METHOD FOR DETERMINING A PHASE POSITION OF A ROTATION RATE SIGNAL OR A QUADRATURE SIGNAL, METHOD FOR ADAPTING A DEMODULATION PHASE, AND ROTATION RATE SENSOR

A method for determining a phase position of a rotation rate or quadrature signal of a rotation rate sensor. The rotation rate sensor include an oscillatory system which is excited to a drive oscillation and by rotations of the sensor to a detection oscillation. In a first step, a detection signal i...

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Bibliographic Details
Main Authors Buhmann, Alexander, Ezekwe, Chinwuba
Format Patent
LanguageEnglish
Published 21.04.2022
Subjects
GYROSCOPIC INSTRUMENTS
MEASURING
MEASURING DISTANCES, LEVELS OR BEARINGS
NAVIGATION
PHOTOGRAMMETRY OR VIDEOGRAMMETRY
PHYSICS
SURVEYING
TESTING
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Summary:A method for determining a phase position of a rotation rate or quadrature signal of a rotation rate sensor. The rotation rate sensor include an oscillatory system which is excited to a drive oscillation and by rotations of the sensor to a detection oscillation. In a first step, a detection signal is ascertained over a time interval, the detection signal reflecting an amplitude of the detection oscillation as a function of time, in a second step, the detection signal is separated into a first and a second signal component, the first and the second signal component being statistically independent of one another, and in a third step, the phase position of the rotation rate signal or the quadrature signal is ascertained as a function of the first signal component and/or the second signal component. A method for adapting a demodulation phase and a rotation rate sensor are also provided.
Bibliography:Application Number: US202117450939