Strictly Positive Real Systems Based on Reduced-Order Observers

Rolf Johansson, J. Collado, R. Lozano

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceedingPeer review

Sammanfattning

We study the extension of the class of linear time-invariant open-loop systems that may be transformed into SPR systems introducing a reduced-order observer. It is shown that for open-loop stable systems a cascaded observer achieves the result. For open-loop unstable systems observer-based feedback is required to succeed. In general, any stabilizable and observable system may be transformed into an SPR system defining a new output based on the observer state. This overcomes the old conditions of minimum phase and relative degree one for the case of keeping the original output. The result is illustrated with some examples.
Originalspråkengelska
Titel på värdpublikationProc. 47th IEEE Conference on Decision and Control (CDC2008)
StatusPublished - 2008
Evenemang47th IEEE Conference on Decision and Control, 2008 - Cancun, Mexiko
Varaktighet: 2008 dec. 92008 dec. 11
Konferensnummer: 47

Konferens

Konferens47th IEEE Conference on Decision and Control, 2008
Land/TerritoriumMexiko
OrtCancun
Period2008/12/092008/12/11

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