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Published in: Microsystem Technologies 4/2015

01-04-2015 | Technical Paper

The elimination of gyroscope’s non-linear error and the broadening of its passband

Authors: Bing Mo, Miaowen Deng, Suki Kim, Chaodong Ling

Published in: Microsystem Technologies | Issue 4/2015

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Abstract

Theoretical calculation shows that the amplitude of angular velocity measured by micro-machined gyroscope that is based on the Coriolis force principle relates to its frequency. Due to the relationship between amplitude of angular velocity and its frequency, the angular velocity measured by gyroscope will not have a linear relationship with its actual value, which causes gyroscope’s non-linear error and restricts its width of passband. This article firstly analysed the working principle of the gyroscope that uses Coriolis force to measure angular velocity. Then put forward a solution that can completely eliminate gyroscope’s non-linear error and broaden its passband. The simulation consequence indicated that the method was actually right, which will improve the performance of gyroscope effectively. The conclusion is that the gyroscope can measure angular velocity linearly by using some common circuits and its passband is largely broadened.

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Metadata
Title
The elimination of gyroscope’s non-linear error and the broadening of its passband
Authors
Bing Mo
Miaowen Deng
Suki Kim
Chaodong Ling
Publication date
01-04-2015
Publisher
Springer Berlin Heidelberg
Published in
Microsystem Technologies / Issue 4/2015
Print ISSN: 0946-7076
Electronic ISSN: 1432-1858
DOI
https://doi.org/10.1007/s00542-014-2259-8

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