Dynamic manufacturing scheduling using both functional and resource related agents

  • Authors:
  • Weiming Shen;Douglas H. Norrie

  • Affiliations:
  • Div. of Manuf. Eng., The Univ. of Calgary, 2500 Univ. Dr. NW, Calgary, Alberta, Canada T2N 1N4. T: +14032204165/ F: +14032828406/ norrie@enme.ucalgary.ca (Present address: NRC-IMTI, 800 Collip Cir ...;Div. of Manuf. Eng., The Univ. of Calgary, 2500 Univ. Dr. NW, Calgary, Alberta, Canada T2N 1N4. T: +14032204165/ F: +14032828406/ norrie@enme.ucalgary.ca

  • Venue:
  • Integrated Computer-Aided Engineering
  • Year:
  • 2001

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Abstract

Manufacturing scheduling is a difficult problem, particularly when it takes place in an open and dynamic environment. Agent-based technology has recently been used in attempts to resolve this problem. A bidding mechanism based on Contract Net protocol is often proposed as a key solution component. Our approach is to use both functional and physical resource related agents, and combine a bidding mechanism based on Contract Net protocol with a mediation mechanism based on Mediator architecture for realizing dynamic manufacturing scheduling and rescheduling. A machine-centered scheduling mechanism and related concepts and mechanisms are described, and a prototype implementation is presented.