Friction torque field distribution of a permanent‐magnet spherical motor based on multi‐physical field coupling analysis
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2011 ◽
Vol 131
(11)
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pp. 1301-1308
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2011 ◽
Vol 131
(7)
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pp. 907-913
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2008 ◽
Vol 44
(8)
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pp. 2016-2020
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