A TCPN model and deadlock avoidance for FMS jobshop scheduling and control system

Scheduling and control system of a FMS is complex because of the flexible production environment, dynamic changes of the system and orders, and dynamic decision requirement. Therefore a model that can handle such complicated system is necessary. In this article, a generic model for FMS jobshop sched...

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Hauptverfasser:	JINYAN, M, CHAI, S. Y, YOUYI, W
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Applied sciences Computer science control theory systems Control system synthesis Control systems Control theory. Systems Delay Dynamic scheduling Exact sciences and technology Feedback Fires Flexible manufacturing systems Inhibitors Operational research and scientific management Operational research. Management science Petri nets Process control. Computer integrated manufacturing Scheduling, sequencing System recovery
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Beschreibung
Zusammenfassung:	Scheduling and control system of a FMS is complex because of the flexible production environment, dynamic changes of the system and orders, and dynamic decision requirement. Therefore a model that can handle such complicated system is necessary. In this article, a generic model for FMS jobshop scheduling and control system based on timed coloured Petri nets (TCPN) is proposed. A feedback structure to ensure that the TCPN model is deadlock free is designed. Based on the model, deadlock can be avoided regardless of what scheduling rules are used.
DOI:	10.1109/ETFA.1995.496692