نتایج جستجو برای: colored petri net
تعداد نتایج: 118579 فیلتر نتایج به سال:
Object-oriented programming [9], which treats objects as processes in execution, has shown significant effectiveness in distributed systems. This effectiveness is greatly influenced by how objects are assigned to nodes. In this paper, we present a colored generalized stochastic Petri net (CGSPN) model to analyze the behavior of object invocations when an assignment strategy is applied. The effe...
We previously proposed a Colored Petri Net (CPN) based modeling methodology to model multiagent systems. The methodology creates a component to describe the local behavior for each agent, and then concatenate all components to form a system model. In this paper, we focus on a case study to evaluate our modeling approach. The experiments in the case study are based on modeling and simulation of ...
Focusing on the protection of privacy and nonpublicity of special networks, the CPN model is extended to PCPN by the protocol factor and the formal model. The FPCPN (Formal Protocol Colored Petri Net) is presented to analyze the operation mechanism of protocols. It is introduced by four steps, such as the whole structure, the network element conversion, the conditions of transition triggers/exe...
Hospital mission is to insure patient safety and quality of care associated with any medical processor. Among to provide performance hospitals processors is medicine drugs circuit. Modeling and simulating is an excellent tool that allows understanding this complexity and analyzing performances. In this paper, we propose a simulation models with Colored Petri Net (CPN) of Medicine Drugs Chain. B...
UML statecharts are widely used to specify the dynamic behaviours of systems . To support systematic simulation of such models, we propose an approach to map systems specified using UML diagrams to colored Petri net notations. Simulation results are provided in form of self-defined trace files and Message Sequence Charts. A prototype tool is described. One unique feature of our research is the ...
Parametric model of switched Ethernet in the form of a colored Petri net is presented. The model is invariant regarding the structure of the network; it has fixed number of nodes for any given tree-like network. Special measuring fragments, which accomplish the model, provide the evaluation of the network throughput and the frame delivery time directly in the process of simulation. The anomaly ...
As some structural properties, like generative families of positive P-invariants, can only be computed in P/T nets, unfolding of Colored Petri Nets is of interest. However, it may generate huge nets that cannot be stored concretely in memory. In some cases, removing the dead parts of the unfolded net can dramatically reduce its size, but this operation requires the unfolded net to be represente...
Petri nets are widely used for modelling systems. The different areas and goals require different types of Petri nets. Each Petri net contains beside places, transitions, and arcs several further specific elements. Furthermore, a Petri net type defines a specific firing rule. There are many different Petri net types. It is not easy to have a general view on this bulk of Petri net types. Thus, t...
In this paper, a genetic algorithm (GA) embedded search strategy over a colored timed Petri net (CTPN) for wafer fabrication is proposed. Through the CTPN model, all possible behaviors of the wafer manufacturing systems such as WIP status and machine status can be completely tracked down by the reachability graph of the net. The chromosome representation of the search nodes in GA is constructed...
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