多功能自动控制是一个有悠久发展历史的学科，但只是在计算机介入其中之后，它才进入了一个崭新的发展时代。当前在所有需要进行自动控制的地方几乎都是用计算机（或单片微型计算机）担负控制任务。可以说，没有计算机的参与就没有当代自动控制。-multifunctional control is a long history of the subject, but only in the computer to intervene, it will enter a new era of development. In all the current need for local control of almost all computer (or single-chip micro-computer) took control tasks. It can be said that no computer would not participate in the contemporary control.