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就线性常参量自动控制系统(以下简称系统)的分析和综合而言,求得系统对典型的外作用,例如往往取为单位阶跃函数1[t]的反应,一般,也就足够了。这是因为,由这种反应在极大的程度上,已经可以判明系统的主要性能,如稳定性、动态品质、静态误差等等;其次,从方法来讲也较为成熟、实用。(见资料)。但是,在分析或综合某些特定的系统时,却往往需要求得系统对某一特定的外作用的反应特性。有时并以此作为对系统性能是否
For the analysis and synthesis of a linear constant parameter automatic control system (hereinafter referred to as the system), it is usually enough to obtain the typical external effects of the system, for example, it is often taken as the reaction of unit step function 1 [t]. This is because, to a great extent, this reaction can already be used to identify the main performance of the system, such as stability, dynamic quality, static error and so on. Secondly, it is more mature and practical from the perspective of the method. (See information). However, when analyzing or synthesizing some specific systems, it is often necessary to obtain the response characteristics of the system to a specific external role. Sometimes and as a system performance is not