Title :
On robust stability of multirate digital control systems
Author :
Araki, Mituhiko ; Hagiwara, Tomomichi ; Fujimura, Toshifumi ; Goto, Yukio
Author_Institution :
Dept. of Electr. Eng., Kyoto Univ., Japan
Abstract :
A sufficient condition for robust stability of multirate digital control systems under additive plant perturbation is given using the notion of symmetric-coordinate multirate impulse modulation (SMIM). In addition, a norm upper bound of the additive perturbations for the SMIM of the plant that result from the bounded additive perturbation of the original continuous-time plant is given. Numerical examples are also studied to compare continuous-time, single-rate digital, and multirate digital control systems from the viewpoint of robust stability
Keywords :
discrete time systems; perturbation techniques; stability; multirate digital control systems; perturbation; stability; sufficient condition; symmetric-coordinate multirate impulse modulation; upper bound; Digital control; Digital modulation; Digital systems; Equations; Frequency response; Robust stability; Sampling methods; Stability criteria; Sufficient conditions; Uncertainty;
Conference_Titel :
Decision and Control, 1990., Proceedings of the 29th IEEE Conference on
Conference_Location :
Honolulu, HI
DOI :
10.1109/CDC.1990.203957
