Expected interaction based design oriented frequency domain stability condition for decentralized control of TITO system

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Abstract

This paper analyzes process and control interaction in multivariable two-input two-output processes. It is well known that the off-diagonal terms in the matrix transfer functions introduce interaction effects that are to be taken into account at the controller design stage. When decentralized control is to be used, it is of primary importance to have knowledge of the constraints imposed by local designs into the behavior of the overall system. Special attention has to be paid to the potential instability caused by interaction effects generated by the control action on the other loop. This paper provides an analysis by means of an interaction measure defined in terms of the joint effect of process and control interaction. ©2006-2008 by CCC Publications - Agora University Ed. House.
Original languageEnglish
Pages (from-to)526-530
JournalInternational Journal of Computers, Communications and Control
Volume3
Issue numberSPL. ISS.
Publication statusPublished - 1 Dec 2008

Keywords

  • Decentralized control
  • Interaction
  • Multivariable systems

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