Method for operating a rotation rate sensor

A method for operating a rotation rate sensor is provided, the rotation rate sensor including a seismic mass, in a first operating step a drive signal and a test signal being provided, in a second operating step a modulation signal being generated by modulating the drive signal with the test signal,...

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Bibliographic Details
Main Author BUHMANN ALEXANDER
Format Patent
LanguageEnglish
Published 11.06.2015
Subjects
CONTROL OR REGULATING SYSTEMS IN GENERAL
CONTROLLING
FUNCTIONAL ELEMENTS OF SUCH SYSTEMS
MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS
PHYSICS
REGULATING
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Summary:A method for operating a rotation rate sensor is provided, the rotation rate sensor including a seismic mass, in a first operating step a drive signal and a test signal being provided, in a second operating step a modulation signal being generated by modulating the drive signal with the test signal, in a third operating step the seismic mass being driven to carry out a drive movement as a function of the modulation signal, a detection signal being detected as a function of a detection movement of the seismic mass, in a fourth operating step a demodulation signal being provided, a sensor signal being generated by demodulating the detection signal with the demodulation signal, in the fourth operating step a demodulation phase of the demodulation signal being adapted in such a way that a rotation rate offset of the detection signal is compensated for.
Bibliography:Application Number: US201414564990