Noise Modelling and MPC Tuning for Systems with Infrequent Step Disturbances

Jakob Kjøbsted Huusom (Invited author), Niels Kjølstad Poulsen (Invited author), Sten Bay Jørgensen (Invited author), John Bagterp Jørgensen (Invited author)

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Abstract

In this paper, an offset-free SISO MPC implementation based on an ARX model of the system dynamics is investigated. Special emphasis is directed to achieving good closed loop performance for systems which may be step wised perturbed by a sustained, unmeasured disturbance. Hence a noise model which expresses the behaviour of this non-stationary noise process is sought. Tuning of the ARX-based MPC implementation is discussed and illustrated in a simulation example. Guidelines for tuning of the free parameters are presented.
Original languageEnglish
Title of host publicationProceedings of the 18. IFAC World Congress
Publication date2011
Pages11226-11232
Publication statusPublished - 2011
Event18th World Congress of the International Federation of Automatic Control - Milano, Italy
Duration: 28 Aug 20112 Sep 2011
Conference number: 18
http://www.ifac2011.org/

Conference

Conference18th World Congress of the International Federation of Automatic Control
Number18
CountryItaly
CityMilano
Period28/08/201102/09/2011
Internet address
SeriesIFAC Proceedings Volumes (IFAC-PapersOnline)
NumberPART 1
Volume18
ISSN1474-6670

Keywords

  • Controller tuning
  • Model Predictive Control
  • Noise models
  • Autoregressive models

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