify optimal costs related to backlogs, inventories and maintenance over an infinite planning horizon, along with levels of occupational risk where production control includes efficient planning of lockouts/tagouts. Our study offers numerical methods which may be employed to achieve optimal conditions in setting control policies. A numerical example and sensitivity analysis support this approach.

Keywords: Flexible; manufacturing; systems; Passive; redundancy; Corrective; maintenance; Lockout/tagout (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:proeco:v:132:y:2011:i:2:p:165-173

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