Input amplitude modulation control for a multi-degree of freedom electromagnetic machine
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United States of America Patent
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Jan 22, 2019
Grant Date -
Jan 18, 2018
app pub date -
Jul 12, 2016
filing date -
Jul 12, 2016
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Abstract
A multi-degree-of-freedom electromagnetic machine includes a stator, an armature, and a control. The stator includes a first stator conductor, a second stator conductor, and a third stator conductor. The armature is disposed adjacent to, and is movable relative to, the stator. The armature includes an armature conductor and a plurality of magnets, where each magnet has at least one of its magnetic poles facing the surface. The control is coupled to the first, second, and third stator conductors, and is configured to supply direct current (DC) to the first, second, and third stator conductors, and to selectively amplitude modulate the DC supplied to one or more of the first, second, and third stator conductors, to thereby electromagnetically couple the armature conductor to the one or more first, second, and third stator conductors.
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