Method for detecting a zero-point error of a coriolis...

Details Method for detecting a zero-point error of a coriolis... Method for detecting a zero-point error of a coriolis...

G - Physics

01

C

G01C 19/56 (2006.01)

Patent

CA 2502328

In a method for determining the zero-point error of a Coriolis gyro (1'), the resonator (2) of the Coriolis gyro (1') has a disturbance force applied to it such that a change in the stimulation oscillation of the resonator (2) is brought about, and a change in the read oscillation of the resonator (2), which is brought about by a partial component of the disturbance force, is extracted from a read signal which represents the read oscillation of the resonator (2) as a measure of the zero-point error.

La présente invention concerne un procédé pour déterminer une déviation résiduelle d'un gyroscope vibrant (1'). Selon cette invention, le résonateur (2) du gyroscope vibrant (1') est soumis à une force parasite de façon à induire une modification de la vibration d'excitation du résonateur (2) et de façon qu'une modification de la vibration d'extraction du résonateur (2), induite par une composante partielle de la force parasite, soit extraite d'un signal d'extraction représentant la vibration d'extraction du résonateur (2), sous forme de mesure de la déviation résiduelle.

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