Title :
Zero assignment and loop transfer recovery in LQG design
Author :
Shafai, B. ; Keel, L.H. ; Beale, S.
Author_Institution :
Dept. of Electr. & Comput. Eng., Northeastern Univ., Boston, MA, USA
Abstract :
The problem of loop transfer recovery (LTR) in linear quadratic Gaussian (LQG) design via observers is discussed. The LTR for both minimum and nonminimum phase systems is considered. For minimum phase systems, perfect recovery approaches are provided based on Luenberger proportional observer and proportional integral observer. For nonminimum phase systems, recent LTR approaches are summarized and the possibility of a new technique based on zero assignment is examined
Keywords :
control system synthesis; optimal control; poles and zeros; state estimation; LQG design; Luenberger proportional observer; control system synthesis; linear quadratic Gaussian; loop transfer recovery; minimum phase systems; nonminimum phase systems; proportional integral observer; state estimation; zero assignment; Closed loop systems; Design engineering; Ear; Feedback loop; Information systems; Kalman filters; Noise measurement; Riccati equations; Robustness; Transfer functions;
Conference_Titel :
Decision and Control, 1990., Proceedings of the 29th IEEE Conference on
Conference_Location :
Honolulu, HI
DOI :
10.1109/CDC.1990.203801
