This paper describes a new type of magnetic suspansion system using a rotary geared m 〔 ⊃tor and a disk magnet . In Lhis suspension system , the suspensim ユ forcc is provided by a disk . . type permanent magnet n 。 nd is c ntro ] lcd by a magnetic fiux path c { ⊃ntrol mechanism , which rotates the disk magnet to change the flux pass 艮 ng through the suspended objecL . This suspension system may rcalize zere attractive force to avoid the し mcontrollable adhcsioi 〕, changing the polarity 〔} f the

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... stator poles for comp ] ex apP 】 ications , and zero − puwer levitation with the constant airgap . Ln th { s paper , suspension principle and thc expcrimental prototype of this proposed system are introduced , the basic experi . mellts using the prototype are examined , and the modcl 量 ng all〔赴 simulation are carried out , Finally, some suspension experirnents fQr verifying thc susperls 正 oll perforlnance are executed .