Cooperative capacity planning and resource allocation by mutual outsourcing using ant algorithm in a decentralized supply chain

Authors:
Kung-Jeng Wang;M. -J. Chen
Affiliations:
Department of Industrial Management, National Taiwan University of Science and Technology, #43, Section 4, Keelung Road, Taipei 106, Taiwan, ROC;Department of Industrial Engineering, Chung-Yuan Christian University, Chung-Li, Taiwan, ROC
Venue:
Expert Systems with Applications: An International Journal
Year:
2009

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Abstract

Lumpy demand forces capacity planners to maximize the profit of individual factories as well as simultaneously take advantage of outsourcing from its supply chain and even competitors. This study examines a business model of capacity planning and resource allocation in which consists of two profit-centered factories. We propose an ant algorithm for solving a set of non-linear mixed integer programming models of the addressed problem with different economic objectives and constraints of negotiating parties. An individual factory applies a specific resource planning policy to improve its objective while borrowing resource capacity from its peer factory or lending extra capacity of resources to the other. The proposed method allows a mutually acceptable capacity plan of resources for a set of customer tasks to be allocated by two negotiating parties, each with private information regarding company objectives, cost and price. Experiment results reveal that near optimal solutions for both of isolated (a single factory) and negotiation-based (between the two factories) environments are obtained.