Combined discrete-event and continuous model simulation and anal

Details Combined discrete-event and continuous model simulation and anal Combined discrete-event and continuous model simulation and anal

1992-03-30

1997-12-23

Treat, William M.

G06F 9455

Patent

active

057014396

ABSTRACT:
The tool comprises the first step of providing a first software component, serving as a timing element, for receiving global synchronization commands as input and issuing global simulation scheduler task dispatch commands as output. A second software component is provided, serving as a global simulation scheduler, for receiving the global simulation scheduler task dispatch commands as input, synchronizing discrete event model and continuous model task dispatch as a function of simulation time, and issuing local simulation scheduler task dispatch commands as output. At least a single third software component is provided, serving as a local simulation scheduler, for receiving the local simulation scheduler task dispatch commands as input and issuing local simulation task execution commands as output. The combination of these steps provides a processing environment wherein the local simulation task execution commands invoke user supplied simulation application tasks in a time synchronized manner.

REFERENCES:
patent: 4965743 (1990-10-01), Malin et al.
patent: 5247650 (1993-09-01), Judd et al.
Fishwick et al., "Creating Qualitative and Combined Models with Discrete Events", IEEE, 1991, pp. 306-315.
Hatono et al., "Modeling and On-Line Scheduling of Flexible Manufacturing Systems Using Stochastic Petri Nets", IEEE Transactions on Software Engineering, vol. 17, No. 2, Feb. 1991, pp. 126-132.

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