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Abstract

This research proposes a heuristic method, which decomposes the Multi-level Multi-item Capacitated Lot Sizing Problem with Multi-workstation (MLCLSP-M) into two phases which are an assignment with given lot size and a partial lot size with given assignment. Each iteration, the sub problem mathematical models are solved with AMPL/CPLEX 8.0.0 solver. An example is present for demonstration of the heuristic. The result indicate that the proposed heuristic (Partial Assignment – Lot size: PA-LS) give a satisfactory solution within faster solving time on comparison with the original mathematical model solving.

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