PLC顺序过程控制系统的状态分析与编程实现  

ANALYSIS OF STATUSES OF PLC PROCESS CONTROL SYSTFJVI IN SEQUENCE AND IMPLEMENTATION OF PROGRAMMING

作　　者：叶树华[1] 叶菱 崔凯 

机构地区：[1]华北工学院计算机科学系,太原030051 [2]电子研究所,太原030002

出　　处：《计算机应用与软件》2003年第5期69-71,共3页Computer Applications and Software

摘　　要：状态迁移图和Petri网是软件工程中重要的系统动态分析方法,本文通过实例,介绍了如何用这些方法来分析PLC顺序过程控制系统中设备和系统的状态及其迁移变化规律,并给出相应的梯形图控制程序。Status transfer graph and Petri net are important analysis methods for system in software engineering. In this paper we introduce how to use these methods for analyzing change and transfer among statuses of system and devices in PLC process control system in sequence through a example , and the corresponding LAD program code is given.

关 键 词：可编程序控制器 PLC 顺序过程控制系统 状态分析 程序设计 状态迁移图 PETRI网 软件工程 

分 类 号：TM571.61[电气工程—电器] TP311.1[自动化与计算机技术—计算机软件与理论]