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This paper focuses on developing a mathematical model for solving the Economic Lot Scheduling Problem (ELSP) under an imperfect (shifting) process that includes joint material replenishment, in-production screening process, imperfect rework process, scraps and shortage. The Common Cycle (CC) approach is applied for the problem formulation. Although this paper only demonstrates the first step, further...
This paper considers the effects of imperfect production processes and the decision on whether and when to implement a screening process for defective items generated during a production run on the Economic Lot Scheduling Problem (ELSP). It is assumed that a process is in control at the beginning of a production run. After a period of production, the process may shift to an out-of-control state at...
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