An in-line multiple rotation sensor assembly

Details An in-line multiple rotation sensor assembly An in-line multiple rotation sensor assembly

G - Physics

01

C

G01C 19/68 (2006.01) G01C 19/70 (2006.01)

Patent

CA 2182797

An elongated inertial measurement unit having a plurality of gyros, none of which is aligned with the cardinal longitudinal axis of the elongated housing. At least one gyro has its input sensing axis aligned at an angle between 35 and 55 degrees, preferably at 45 degrees, relative to the cardinal longitudinal axis. This results in effective dithering by each of the enclosed gyros. All of the gyros are situated such that the centers of their masses or configurations are aligned with or approximately located in a row along the longitudinal axis of the elongated housing. The housing may be of various cross-sectional shapes, but the preferred shape of such housing is a right circular cylinder.

Ensemble allongé de mesure inertielle possédant une pluralité de gyroscopes, dont aucun n'est aligné sur l'axe cardinal longitudinal du boîtier allongé. L'axe de détection d'entrée d'au moins un gyroscope est aligné selon un angle de 35 à 55 degrés, de préférence de 45 degrés, par rapport à l'axe cardinal longitudinal. Cela permet d'obtenir une activation efficace par chaque gyroscope enfermé. La totalité des gyroscopes est placée de telle façon que les centres de leurs masses ou de leurs configurations soient alignés sur l'axe longitudinal du boîtier ou situés approximativement sur une rangée le long dudit axe. La forme de la section transversale du boîtier peut être variable mais elle est, de préférence, un cylindre vertical.

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