In the simulation world view, there are three methods of constructing a simulation in common use: event scheduling, process orientation, and activity scanning (or three- phase approach). Because the three-phase approach has advantages of both modeling flexibility and modularity, we propose a simulation modeling tool, EPNSim, extended from the ordinary Petri Nets (PNs) to generate a language-independent pseudo code for the three-phase discrete simulation. Using the proposed method, the modeling processes of the three-phase discrete simulation can be concisely represented. In addition, it preserves the relative analytic properties of the original Petri net models (e.g. boundedness, liveliness, etc.), which are important for designing a system.
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2.
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3.
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4.
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5.
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6.
Bruno, G. & M. Morisio. "Petri-Net Based Simulation of Manufacturing Cells", Proceedings of the IEEE International Conference on Robotics and Automation, Raleigh, North Carolina, ( 1987), pp.1174-1179.
7.
Crookes, J.G. , D.W. Balmer, S.T. Chew, R.Y. Paul. "A Three-phase Simulation System written in Pascal", Journal of Operational Research Society, Vol. 37, No. 6, ( 1986), pp. 603-618.
8.
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9.
Haas, P.J. & G.S. Shedler. "Stochastic Petri Net Representation of Discrete Event Simulation", IEEE Transactions on Software Engineering, Vol. 15, No.4, ( 1989), pp.381-393.
10.
Holliday, M.A. & M.K. Vernon. "A Generalized Timed Petri Net Model for Performance Analysis ", IEEE Transactions on Software Engineering , Vol.13, No.12, (1987), pp.1297-1310.
11.
Hooper, J.W. "Activity Scanning and the Three-Phase Approach ", SIMULATION, Vol.47, No.5, (1986), pp.210-211.
12.
Hooper, J.W. , "Language Features for Discrete Simulation ", Computer Language, Vol.12, No.1, (1987), pp. 39-46.
13.
Lin, James T. "PASIMT: A Discrete Event Simulation Tool Kit in PASCAL", Journal of Management Science (Chinese Management Association), Vol. 7, No. 2, Dec. (1990).
14.
Murata,T., "Petri Nets: Properties, Analysis, and Applications", Proceedings of the IEEE, Vol.77, No.4, (1989), pp.541-579.
15.
O'Keefe, R.M. "The Three-Phase Approach: A Comment on Strategy-Related Characteristics of Discrete-Event Languages and Models", SIMULATION, Vol.47, No.5, (1986), pp.208-209.
16.
O'Keefe, R.M. "Visual Discrete Simulation with Pascal_SIM ", Proceedings of the 1986 Winter Simulation Conference , Washington, D. C. (1986).
17.
Pegden, C.D. , Introduction to SIMAN with Version 3.0 Enhancements , Systems Modeling Co., (1985).
18.
Peterson, J.L. , Petri Net Theory and the Modeling of Systems , Prentice Hall Inc., Englewood Cliffs, New Jersey, (1981).
19.
Pristker, A.A.B. , Introduction to Simulation and SLAM II, 3rd ed., John Wiley & Sons, (1986).
20.
Schriber, T.J. , Simulation Using GPSS, John Wiley & Sons, (1974).
21.
Tom, A.A. , "Simulation Graphs: A General Tool for Modeling Simulation Designs", SIMULATION, Vol.37, No.6, (1981), pp.187-194.
22.
Torn, A.A. , "Simulation Nets, A Simulation Modeling and Validation Tool", SIMULATION, Vol.45, No.2, (1985), pp.71-75.
23.
Tom, A.A. "Decision Support by Rapid Simulation Using Simulation Nets", Decision Support Systems, Vol.6, (1990), pp.299-305.
24.
Valavanis, K.P., "On the Hierarchical Modeling Analysis and Simulation of Flexible Manufacturing Systems with Extended Petri Nets ", IEEE Transactions on Systems, Man, and Cybernetics, Vol.20, No.1, ( 1990), pp.94-110.
25.
Zhou, M.C., F. DiCesare, A.A. Desrochers. "A Top-down Modular Approach to Synthesis of Petri Net Models for Manufacturing Systems", Proceedings of the IEEE International Conference on Robotics and Automation, Scottsdale, Arizona , (1989), pp.534-539.
