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Air gap control with a sliding mode control method

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    Title: Air gap control with a sliding mode control method
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    Date: 2018
    Publication type: Seminar work
    Authors:
    No. First name Last name Show
    1. IPCO CONF
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    Venue
    University Constantine1 , Electrical Laboratory of Constantine LEC, Ain El Bey Road, Constantine, 25000, Algeria. University larbi tebessi of tebessa

    Abstract

    In this work, the control of the levitation of a ferromagnetic object by using a planar magnetic bearing has been proposed and simulated. Such control is based on the correction of the magnetic force applied on the object as a function of its displacement by the action on the supplying current of the magnetic bearing. To achieve a control that permits a quick reaching of the desired object equilibrium position and to take into account the mass disturbance, the sliding mode control (SMC) method has been applied. To permit the correction of the dc supplying current, the bearing is energized by a four quadrants chopper.