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Allocation de commande pour l'électrotechnique et l'électronique de puissance

Abstract : This thesis is about the use of control allocation theory in the field of electrical engineering and power electronics. It is composed of two parts. The first one is related to control allocation theory and the second one focuses on the control of a particular application: the parallel interconnection of DC/DC converters. The control allocation theory gives tools to design control laws for input redundant systems. However, current definitions about those systems suffer from a lack of uniformity. That is why the first part provides new definitions and characterisations of input redundant systems in order to take input and state constraints into account. Furthermore, the control allocation method named "geometric approach" is enhanced to deal with input constraints while designing the control law. Thanks to those contributions, it is shown in the second part that the system composed of the parallel interconnection of DC/DC converters to a single load is an input redundant system. On this system, some methods of the control allocation theory are used to design a controller with stability and performance guarantees. Simulations and experimentations are given to highlight those development.
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Submitted on : Thursday, September 10, 2020 - 4:50:09 PM
Last modification on : Monday, September 13, 2021 - 2:44:03 PM
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  • HAL Id : tel-02935822, version 1


Jérémie Kreiss. Allocation de commande pour l'électrotechnique et l'électronique de puissance. Automatique / Robotique. Université de Lyon, 2019. Français. ⟨NNT : 2019LYSEI119⟩. ⟨tel-02935822⟩



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