Magnetically Levitated Planar Actuator With Moving Magnets

This paper concerns the design, optimization, and commutation of a six-degree-of-freedom planar actuator with an active magnetic bearing. The planar motor has a stationary coil array and a translator with a Halbach magnet array. During movements in the plane, the set of energized coils changes with...

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Bibliographic Details
Published in:IEEE transactions on industry applications 2008-07, Vol.44 (4), p.1108-1115
Main Authors: Jansen, J.W., van Lierop, C.M.M., Lomonova, E.A., Vandenput, A.J.A.
Format: Article
Language:English
Subjects:
Actuators
Arrays
Coiling
Coils
Commutation
Design optimization
Electromagnetic forces
Linear synchronous motors
Magnetic levitation
Magnets
Movements
Performance evaluation
permanent-magnet motors
planar actuators
Planar motors
Ripples
Topology
Translators
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Description
Summary:This paper concerns the design, optimization, and commutation of a six-degree-of-freedom planar actuator with an active magnetic bearing. The planar motor has a stationary coil array and a translator with a Halbach magnet array. During movements in the plane, the set of energized coils changes with the position of the translator. In this paper, a method for the electromagnetic design of this type of actuator is discussed, and several topologies are compared. The best performing topology in terms of power dissipation and force and torque ripples has been manufactured and successfully tested.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2008.926065