Coriolis gyro

Details Coriolis gyro Coriolis gyro

G - Physics

01

C

G01C 19/574 (2012.01)

Patent

CA 2701384

The invention relates to a Coriolis gyro having an arrangement which comprises a substrate (5, 22, 24, 26), at least two individual structures (61, 62, 63, 64, 500, 600, 700, 800) and spring elements (for example 1, 2, 3, 21, 23, 25), with the spring elements (for example 1, 2, 3, 21, 23, 25) coupling the individual structures (61, 62, 63, 64, 500, 600, 700, 800) to the substrate (5, 22, 24, 26) and to one another, having force transmitters (for example 514, 614, 714, 814) and having taps (for example 534, 634, 734, 834), wherein the arrangement has at least one excitation mode (7) which can be excited by the force transmitters (for ex- ample 514, 614, 714, 814) and at least one detection mode (8) which can be measured by the taps (for example 534, 634, 734, 834), wherein the excitation mode (7) and the de- tection mode (8) are closed off, as a result of which no dis- turbance excitations of the excitation mode and of the de- tection mode can be caused by linear accelerations and/or vibrations if there is no need to take account of manufactur- ing tolerances.

L'invention concerne un gyroscope Coriolis comprenant un arrangement qui inclut un substrat (5, 22, 24, 26), au moins deux structures individuelles (61, 62, 63, 64, 500, 600, 700, 800) et des éléments flexibles (par exemple 1, 2, 3, 21, 23, 25). Selon l'invention, les éléments flexibles (par exemple 1, 2, 3, 21, 23, 25) relient les structures individuelles (61, 62, 63, 64, 500, 600, 700, 800) avec le substrat (5, 22, 24, 26) et entre elles. L'objet de l'invention comprend également des capteurs de force (par exemple 514, 614, 714, 814) et des prises (par exemple 534, 634, 734, 834) et, selon l'invention, l'arrangement possède au moins un mode d'excitation (7) qui peut être activé par les capteurs de force (par exemple 514, 614, 714, 814) et au moins un mode de détection (8) qui peut être mesuré par les prises (par exemple 534, 634, 734, 834). Toujours selon l'invention, le mode d'excitation (7) et le mode de détection (8) sont fermés, ce qui a pour effet qu'aucune excitation parasite du mode d'excitation et du mode de détection ne peut être provoquée par des accélérations linéaires ou des vibrations lorsqu'il ne faut tenir compte d'aucune tolérance de fabrication.

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