CLUTCH ACTUATOR, SENSING SYSTEM AND METHOD FOR SENSING AN ANGULAR POSITION OF A ROTATIONAL COMPONENT
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United States of America Patent
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Issued Date -
Mar 16, 2023
app pub date -
Jan 12, 2021
filing date -
Jan 29, 2020
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Abstract
A first sensor signal and a second sensor signal are provided by a sensor unit to an evaluation unit. The first sensor signal is dependent on the angular position and is associated with a first detection position, and the second sensor signal is associated with a second detection position lying about the rotational axis perpendicular to the first detection position. An angular position of a rotational component is determined by the evaluation unit based on output from an atan2-function that takes the first and second sensor signals as input. A harmonic error is determined by the evaluation unit based on a periodic error signal that is superimposed on each of the sensor signals. An angular error of the angular position is determined by the evaluation unit based on the harmonic error. The angular position is updated by the evaluation unit based on the angular error.
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