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Sensors 2014, 14(6), 10072-10080; doi:10.3390/s140610072
Article

Characteristics Verification of an Independently Controllable Electromagnetic Spherical Motor

* ,
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Received: 31 March 2014; in revised form: 23 May 2014 / Accepted: 4 June 2014 / Published: 10 June 2014
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Abstract: We have been developing electromagnetic spherical actuators capable of three-degree-of-freedom rotation. However, these actuators require complex control to realize simultaneous triaxial drive, because rotation around one axis interferes with rotation around another. In this paper, we propose a new three-degree-of-freedom actuator where 3-axes rotation can be controlled easily. The basic structure and the operating principle of the actuator are described. Then the torque characteristics and the dynamic characteristics are computed by employing 3D-FEM and the effectiveness of this actuator is clarified. Finally, the experimental results using the prototype of the actuator are shown to verify the dynamic performance.
Keywords: actuator; electromagnetic analysis; finite element method; permanent magnet motors actuator; electromagnetic analysis; finite element method; permanent magnet motors
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Maeda, S.; Hirata, K.; Niguchi, N. Characteristics Verification of an Independently Controllable Electromagnetic Spherical Motor. Sensors 2014, 14, 10072-10080.

AMA Style

Maeda S, Hirata K, Niguchi N. Characteristics Verification of an Independently Controllable Electromagnetic Spherical Motor. Sensors. 2014; 14(6):10072-10080.

Chicago/Turabian Style

Maeda, Shuhei; Hirata, Katsuhiro; Niguchi, Noboru. 2014. "Characteristics Verification of an Independently Controllable Electromagnetic Spherical Motor." Sensors 14, no. 6: 10072-10080.


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