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Mathematical Problems in Engineering
Volume 2015, Article ID 579893, 5 pages
Research Article

Integrated Production-Distribution Scheduling Problem with Multiple Independent Manufacturers

1Automotive Engineering Research Institute, China Automotive Technology & Research Center, Tianjin 300300, China
2College of Management and Economics, Tianjin University, Tianjin 300072, China
3School of International Business, Tianjin Foreign Studies University, Tianjin 300270, China

Received 11 February 2015; Accepted 16 March 2015

Academic Editor: Tadeusz Kaczorek

Copyright © 2015 Jianhong Hao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


We consider the nonstandard parts supply chain with a public service platform for machinery integration in China. The platform assigns orders placed by a machinery enterprise to multiple independent manufacturers who produce nonstandard parts and makes production schedule and batch delivery schedule for each manufacturer in a coordinate manner. Each manufacturer has only one plant with parallel machines and is located at a location far away from other manufacturers. Orders are first processed at the plants and then directly shipped from the plants to the enterprise in order to be finished before a given deadline. We study the above integrated production-distribution scheduling problem with multiple manufacturers to maximize a weight sum of the profit of each manufacturer under the constraints that all orders are finished before the deadline and the profit of each manufacturer is not negative. According to the optimal condition analysis, we formulate the problem as a mixed integer programming model and use CPLEX to solve it.