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

Publiceringsår: 2009
Språk: Engelska
Dokumenttyp: Konferensbidrag


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.



  • Technology and Engineering
  • Nonlinear systems
  • Control applications
  • Stability
  • Output Feedback Control


2009 IEEE Multi-conference on Systems and Control (MSC 2009)
Saint Petersburg, Russia
  • LCCC

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