A sampled-data servomechanism for stable well-posed systems

Z Ke, Hartmut Logemann, R Rebarber

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In this technical note, an approximate tracking and disturbance rejection problem is solved for the class of exponentially stable well-posed infinite-dimensional systems by invoking a simple sampled-data low-gain controller (suggested by the internal model principle). The reference signals are finite sums of sinusoids and the disturbance signals are asymptotic to finite sums of sinusoids.
Original languageEnglish
Pages (from-to)1123-1128
Number of pages6
JournalIEEE Transactions on Automatic Control
Issue number5
Publication statusPublished - 2009


  • tracking
  • Disturbance rejection
  • infinite-dimensional systems
  • sampled-data control
  • low-gain control


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