Calibration of Inertial Sensors

Report No. ARL-MR-481
Authors: Thompson, Andrew A.
Date/Pages: October 2000; 60 pages
Abstract: The calibration of accelerometers, angular rate sensors, and inertial measurement units (IMU) increases the accuracy of their measurements. For artillery rounds and most rockets, measurements are acquired while the body is spinning. By the comparison of the sensor output to known input, calibration is accomplished. Calibration requires a model of the sensor. The model represents the measurement process. Model selection, calibration equipment, and data selection affect the usefulness of a calibration for a given mission. Calibration is model fitting for a specific mission or class of missions.
Distribution: Approved for public release
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Last Update / Reviewed: October 1, 2000