Frequency domain based real-time performance optimization of Lur'e systems

A. Agung Chris Setiadi, D.J. Rijlaarsdam, P.W.j.M. Nuij, M. Steinbuch

Research output: Contribution to journalArticleAcademicpeer-review

6 Citations (Scopus)
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Nonlinear effects can lead to performance degradation in (controlled) dynamical systems. This paper provides a practical method to optimally compensate performance degrading nonlinear effects in Lur'e-type systems in an automated way. Using novel frequency domain based techniques, a well defined performance measure is derived and real-time performance optimization is achieved by application of extremum seeking algorithm. This yields a new method for real-time compensation of performance degrading nonlinear effects, which is successfully demonstrated in both simulation and experiment.

Original languageEnglish
Pages (from-to)58-70
Number of pages13
JournalMechanical Systems and Signal Processing
Issue number1-2
Publication statusPublished - Jan 2014


  • Extremum seeking
  • Frequency domain methods
  • Nonlinear systems
  • Real-time performance optimization


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