Apparatus for Three-Axis IMU Calibration with a Single-Axis Rate Table

Abstract

Various methods and apparatuses are provided for calibrating a three-axis IMU sensor package using a single-axis rate table. In one embodiment, a method includes adjusting an x-axis position of a sensor by rotating an inner assembly along the circumference of the inner surface of the circular frame, adjusting a y-axis position of the sensor by rotating a portion of the inner assembly, spinning the single-axis rate table to generate z-axis rotation of the apparatus which results in simultaneous stimulation of all three axes of the sensor assembly, and obtaining measurements from the sensor corresponding to the x-axis position, the y-axis position, and the z-axis rotation of the apparatus.