H-infinity output-feedback control based on an FIR-type quasi-deadbeat observer
SCIE
SCOPUS
- Title
- H-infinity output-feedback control based on an FIR-type quasi-deadbeat observer
- Authors
- Kim, SH; Park, PG
- Date Issued
- 2008-07
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Abstract
- This technical note proposes a novel output-feedback control law based on a finite impulse response (FIR)-type quasi-deadbeat observer for linear systems. For nominal systems without disturbances, this technical note first establishes the deadbeat condition that reduces the state estimation error to zero within a finite time and verifies that all the hidden poles of the closed-loop system under the quasi-deadbeat observer-based control law are zero and that the separation principle holds true. In order to enhance the disturbance rejection capability for systems with random-work disturbances, on the structural merit of the FIR-type observer, we have proposed the conditions for an H-infinity quasi-deadbeat observer and an H-infinity stabilizer based on the predetermined observer, respectively.
- Keywords
- deadbeat property; finite impulse response (FIR) structure; separation principle; H-infinity performance; DISCRETE-TIME-SYSTEMS; STATE-SPACE MODELS; BEAT OBSERVERS
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/22512
- DOI
- 10.1109/TAC.2008.921042
- ISSN
- 0018-9286
- Article Type
- Article
- Citation
- IEEE TRANSACTIONS ON AUTOMATIC CONTROL, vol. 53, no. 6, page. 1492 - 1498, 2008-07
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