Assessment of nonlinear predictive control techniques for DC-DC converters
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Author / Producer
Date
2007
Publication Type
Conference Paper
ETH Bibliography
yes
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Abstract
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.
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Publication status
published
Editor
Book title
7th IFAC Symposium on Nonlinear Control Systems
Journal / series
Volume
40 (12)
Pages / Article No.
395 - 401
Publisher
Elsevier
Event
7th IFAC Symposium on Nonlinear Control Systems (NOLCOS 2007)
Edition / version
Methods
Software
Geographic location
Date collected
Date created
Subject
predictive control; power circuits; robustness
Organisational unit
03416 - Morari, Manfred (emeritus)