基于CPN的信息系统资源配置动态模型的建立

Dynamical modeling of resource allocation for information system based on coloured Petri nets

针对信息资源配置问题提出了一种基于有色 Petri网的规范化建模方法 ,并对整个建模过程进行了详细的描述 .提出了系统层次模型结构和执行图的概念 ,对执行图和 Petri网之间的转换过程进行了分析、定义 ,从而减少了大系统建模的复杂程度和工作量 .利用相关的计算机工具 ,可以方便地实现系统建模和对信息资源配置情况的评价。

This work is devoted to a dynamical modeling method of resource allocation for information systems based on coloured Petri nets. The method can be used in the more complex enterprise information systems. The definitions of system hierarchy model and execution graph are proposed. System developers can pay more attention on different level of the model according to their concern. And the transformation method between execution graph and petri net are analyzed. Based on the proposed dynamical hierarchy model, system developers can evaluate the system dynamical performance and adjust the resource allocation of information systems to meet the performance requirement. The modeling process of information systems is given in detail. And application example is presented.