Assessment of nonlinear predictive control techniques for DC-DC converters

A.G. Beccuti, M. Lazar, W.P.M.H. Heemels, G. Papafotiou, M. Morari

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

3 Citations (Scopus)


This article focuses on the application of two nonlinear predictive control strategies to fixed frequency switch-mode dc-dc converters. The first approach uses an averaged nonlinear model for predictions and provides an a priori robust stability guarantee for the resulting closed-loop system. The implementation of this scheme requires solving a single linear program on-line. The second approach employs a piecewise affine (PWA) approximation of the converter equations as prediction model and yields an explicit controller off-line, which allows for an a posteriori stability check. An assessment of the synthesis procedures and methodological characteristics is given and simulation results are shown to substantiate the effectiveness of the proposed approaches.
Original languageEnglish
Title of host publicationProceedings of the 7th IFAC Symposium on Nonlinear Control Systems (NOLCOS 2007), 21-24 August 2007, Pretoria, South Africa
EditorsX. Xia, F. Camisani-Calzolari
Place of PublicationOxford
ISBN (Print)978-1-605-60751-1
Publication statusPublished - 2007


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