现场通信系统的仿真建模及其性能评价方法  

A Method of Simulation Modeling and its Performance Evaluation in Field Communication Systems

作　　者：费敏锐[1] 李旭[1] 

机构地区：[1]上海大学机电工程与自动化学院,上海200072

出　　处：《系统仿真学报》2002年第3期381-384,共4页Journal of System Simulation

基　　金：上海市科学技术发展基金国际合作项目(编号:015107017);科技攻关项目(编号:005111072)资助。

摘　　要：由于Petri网适于描述系统冲突和竞争,故在较多场合中引入了Petri网对通信协议及系统进行建模。但目前采用Petri网对现场通信系统建模和评价还很少,通过Petri网协议描述实现现场通信和评价系统性能双重功能更无先例。本文在时间Petri网的基础上加以拓展,提出了现场通信协议的类时间Petri网描述方法。针对多协议现场通信控制装置FCCD,从理论上建立了FCCD系统的类时间Petri网模型,实现了多协议智能设备的互连及其系统的性能仿真评价。The communication protocols and their systems are modeled by introducing Petri Nets in more situations because they are easy to descript the collision and competition of systems. However, it is less to model and evaluate the field communication systems by Petri Nets, and there is no example about both realizing field communication and evaluating its system performance by the protocol description of Petri Nets. Based on the theory of Timed Petri Nets in this paper, the description method of Quasi Timed Petri Nets used for field communication protocol is proposed. The interconnection among multi-protocol intelligent field instruments and the performance simulation evaluation in the interconnection system are implemented by establishing the Quasi Timed Petri Nets model of Field Communication Control Device (FCCD).

关 键 词：现场通信系统 仿真 建模 性能评价 PETRI网 

分 类 号：TN914[电子电信—通信与信息系统] TP391.9[电子电信—信息与通信工程]