System and Method for Calibrating an Absolute Position Sensor
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United States of America Patent
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Issued Date -
Sep 2, 2010
app pub date -
Jan 31, 2007
filing date -
Feb 1, 2006
priority date (Note) -
Abandoned
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Abstract
A system and method for calibrating an absolute angular position sensor and/or for providing pre-calibrated absolute angular position sensors comprises comparing, at a pre-elected number of angular positions, the angular position derived from the output of the sensor to the angular position reported by a reference sensor. The difference between the two outputs is used as an error correcting factor for the respective position. In addition to calibrating the sensor to reduce sensor errors, the calibration can also be used to determine the sensor output corresponding to an index position of interest.
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