Title :
Counterexamples for sufficient and necessary conditions of internal stability
Author :
Zhang, W.D. ; Xu, X.M.
Author_Institution :
Dept. of Autom., Shanghai Jiaotong Univ., China
fDate :
5/1/2000 12:00:00 AM
Abstract :
The authors discuss sufficient and necessary conditions guaranteeing the internal stability of systems. Counterexamples are constructed, and it is shown that conditions given by some current literature are not sufficient. The rigorous version is then given
Keywords :
closed loop systems; control system analysis; feedback; poles and zeros; robust control; closed loop systems; feedback control; internal stability; necessary conditions; poles; sufficient conditions; zeros;
Journal_Title :
Control Theory and Applications, IEE Proceedings -
DOI :
10.1049/ip-cta:20000392
