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Criteria for Global Stability of Coupled Systems with Application to Robust Output Feedback Design for Active Surge Control

Författare

Summary, in English

The well-known and commonly accepted finite dimensional model qualitatively describing surge instabilities in centrifugal (and axial) compressors is considered. The problem of global output feedback stabilization for it is solved. The solution relies on two new criteria for global stability proposed for a class of nonlinear systems exploiting quadratic constraints for infinite sector nonlinearities. Two families of robust output feedback controllers are proposed. Controllers from the first family ensure global exponential stabilization. The ones from the second family provide integral action but only ensure local exponential and global asymptotic stability. Performance is verified by simulations.

Publiceringsår

2009

Språk

Engelska

Publikation/Tidskrift/Serie

Proc. 2009 IEEE Multi-conference on Systems and Control (MSC 2009)

Dokumenttyp

Konferensbidrag

Ämne

  • Control Engineering

Nyckelord

  • Nonlinear systems
  • Control applications
  • Stability
  • Output Feedback Control

Conference name

IEEE Multi-conference on Systems and Control, 2009

Conference date

2009-07-08 - 2009-07-10

Conference place

St. Petersburg, Russian Federation

Status

Published

Projekt

  • Active Control 2007-2009
  • Active Control 2010-2012

Forskningsgrupp

  • LCCC