分布系统的单管热交换器传递函数的本性奇点
Essential Singular Points of Transfer Function of Single Tube Heat Exchangers in Distributed Systems
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摘要: 大多数的工业生产过程是分布参数系统,用偏微分方程描述.本文以常用的分布参数典 型装置--单管热交换器为例,介绍在考虑其传热壁的影响后,传递函数中出现的特殊奇点, 即"本性奇点"的性质及系统进行比例反馈情况下本性奇点的根轨迹.Abstract: Most of the industrial control processes are distributed parameter systems, and they are discribed by differential partial equations. In this paper, a typical distributed parameter system-- the single tube heat exchanger, is presented. Taking into consideration the effect on the wall of the heat exchanger, properties of a kind of special singular points, the 'Essential Singular Points', is introduced. And their root loci in such systems under feedback are also studied.
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