Method for determining a zero-point error in a vibratory...

Details Method for determining a zero-point error in a vibratory... Method for determining a zero-point error in a vibratory...

G - Physics

01

C

G01C 19/56 (2006.01) G01C 25/00 (2006.01)

Patent

CA 2519726

In a method for determination of the zero error of a Coriolis gyro (1') the resonator (2) of the Coriolis gyro (1') has appropriate disturbance forces applied to it such that at least one natural oscillation of the resonator (2) is stimulated, which differs from the stimulating oscillation and from the read oscillation of the resonator (2), and a change in a read signal which represents the read oscillation and results from the stimulation of the at least one natural oscillation is determined as a measure of the zero error.

L'invention concerne un procédé pour déterminer une déviation résiduelle dans un gyroscope vibrant (1').Ce procédé consiste à soumettre le résonateur (2) du gyroscope vibrant (1') à des forces perturbatrices appropriées de sorte qu'au moins une vibration propre du résonateur (2), qui diffère de la vibration d'excitation et de la vibration de sortie du résonateur (2), et une modification d'un signal de sortie représentant la vibration de sortie, qui résulte de l'excitation de la ou des vibrations propres, soient déterminées en tant que valeur de la déviation résiduelle.

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