Using MLP networks to design a production scheduling system

  • Authors:
  • Shan Feng;Ling Li;Ling Cen;Jingping Huang

  • Affiliations:
  • Department of Control Science and Engineering, Huazhong University of Science & Technology, Wuhan 430074, China;Department of Information Systems and Decision Sciences, College of Business and Public Administration, Old Dominion University, Norfolk, VA;Department of Control Science and Engineering, Huazhong University of Science & Technology, Wuhan 430074, China;Department of Control Science and Engineering, Huazhong University of Science & Technology, Wuhan 430074, China

  • Venue:
  • Computers and Operations Research - Special issue: Emerging economics
  • Year:
  • 2003

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Abstract

This paper investigates the application of artificial neural networks to the problem of job shop scheduling with a scope of a deterministic time-varying demand pattern over a fixed planning horizon. The purpose of the research is to design and develop a job shop scheduling system (a scheduling software) that can generate effective job shop schedules using the multi-layered perceptron (MLP) networks. The contributions of this study include designing, developing, and implementing a production activity scheduling system using the MLP networks; developing a method for organizing sample data using a denotation bit to indicate processing sequence and processing time of a job simultaneously; using the back-propagation training process to control local minimal solutions; and developing a heuristics to improve and revise the initial production schedule. The proposed production activity schedule system is tested in a real production environment and illustrated in the paper with a sample case.