13.1 Conformal Mapping: Cauchy's Theorem (保角映射:柯西定理) Recall Stability Problem: To determine the relative stability of a closed-loop system we must investigate the characteristic equation of the system
1.1 Introduction to Automatic Control Automatic Control Systems permeate life in all advanced societies today. Technological develop- ments have made it possible to travel to the moon; explore outer space. And