Tracking with prescribed transient performance for hysteretic systems

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Abstract

Tracking of reference signals (assumed bounded with essentially bounded derivative) is considered for a class of single-input, single-output, nonlinear systems, described by a functional differential equation with a hysteresis nonlinearity in the input channel. The first control objective is tracking, by the output, with prescribed accuracy: determine a feedback strategy which ensures that, for every reference signal and every system of the underlying class, the tracking error ultimately satisfies the prescribed accuracy requirements. The second objective is guaranteed output transient performance: the graph of the tracking error should be contained in a prescribed set (performance funnel). Under a weak sector boundedness assumption on the hysteresis operator, both objectives are achieved by a memoryless feedback which is universal for the underlying class of systems.
Original languageEnglish
Pages (from-to)4731-4752
Number of pages22
JournalSIAM Journal on Control and Optimization
Volume48
Issue number7
Early online date6 Sep 2010
DOIs
Publication statusPublished - 2010

Keywords

  • hysteresis
  • tracking
  • functional differential equations
  • disturbance rejection
  • transient behavior
  • nonlinear systems

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