Methods and systems for measuring parameters of rotating shafts and couplings
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United States of America Patent
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Jul 5, 2022
Grant Date -
Dec 3, 2020
app pub date -
Apr 17, 2018
filing date -
Apr 17, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods for measuring displacement parameters of rotating shafts and couplings are disclosed. In some aspects, a measurement system includes a shaft extended in a longitudinal direction and a target wheel configured to rotate with the shaft. The target wheel includes sensor targets circumferentially distributed around the target wheel. Some of the targets are slanted in the longitudinal direction and some of the targets are parallel to the longitudinal direction. The measurement system includes a sensor array including at least three sensors mounted radially around the shaft and configured to detect the sensor targets as the target wheel rotates with the shaft. The measurement system includes a controller configured to receive sensor signals from the sensors and determine, based on the sensor signals, at least an axial displacement measurement of the shaft in the longitudinal direction and a radial displacement measurement of the shaft.
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