Increasing the dynamic range of a mems gyroscope

Details Increasing the dynamic range of a mems gyroscope Increasing the dynamic range of a mems gyroscope

G - Physics

01

C

G01C 19/5776 (2012.01) G01C 19/5621 (2012.01)

Patent

CA 2483711

A MEMS gyroscope system and method for increasing a dynamic range of the MEMS gyroscope is provided. By adjusting a scale factor of the MEMS gyroscope, the highest sensed rate will be increased, which increases the dynamic range. The scale factor is adjusted by using a variable sense bias and/or an automatic gain control loop in sense electronics.

L'invention concerne un système de gyroscope MEMS (microélectromécanique) et un procédé permettant d'augmenter une gamme dynamique du gyroscope MEMS. Le réglage d'un facteur d'échelle du gyroscope MEMS permet d'augmenter la vitesse détectée la plus élevée, augmentant ainsi la gamme dynamique. Le facteur d'échelle peut être réglé par mise en oeuvre d'une polarisation de détection variable et/ou d'une boucle de régulation de gain automatique dans des éléments électroniques de détection.

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