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Modeling, Implementation and simulation of virtual factory based on colored timed Petri net

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2 Author(s)
Yang Jianhua ; Div. of Electr. & Comput. Eng., Yokohama Nat. Univ., Japan ; Y. Fujimoto

The Real-time Colored Petri Net (RTCPN), a modification of traditional Colored Timed Petri net, is proposed to describe virtual factory. In RTCPN, firing discipline differs from traditional way in that the concept of time-enabled transition is introduced to implement real-time simulation. In this paper, we address how to describe virtual factory using RTCPN model. Combined with block diagram, the concept of virtual place is also proposed to model large-scale factory rapidly and conveniently. At last, a Java-built-in implementation of RTCPN tool is developed and a Printed-Circuit-Board factory is given to investigate time cost of developed tool. Concurrent feature of RTCPN is also discussed to decrease simulation time and improved results shows its effectiveness.

Published in:

Emerging Technologies and Factory Automation, 2003. Proceedings. ETFA '03. IEEE Conference  (Volume:1 )

Date of Conference:

16-19 Sept. 2003