Abstract
For thin steel plates which are used in many industrial products, we have proposed a magnetic levitation control system and confirmed the feasibility by using the digital control experiment. However, there is the risk that side slipping and dropping of the plate may occur due to inertial force, since the levitation control does not provide restraining force for the direction of travel. Therefore we have proposed to equip electromagnetic actuators in order to control the horizontal position motion of the levitated steel plate. Using this method, the basic performance of the horizontal uniaxial-direction noncontact positioning control of a thin steel plate (thickness 0.3mm) and its efficacy is confirmed. In this study, by expanding the range of objects of levitation to include ultra thin steel plate (thickness 0.18mm), we examine the fundamentals of the control performance of steel plates in the levitation direction with the addition of horizontal positioning control.
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