The stability of a nonlinear control system which consists of a sector bounded nonlinear gain in cascade with a fixed linear PID controller is analyzed using Popov stability criterion.
Stability of the controller is guaranteed by Popov stability criterion.
用波波夫稳定判据得到了控制器稳定的充分条件。
3
A systematical method of fuzzy controller design is introduced based on the Popov stability criterion and proportion property of input to output of the fuzzy controller.