1. INTEGRATED DRIVE FOR CONTACT-FREE FULL ROTATION AND ITS NOVEL POSITIONING METHODOLOGY.
- Author
-
KWANG SUK JUNG and SANG HEON LEE
- Subjects
ROTATIONAL motion ,INDUCTION motors ,MOTION ,DYNAMICS ,ROTATING masses of fluid ,ENGINEERING ,ENGINEERING design - Abstract
To expand an inevitably limited rotating range of the existing planar precision stage, we suggest a revolving stage driven by three-separate axial type of transverse flux induction motors spaced 120° apart. It is a non-contact integrated rotating system that uses three-axial vector forces such as normal and thrust force of each motor. In this paper, the primary principles capable of realizing such a contact-less revolving stage are reviewed and compared, with results that seem to confirm the main principles of the suggested system. And then, the positioning method with only the air-gap measurements covering full degree of freedom is presented, compared with that of existing stages. [ABSTRACT FROM AUTHOR]
- Published
- 2008
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