Title :
Frequency-domain criteria of robust stability for slowly time-varying systems
Author_Institution :
Dept. of Electr. Eng. & Comput. Eng., Iowa State Univ., Ames, IA, USA
fDate :
1/1/1995 12:00:00 AM
Abstract :
The problem of stability of feedback systems with structured slowly time-varying uncertain gains is considered. For the case when the pair “uncertain gain/derivative” belongs to a given convex set, a sufficient frequency-domain condition of stability is obtained. This condition is an MIMO generalization of the SISO results derived in the 60s in the context of the positivity theory
Keywords :
closed loop systems; frequency-domain analysis; robust control; time-varying systems; uncertain systems; convex set; feedback systems; frequency-domain criteria; robust stability; slowly time-varying systems; sufficient condition; time-varying uncertain gains; Attenuation; Control systems; Design methodology; Design optimization; Linear systems; Riccati equations; Robust control; Robust stability; Time varying systems; Uncertainty;
Journal_Title :
Automatic Control, IEEE Transactions on
