Mitchell, J. K., Jewell, G. J., Wang, J. et al, Bingham, Chris and Howe, David
(2002)
Influence of an aperture on the performance of a two-degree-of-freedom iron-cored spherical permanent-magnet actuator.
IEEE Transactions on Magnetics, 38
(6).
pp. 3650-3653.
ISSN 0018-9464
Full content URL: http://dx.doi.org/10.1109/TMAG.2002.804812
| Influence of an aperture on the performance of a two-degree-of-freedom iron-cored spherical permanent-magnet actuator | | Abstract—This paper describes a computational and experimental study of a two-degree-of-freedom spherical permanent-magnet actuator equipped with an iron stator. In particular, it considers the effect of introducing an aperture in the stator core to facilitate access to the armature. The resultant magnetic field distribution in the region occupied by the stator windings, the net unbalanced radial force, and the resulting reluctance torque are determined by three-dimensional magnetostatic finite-element
analysis. The predicted reluctance torque is validated experimentally, and its implications on actuator performance are described. | | ![[img]](http://eprints.lincoln.ac.uk/style/images/fileicons/application_pdf.png)
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| Item Type: | Article |
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| Item Status: | Live Archive |
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Abstract
Abstract—This paper describes a computational and experimental study of a two-degree-of-freedom spherical permanent-magnet actuator equipped with an iron stator. In particular, it considers the effect of introducing an aperture in the stator core to facilitate access to the armature. The resultant magnetic field distribution in the region occupied by the stator windings, the net unbalanced radial force, and the resulting reluctance torque are determined by three-dimensional magnetostatic finite-element
analysis. The predicted reluctance torque is validated experimentally, and its implications on actuator performance are described.
| Additional Information: | Abstract—This paper describes a computational and experimental study of a two-degree-of-freedom spherical permanent-magnet actuator equipped with an iron stator. In particular, it considers the effect of introducing an aperture in the stator core to facilitate access to the armature. The resultant magnetic field distribution in the region occupied by the stator windings, the net unbalanced radial force, and the resulting reluctance torque are determined by three-dimensional magnetostatic finite-element
analysis. The predicted reluctance torque is validated experimentally, and its implications on actuator performance are described. |
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| Keywords: | permanent magnet actuators, finite element modelling |
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| Subjects: | H Engineering > H600 Electronic and Electrical Engineering |
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| Divisions: | College of Science > School of Engineering |
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| ID Code: | 2352 |
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| Deposited On: | 24 Apr 2010 18:51 |
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