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本文详细介绍了在IBM-PC/XT 微型机上使用面向结构图的数字仿真程序,对热工过程自动调节系统中比较复杂的汽鼓锅炉给水自动调节系统实现计算机辅助设计的过程,给出了各种系统调试的数据和过渡过程仿真打印曲线,表明了CAD(ComputerAided Design)技术是帮助工程技术人员进行自控系统设计的良好工具。
This paper introduces the use of the structural drawing-oriented digital simulation program on the IBM-PC / XT microcomputers, and introduces the process of computer aided design of the more complex automatic control system of feedwater for the drum boiler automatic control system. The simulation data of the system debugging and the simulation of the transition curve show that the CAD (ComputerAided Design) technology is a good tool to help the engineers and technicians to design the automatic control system.