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Flexible Automation and Intelligent Manufacturing,  1997:<br>Proceedings of the Seventh International FAIM Conference

ISBN:
978-1-56700-089-4 (Print)
978-1-56700-442-7 (Online)

FUZZY LOGIC CONTROL OF MATERIAL FLOW IN FLEXIBLE MANUFACTURING SYSTEMS

Eman Kamel
Department of Industrial Engineering University of Louisville Louisville, Kentucky 40292 USA

William E. Biles
Department of Industrial Engineering University of Louisville, Louisville, KY 40292

Abstract

Automated material flow is essential to the optimal performance of a Flexible Manufacturing System. For those Flexible Manufacturing Systems for which material flow is carried out using conveyors, the control of the conveyor system is the key to managing material delivery to the several machines comprising the system. This paper describes a fuzzy logic-based control model for a Flexible Manufacturing System conveyor system. Fuzzy logic technology is employed to realize Proportional Integral Derivative control in real-time. Conveyor speed on each conveyor segment is controlled using fuzzy logic techniques to regulate the arrival rate of pallets to work stations. In this way, the production throughput of the Flexible Manufacturing System is maximized.