Study of Magnetic Levitation Control by Means of Correcting Gap Length Command for a Thin Steel Plate

Abstract

The techniques of MAGLEV are expected to apply not only to rail ways but also to various fields of industries. As one of such fields, the application to process lines of steel plates is now in the limelight. However, as the levitated steel plates are thin and flat in this kind of MAGLEV system, any guide force in conventional MAGLEV ones is not induced. Therefore once the steel plates levitate, soon the gravity force makes them sideslip if electromagnets are slantingly attached to a base table. This paper deals with a control method that lets the steel plate levitate stably and horizontally and deals with various experimental results.