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用频率法对一个自动控制系统进行动态校正是工程中最常用的方法之一。它的物理概念清楚,也易于由实验求出模型和估算抗扰动能力,但在校正过程中计算繁琐,费时很多。本文对于由电网络及有源滤波器构成的校正系统探讨了计算机的自动校正方案。它能够直接按开环频域指标进行综合设计,并且给出校正电路的传递函数及具体元件参数,这对于工程设计者来讲是十分方便的。
Using frequency method to dynamically correct an automatic control system is one of the most commonly used methods in engineering. Its physical concept is clear, it is also easy to experimentally derive models and estimate the ability to resist disturbances, but calculations are cumbersome and time-consuming in the calibration process. In this paper, the automatic correction scheme of computer is discussed for the correction system composed of electric network and active filter. It can directly according to the open-loop frequency domain index comprehensive design, and given the calibration circuit transfer function and the specific component parameters, which is very convenient for the designer.