Optimal reserve inventory from output of one machine to input of two machines when inter-arrival breakdown is a random variable

C.D. Nandakumar, S. Srinivasan and R. Sathiyamoorthi

International Journal of Process Management and Benchmarking, 2019, vol. 9, issue 2, 173-192

Abstract: In this paper, a two stage production process is considered such that there is only one machine M₁ in the first stage and two machines M₂′, M₂″ in the second stage. It is assumed that the output of M₁ is the input for M₂′, M₂″. During the breakdown time of M₁, a reserve inventory is suggested for M₂′, M₂″, to prevent the idle time, which is costlier. An inventory model is derived here based on certain assumptions to find the optimum size of the reserve inventory of the semi-finished product of the machine M₁ to supply the machines M₂′, M₂″ till M₁ resumes the function. Numerical illustrations are provided.

Keywords: breakdowns; repair time; inventory; change point; SCBZ property; production; shortages. (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:ids:ijpmbe:v:9:y:2019:i:2:p:173-192

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