Alternative control methods for DC-DC converters. An application to a four-level three-cell DC-DC converter

Abstract : This paper proposes three synthesis methods for controlling power converters. The three control strategies yield state feedback control laws that are easy to implement. The first method is a stabilization approach, based on energetic principles and the notion of Lyapunov function. The second is an optimal control approach based on the minimum principle. The third is a neural predictive approach which uses model predictive control to track a given optimal stable limit cycle. This method allows a proper control of the waveform. Except for the predictive approach, system stability for the methods is guaranteed by construction. The four-level three-cell DC-DC converter is used as a benchmark to test these strategies. Simulation and experimental results show that the methods have a good performance even with load perturbations.
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Submitted on : Wednesday, April 6, 2011 - 10:02:56 AM
Last modification on : Friday, November 16, 2018 - 1:29:50 AM

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Diego Patino, Mihai Bâja, Pierre Riedinger, Hervé Cormerais, Jean Buisson, et al.. Alternative control methods for DC-DC converters. An application to a four-level three-cell DC-DC converter. International Journal of Robust and Nonlinear Control, Wiley, 2011, 21 (7), pp.1112-1133. ⟨10.1002/rnc.1651⟩. ⟨hal-00581575⟩

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