一、前言从本讲开始准备通过对一些实际的计算机控制系统的剖析,来介绍一些典型的行之有效的控制方案与方法。同时分析采用这些控制系统的必要性以及它们投运之后会带来什么样的经济效果。在上一讲中我们已经指出,过程控制与空间技术有许多不同的特点,因此针对过程控制的控制方法也 First, the preface From the beginning of this article prepared by some of the actual computer control system analysis, to introduce some of the typical effective control programs and methods. At the same time, it analyzes the necessity of adopting these control systems and what kind of economic effect they will bring after put into operation. In the previous lecture, we have already pointed out that process control and space technology have many different characteristics. Therefore, the control methods for process control