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Magnetic force modelling and nonlinear switched control of an electromagnetic actuator

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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Submitted on : Wednesday, September 4, 2019 - 9:50:37 AM
Last modification on : Monday, July 4, 2022 - 10:06:41 AM
Long-term archiving on: : Wednesday, February 5, 2020 - 5:32:22 PM


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  • HAL Id : hal-02278015, version 1


Flavien Deschaux, Frédéric Gouaisbaut, Yassine Ariba. Magnetic force modelling and nonlinear switched control of an electromagnetic actuator. 58th Conference on Decision and Control (CDC 2019), Dec 2019, Nice, France. ⟨hal-02278015⟩



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