Rotary variable differential transformer (RVDT) sensor assembly with auxiliary output signal
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United States of America Patent
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Apr 4, 2017
Grant Date -
Feb 12, 2015
app pub date -
Jan 27, 2012
filing date -
Jan 27, 2012
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Abstract
Disclosed are assemblies, systems, devices and methods, including an assembly to determine an angular position of a rotatable structure external to the assembly. The assembly includes a sensor including a rotatable member, a main winding set and at least one auxiliary winding, and also a coupling element to couple the sensor to the external rotatable structure to cause rotation of the rotatable member of the sensor in response to rotation of the external rotatable structure. Resultant voltages at the main winding set and at the at least one auxiliary winding are produced based, at least in part, on an angular position of the rotatable member of the sensor. The angular position of the external rotatable structure is determined based on the resultant voltages at the main winding set and at the at least one auxiliary winding.
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