Abstract

This paper presents a disk-type magnetic levitation motor (MLM) to provide rotary motion. The proposed MLM offers numerous advantages. First, it can accomplish the levitation force and propulsive force by using only a single power source. Second, with the circular structure, it can provide unlimited traveling distance without the end effect for general characteristics analyses. Third, the stabilization is improved by taking additional mechanical design consideration without using extra set of electromagnet and complicated control. Eventually, a special test facility is designed and implemented for torque test, and the experimental measurements are provided to demonstrate the feasibility of constructing a MLM. Experimental results show that the electrical characteristics of the proposed MLM agree with the theoretical results of a linear induction motor. The measured results can be used to develop a robust controller for the MLM in the future.

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