集成系统的关键事件路径分析方法  

A Key Event Path Analysis Approach for Integrated Systems

作　　者：廖晶静[1] 王明哲[2] 

机构地区：[1]中国舰船研究设计中心,武汉430064 [2]华中科技大学,武汉430074

出　　处：《徐州工程学院学报（自然科学版）》2012年第4期55-60,共6页Journal of Xuzhou Institute of Technology(Natural Sciences Edition)

基　　金：国家自然科学基金项目(61273207)

摘　　要：通过研究概率事件结构图的事件路径,提出了集成系统的关键事件路径分析方法.根据集成系统体系结构描述提取的规则,构造着色Petri网模型对应的概率事件结构图,并给出其循环事件路径、顺序事件路径和关键事件路径的定义.然后利用着色Petri网模型的仿真统计结果,采用灵敏度分析方法找出其关键事件路径.该方法强化了逻辑结构特性,可靠实用,是离散事件系统结构化分析的基础.最后以一个建模实例详细阐述了该方法的应用,结果适用可信.By studying the key event paths of Probabilistic Event Structure Graphs （PESGs）, a key e- vent path analysis approach for integrated system models is proposed. According to rules concluded from integrated system architecture descriptions, the corresponding PESGs are constructed from the CPN mod- els. Then the definitions of cycle event paths, sequence event paths and key event paths are given. Where after, based on the statistic results after the simulation of CPN models, key event paths are found out by the sensitive analysis approach. This approach focuses on the logic structures of CPN models, which is re- liable and could be the basis of structured analysis for discrete event systems. An example of radar model is given to characterize the application of this approach, and the results are worthy of trust.

关 键 词：概率事件结构图 着色PETRI网 事件路径 结构化分析 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]