TABLE 3

Parameters of Experimental IMUs RMS: root mean square.

STIM 318ADIS 16475-2Nav/Chip v1s
ParametersValueUnitParametersValueUnitParametersValueUnit
Accelerometer
Bias 1-year stability1.5mgRepeatability1.4mgIn-run bias stability0.05mg
Bias instability0.003mgIn-run bias stability3.6μgBias accuracy8mg
Velocity random walk0.015Embedded ImageVelocity random walk0.012Embedded ImageNoise density (RMS)50Embedded Image
Gyroscope
Bias range250deg/hRepeatability0.7deg/sIn-run bias stability10deg/h
Drift rate stability3deg/hIn-run bias stability2.5deg/hNoise density (RMS)0.003Embedded Image
Bias instability0.3deg/hAngular random walk0.15Embedded ImageAngle random walk0.18Embedded Image
Angular random walk0.15Embedded ImageBias accuracy0.2deg/s
Other parameters
Size (length ×width ×height)44.8 × 38.6 × 21.511 ×15 ×1113.5 ×24 ×9mm
Weight551.36g
Power1800145214mW
Cost~7000~500~500Euro
Year202020212011