CALIBRATION OF GYROSCOPIC SYSTEMS WITH VIBRATION GYROSCOPES Russian patent published in 2014 - IPC G01C25/00 G01C19/5691 

Abstract RU 2509981 C2

FIELD: measurement equipment.

SUBSTANCE: in a gyroscopic system comprising at least four vibration gyroscopes, the first measurement is provided by a vibration gyroscope subject to calibration, and the second measurement is provided by a combination of measurements from other vibration gyroscopes of the system. At the level of the vibration gyroscope to be calibrated they apply the initial command for the direction to change the position from the first vibration position into the second vibration position. The calibrated value of the scale coefficient of the vibration gyroscope subject to calibration is determined on the basis of the calculated value in respect to variation of the position, on the basis of the period of time, within which the initial command is applied, the initial command, the angle difference between the first and second vibration positions, measured in accordance with the first measurement, and angle difference measured according to the second measurement.

EFFECT: higher accuracy of calibration in respect to a scale coefficient value.

11 cl, 3 dwg

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RU 2 509 981 C2

Authors

Karon Zhan-Mishel'

Dates

2014-03-20Published

2009-11-27Filed