本刊1984年第二期发表了化工部第六设计院沈加明同志的“信号重叠法能改善分程控制系统的调节品质吗?”一文(以下简为“沈文”),为活跃学术空气,中心站组织广大读者参加讨论。现根据自己的体会谈一些看法,不妥之处,请同志们批评指教。一、如何实现采用信号重叠法的分程控制系统当生产工艺需要的可调范围超过单个调 The second issue of 1984 issue of the Sixth Design Institute of Chemical Engineering Comrade Shen Jiaming “signal overlap method can improve the regulation quality of the split-range control system?” (Hereinafter referred to as “Shen Wen”), for Active academic air, the central station to organize readers to participate in the discussion. Now according to their own experience to talk about some opinions, inappropriate, please comrades criticism. First, how to achieve the use of signal overlapping method of sub-control system When the production process needs more than a single adjustable range