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用传统的根轨迹法设计反馈控制系统的串联校正装置是用手工方式通过图解方法进行的。本文提出的线性定常系统串联校正的设计方法,虽然也是以系统根轨迹为基础,但却是一种解析设计方法,串联校正装置的参数通过极点公式和零点公式解析求解得到,而不需要绘制根轨迹图,设计过程非常简便,特别适合于计算机求解。文中推导了串联校正装置的极点公式和零点公式,给出了设计步骤和程序框图,并通过实例说明了这种方法是可行的。
The design of the feedback control system using the traditional root locus method of series correction device is manually by way of graphical method. Although the design method of tandem correction for linear steady-state system proposed in this paper is based on the root locus of the system, it is an analytical design method. The parameters of the tandem correction device are obtained through the pole formula and the zero-point formula, without the need of drawing roots Track map, the design process is very simple, especially suitable for computer solutions. In this paper, the pole formula and zero point formula of the series correction device are deduced. The design steps and the block diagram are given. The example shows that this method is feasible.