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Magnetic force modelling and nonlinear switched control of an electromagnetic actuator

Flavien Deschaux 1 Frédéric Gouaisbaut 1 Yassine Ariba 1 
1 LAAS-MAC - Équipe Méthodes et Algorithmes en Commande
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : This paper presents the magnetic force modelling of a typical electromagnetic valve actuator system. In this work, the objective is to take into account two important features: the magnetic saturation phenomenon which is a physical problem and the positivity constraint of the magnetic force. Those issues are addressed with a switch modelling approach. The first proposed control law proves the stability in a limited set and the second one ensure the global stability of the closed loop system. For both controllers, the main part of the control consists of a two steps backstepping control, a first controller regulates the mechanical part depending on the expression of the magnetic force. And a second controller controls the coil current and the magnetic force implicitly. An illustrative example shows the effectiveness of the approach.
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https://hal.laas.fr/hal-02080251
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Submitted on : Tuesday, March 26, 2019 - 3:35:41 PM
Last modification on : Tuesday, October 25, 2022 - 11:58:11 AM
Long-term archiving on: : Thursday, June 27, 2019 - 5:13:06 PM

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  • HAL Id : hal-02080251, version 1

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Flavien Deschaux, Frédéric Gouaisbaut, Yassine Ariba. Magnetic force modelling and nonlinear switched control of an electromagnetic actuator. {date}. ⟨hal-02080251v1⟩

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