Gyro drift | Article about gyro drift by The Free Dictionary
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The movement of a gyro axis in the horizontal plane caused by real or apparent drift. Also called gyro wander
. See gyro wander
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Caption: FIGURE 4: The sample mean of the gyro drift
The step length model needs to be adjusted to each user as the model parameters are dependent on the pedestrian's physiological features and gait cycle, whereas headings are potentially misaligned with the actual walking direction because of gyro drift
and the device carrying mode.
The initial gyro drift
rate is 5 deg/h and the standard covariance of the driven noise is 0.003 deg/ [square root of h].
It is obvious from Figure 7 that on the no-faults condition the gyro drifts
and position information can be well estimated, especially since the estimation error for east gyro drift
is less than 10%.