Dynamic Analysis of an Independently Controllable Electromagnetic Spherical Actuator

We have been developing electromagnetic spherical actuators capable of three-degree-of-freedom rotation. However, these actuators require complex control because rotation around one axis interferes with rotation around another. In this paper, we propose a new 3-DOF actuator where the 3-axes can be i...

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Veröffentlicht in:	IEEE transactions on magnetics 2013-05, Vol.49 (5), p.2263-2266
Hauptverfasser:	Maeda, Shuhei, Hirata, Katsuhiro, Niguchi, Noboru
Format:	Artikel
Sprache:	eng
Schlagworte:	Actuators Cross-disciplinary physics: materials science rheology Dynamic tests Dynamics electromagnetic analysis Electromagnetics Exact sciences and technology Feedback control finite element method (FEM) Magnetic separation Magnetism Materials science Other topics in materials science Permanent magnet motors Physics Stability Stators Torque
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Zusammenfassung:	We have been developing electromagnetic spherical actuators capable of three-degree-of-freedom rotation. However, these actuators require complex control because rotation around one axis interferes with rotation around another. In this paper, we propose a new 3-DOF actuator where the 3-axes can be independently controlled, and the basic structure and the operating principle of the actuator are described. Then the dynamic performance under position feedback control is analyzed employing 3D-FEM and the effectiveness of this actuator is clarified.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/TMAG.2013.2242874