一、前言对一个被控变量用两个或两个以上的操纵变量来控制的调节系统,本文取名为双重或多重调节系统。早在1961年,D.E.Lupfer 与 M.W.Oglesby 就在精馏塔进料热焓的控制方案中介绍了这种双重调节系统。其后,P.S.Buckley 在讨论热交换 I. INTRODUCTION The regulation system that controls a controlled variable with two or more manipulated variables is named as double or multiple regulation system. As early as 1961, D.E. Lupfer and M.W.Oglesby introduced this dual regulation system in the control scheme for the enthalpy of the feed to the rectification column. P.S. Buckley was discussing hot exchanges later