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ISSN : 1598-7248 (Print)
ISSN : 2234-6473 (Online)
Industrial Engineering & Management Systems Vol.7 No.3 pp.99-107
DOI :

Dynamic Scheduling of FMS Using a Fuzzy Logic Approach to Minimize Mean Flow Time

Pramot Srinoi, 1Ebrahim Shayan, 2Fatemeh Ghotb
Department of Mechatronics Engineering Pathumwan Institute of Technology, THAILAND
1Faculty of Engineering and Industrial Sciences Swinburne University of Technology, VIC, 3122, AUSTRALIA
2Faculty of Engineering and Industrial Sciences Swinburne University of Technology, VIC, 3122, AUSTRALIA
Selected paper from APIEMS2005

Abstract

This paper is concerned with scheduling in Flexible Manufacturing Systems (FMS) using a Fuzzy Logic (FL) approach. Four fuzzy input variables: machine allocated processing time, machine priority, machine available time and transportation priority are defined. The job priority is the output fuzzy variable, showing the priority status of a job to be selected for the next operation on a machine. The model will first select the machines and then assign operations based on a multi-criteria scheduling scheme. System/machine utilization, minimizing mean flow time and balancing machine usage will be covered. Experimental and comparative tests indicate the superiority of this fuzzy based scheduling model over the existing approaches.

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