ACCELEROMETER CALIBRATION IN A ROTATING MEMBER

ACCELEROMETER CALIBRATION IN A ROTATING MEMBER

To calibrate an accelerometer, a rotating member is rotated over multiple periods, thereby causing the accelerometer attached to the rotating member to repeatedly turn over. A processor obtains acceleration measurements as the accelerometer turns and determines a set of local minima and maxima of th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DAWSON CHAD S, WERTZ JOHN
Format: Patent
Sprache:eng
Schlagworte:
INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
MEASURING
MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK
PHYSICS
TESTING
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Beschreibung
Zusammenfassung:To calibrate an accelerometer, a rotating member is rotated over multiple periods, thereby causing the accelerometer attached to the rotating member to repeatedly turn over. A processor obtains acceleration measurements as the accelerometer turns and determines a set of local minima and maxima of the acceleration measurements. Based on these local minima and maxima, the processor determines a sensitivity of the accelerometer. The processor stores the sensitivity for use in adjusting subsequent accelerometer measurements, thus calibrating the accelerometer.