Integrated motor and resolver including absolute position capability
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United States of America Patent
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Mar 24, 2009
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N/A
app pub date -
May 15, 2006
filing date -
May 15, 2006
priority date (Note) -
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Abstract
An integrated motor and position sensor achieves motion between a moving portion and a stationary portion by electrically energizing poles to interact with magnetics respectively on the moving and stationary portions. The position sensor includes a plurality of sensing coils placed to intercept the magnetic flux between a plurality of the poles and the magnetics. The outputs from these coils are fed to a microprocessor or DSP through an internal or external A/D converter. The microprocessor or DSP decodes the measured voltages using resolver strategies to produce a position, velocity or acceleration measurement.
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