NDLI: Hammerstein Model-Based Robust Control of DC/DC Converters

Content Provider	IEEE Xplore Digital Library
Author	Alonge, F. D'Ippolito, F. Cangemi, T.
Copyright Year	2007
Description	Author affiliation: Univ. of Palermo, Palermo (Alonge, F.; D'Ippolito, F.; Cangemi, T.)
Abstract	This paper deals with model-based robust control of DC/DC power electronic converters. The converter is modelled by means of its static characteristic and a few continuous-time linear and time-invariant (LTI) models corresponding to contiguous ranges of duty-cycle. The model appears as a Hammerstein model in which the values of the parameters of the LTI part depend on the actual duty-cycle operating range. This suggests to describe the converter as an uncertain system to be controlled using robust control techniques. Frequency domain approach is used for describing the nominal model and the uncertainty. In view of applying robust control, identification of the LTI models is performed by means of simulation experiments carried out on a converter switched model implemented on MATLAB-SIMULINK environment. Internal Model Control (IMC) structure is employed for the controller design, but its implementation is performed using the equivalent classical feedback control structure. Comparison with a PI controller, designed by means of phase margin assignment, shows the peculiarities of the proposed approach.
Starting Page	754
Ending Page	762
File Size	7499336
Page Count	9
File Format	PDF
ISBN	9781424406449
DOI	10.1109/PEDS.2007.4487788
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-11-27
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Robust control DC-DC power converters Mathematical model Power system modeling Power electronics Uncertain systems Control systems Frequency domain analysis Uncertainty Switching converters Power converters Hammerstein model Model identification
Content Type	Text
Resource Type	Article

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