Gyroscope noise reduction and drift compensation

Details Gyroscope noise reduction and drift compensation Gyroscope noise reduction and drift compensation

1996-07-01

1998-08-18

Oda, Christine K.

Measuring and testing

Instrument proving or calibrating

Angle, direction, or inclination

735033, 7350402, G01P 700

Patent

active

057959889

ABSTRACT:
A low-cost gyroscope can provide an output approaching the accuracy of more precise instruments by processing the gyroscope output signal. First, a calibration algorithm develops a set of coefficients to predict drift. Second, an adaptive operational algorithm updates the coefficients during periods of inactivity and filters out high and low frequency noise components. An accurate, low-cost, rugged aiming device for a weapon can be realized with a simple, relatively-inexpensive gyroscope by utilizing the foregoing algorithms.

REFERENCES:
patent: 4671112 (1987-06-01), Kimura
patent: 5430342 (1995-07-01), Watson

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