Integrated manufacturing system modeling and simulation using distributed colored timed Petri net

In this paper, an integrated and distributed modeling and simulation environment is developed for the next generation manufacturing systems. A distributed colored timed Petri net (DCTPN) is the modeling technique for the proposed environment. Based on the DCTPN, the shop floor process and the manufacturing execution system (MES) can be integrated horizontally and vertically. In addition, a component-based three-tier application architecture is developed to achieve the distributed transparency, fault tolerance and load balance. Finally, an order release server is integrated to the shop floor process DCTPN model to provide the wafer release orders based on different order releasing control policies