Observer-Based Solution to the Strictly Positive Real Problem
(2005)- Abstract
- We study the extension of the class of linear time invariant plants that may be transformed into SPR systems introducing an observer. It is shown that for open loop stable systems a cascaded observer achieves the result. For open loop unstable systems an observer-based feedback is required to succeed. In general any stabilizable and observable system may be transformed into an SPR system using cascade or cascade and feedback controllers. This overcomes the old conditions of minimum phase and relative degree one. The result is illustrated with some examples.
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/535670
- author
- Collado, J. ; Lozano, R. and Johansson, Rolf LU
- organization
- publishing date
- 2005
- type
- Chapter in Book/Report/Conference proceeding
- publication status
- published
- subject
- host publication
- Nonlinear and Adaptive Control, Tools and Algorithms for the User
- editor
- Astolfi, Alessandro
- publisher
- Imperial College Press
- external identifiers
-
- scopus:34447136187
- ISBN
- 1-86094-617-8
- project
- Nonlinear and Adaptive Control (NACO2) Network
- RobotLab LTH
- language
- English
- LU publication?
- yes
- id
- 529d4fd3-bd65-4461-bf2a-c86bfc985fd7 (old id 535670)
- date added to LUP
- 2016-04-04 10:55:13
- date last changed
- 2023-04-05 14:35:08
@inbook{529d4fd3-bd65-4461-bf2a-c86bfc985fd7, abstract = {{We study the extension of the class of linear time invariant plants that may be transformed into SPR systems introducing an observer. It is shown that for open loop stable systems a cascaded observer achieves the result. For open loop unstable systems an observer-based feedback is required to succeed. In general any stabilizable and observable system may be transformed into an SPR system using cascade or cascade and feedback controllers. This overcomes the old conditions of minimum phase and relative degree one. The result is illustrated with some examples.}}, author = {{Collado, J. and Lozano, R. and Johansson, Rolf}}, booktitle = {{Nonlinear and Adaptive Control, Tools and Algorithms for the User}}, editor = {{Astolfi, Alessandro}}, isbn = {{1-86094-617-8}}, language = {{eng}}, publisher = {{Imperial College Press}}, title = {{Observer-Based Solution to the Strictly Positive Real Problem}}, year = {{2005}}, }