G - Physics – 01 – C
Patent
G - Physics
01
C
G01C 19/56 (2006.01)
Patent
CA 2502326
In a method for electronic tuning of the frequency of the read oscillation to the frequency of the stimulation oscillation in a Coriolis gyro (1') according to the invention, the resonator (2) of the Coriolis gyro (1') has a disturbance force applied to it such that the stimulation oscillation remains essentially uninfluenced, with the read oscillation being changed such that a read signal which represents the read oscillation contains a corresponding disturbance component. The frequency of the read oscillation is controlled such that the magnitude of the disturbance component which is contained in the read signal is a minimum.
La présente invention concerne un procédé d'accord électronique de la fréquence de vibration d'extraction à la fréquence de vibration d'excitation dans un gyroscope vibrant (1'). Selon cette invention, le résonateur (2) du gyroscope vibrant (1') est soumis à une force parasite telle que la vibration d'excitation reste sensiblement inchangée, alors que la vibration d'extraction est modifiée de façon qu'un signal d'extraction représentant la vibration d'extraction contienne une fraction parasite correspondante. La fréquence de la vibration d'extraction est régulée de façon à minimiser la fraction parasite contenue dans le signal d'extraction.
Bcf Llp
Litef Gmbh
Northrop Grumman Litef Gmbh
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