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Observer-based Strict Positive Real (SPR) Feedback Control System Design

Publiceringsår: 2002
Språk: Engelska
Sidor: 1557-1564
Publikation/Tidskrift/Serie: Automatica
Volym: 38
Nummer: 9
Dokumenttyp: Artikel
Förlag: Pergamon

Sammanfattning

This paper presents theory for stability analysis and design for a class of observer-based feedback control systems. Relaxation of the controllability and observability conditions imposed in the Yakubovich-Kalman-Popov (YKP)lemma can be made for a class of nonlinear systems described by a linear time-invariant system (LTI) with a feedback-connected cone-bounded nonlinear element. It is shown how a circle-criterion approach can be used to design an observer-based state feedback control which yields a closed-loop system with specified robustness characteristics. The approach is relevant for design with preservation of stability when a cone-bounded nonlinearity is introduced in the feedback loop. Important applications are to be found in nonlinear control with high robustness requirements.

Disputation

Nyckelord

  • Technology and Engineering
  • Strict positive realness (SPR)
  • Robustness
  • Observers
  • Stability

Övriga

Published
Yes
  • ISSN: 0005-1098

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