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Article
Publication date: 2 October 2017

Shyh-Leh Chen, Pei-Hua Lee and Chow-Shing Toh

This paper is concerned with the design and analysis of a bearingless motor.

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Abstract

Purpose

This paper is concerned with the design and analysis of a bearingless motor.

Design/methodology/approach

The bearingless motor is obtained by a regular three-pole active magnetic bearing with an intentionally attached unbalanced mass on the rotor. It is the unbalanced mass that will generate the rotational torque for the motor function. Modeling and control of the unbalanced mass-type bearingless motor have been considered.

Findings

It is found through simulations that both functions of motor and magnetic bearing can indeed be achieved in this system.

Originality/value

This novel bearingless motor requires no additional windings and permanent magnets. Thus, it can greatly reduce the cost and design of the bearingless motor.

Details

Engineering Computations, vol. 34 no. 7
Type: Research Article
ISSN: 0264-4401

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