A production model for deteriorating items with stochastic preventive maintenance time and rework process with FIFO rule

Wee , Hui Ming and Widyadana, I Gede Agus (2013) A production model for deteriorating items with stochastic preventive maintenance time and rework process with FIFO rule. OMEGA, 41. pp. 941-954. ISSN 0305-0483

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Abstract

Due to unreliable production facility and stochastic preventive maintenance, deriving an optimal production inventory decision in practice is very complicated. In this paper, we develop a production model for deteriorating items with stochastic preventive maintenance time and rework using the first in first out (FIFO) rule. From our literature search, no study has been done on the above problem. The problem is solved using a simple search procedure; this makes it more practical for use by industries. Two case examples using uniform and exponential distribution preventive maintenance time are applied. Examples and sensitivity analysis are conducted for each case. The results show that rework and preventive maintenance time have significant affected the total cost and the optimal production time. This provides helpful managerial insights to help management in making smart decisions.

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