Séance MB8 - Chaîne d'approvisionnement I / Supply Chain I
Jour lundi, le 04 mai 2009 Salle Hélène-Desmarais Président Edouard Wagneur
Présentations
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15h30- 15h55 |
Algorithmic Complexity of a Multi-objective Supplyline Scheduling Problem |
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Edouard Wagneur, GERAD, École Polytechinque de Montréal, Montréal, Québec, Canada In a supplyline, the objective functions of the actors may be conflicting. We show here that the multi-objective consisting in simultaneously optimizing the objectives of the producer (minimize the sum of completion times) and that of the distributor (minimize the number of late jobs) is strongly NP-hard. |
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15h55- 16h20 |
A Multi-Stage Stochastic Programming Approach for Production Planning in an Uncertain Manufacturing Environment |
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Masoumeh Kazemi Zanjani, Université Laval, Génie Mécanique, 3511 Pavillon Adrien-Pouliot, Quebec, QC, Canada, G1K 7P4 Mustapha Nourelfath, Université Laval, Génie mécanique / CIRRELT, Pavillon Adrien-Pouliot, Québec, Québec, Canada, G1K 7P4 Daoud Ait-Kadi, Université Laval, Centor - Faculté des sciences et génie, Dép. de génie mécanique We address a production planning problem under the uncertainty in the quality of raw materials and consequently in processes yields, as well as in products demands. The uncertain parameters are modeled separately and then integrated as a hybrid scenario tree. A multi-stage stochastic program is proposed to address the problem. The proposed approach is applied for sawmill production planning. |
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16h20- 16h45 |
Demand Allocation and Capacity Planning in Make-to-Order Supply Chain Design for Segmented Markets with Service-Level Differentiated Customers |
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Navneet Vidyarthi, Concordia University, Decision Sciences and MIS, John Molson School of Business, 1455 De Maisonneuve Blvd. West, Montreal, Quebec, Canada, H3G 1M8 Make-to-order (MTO) systems are emerging business strategies in managing supply chains, characterized by high product variety, highly variable customer demand, short product life cycle. Motivated by the strategic importance of response time, we study the problem of demand allocation and capacity planning in the design of MTO supply chains for segmented markets with service-level differentiated customers. |