Multi-objective Supply Chain Optimization: An Industrial Case Study

Authors:
Lionel Amodeo;Haoxun Chen;Aboubacar Hadji
Affiliations:
ICD - LOSI (FRE CNRS 2732) - University of Technology of Troyes - 12 rue Marie Curie , 10012 Troyes, France;ICD - LOSI (FRE CNRS 2732) - University of Technology of Troyes - 12 rue Marie Curie , 10012 Troyes, France;ICD - LOSI (FRE CNRS 2732) - University of Technology of Troyes - 12 rue Marie Curie , 10012 Troyes, France
Venue:
Proceedings of the 2007 EvoWorkshops 2007 on EvoCoMnet, EvoFIN, EvoIASP,EvoINTERACTION, EvoMUSART, EvoSTOC and EvoTransLog: Applications of Evolutionary Computing
Year:
2009

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Abstract

Supply chain optimization usually involves multiple objectives. In this paper, supply chains are optimized with a multi-objective optimization approach based on genetic algorithm and simulation model. The supply chains are first modeled as batch deterministic and stochastic Petri nets, and a simulation-based optimization method is developed for inventory policies of the supply chains with a multi-objective optimization approach as its search engine. In this method, the performance of a supply chain is evaluated by simulating its Petri net model, and a Non dominated Sorting Genetic Algorithm (NSGA2) is used to guide the optimization search process towards global optima. An application to a real-life supply chain demonstrates that our approach can obtain inventory policies better than ones currently used in practice in terms of two objectives: inventory cost and service level.