Current Trends in Nonlinear Systems and Control

Part of the series Systems and Control: Foundations & Applications pp 3-14

Circle-Criterion Observers and Their Feedback Applications: An Overview

  • Murat ArcakAffiliated withElectrical, Computer, and Systems Engineering Department, Rensselaer Polytechnic Institute

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This chapter gives an overview of the “circle-criterion” design of nonlinear observers, initiated and further developed by the author in a series of papers. It summarizes these results in a concise and unified manner and illustrates them with physically motivated design examples from fuel cell power systems, ship control, and active magnetic bearing systems.