120 Manufacturing and Remanufacturing Problem Based on Lot-Sizing Plannin
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In this paper, we focus on economic lot sizing problem with remanufacturing option (ELSR) in which demand also can be satisfied by remanufacturing returns items. We analyze the two dependent activities of recovery of returns and production for demand under the dynamic lot sizing problem and get the optimal solution property. GA (Genetic Algorithm) code was developed with combining the particularity of this problem. At last, we combine the property and characteristics to develop the GA code in GA algorithm.