A Study of Performance Influence Caused by Mode Interference for Vibratory Cylindrical Gyroscope

Yi Tao; Ding Bang Xiao; Bao Jun Wang; De Fu Sun; Jiang Wei Li; Lei Qiang Zong

doi:10.4028/www.scientific.net/AMR.834-836.1540

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 834-836A Study of Performance Influence Caused by Mode...

A Study of Performance Influence Caused by Mode Interference for Vibratory Cylindrical Gyroscope

Abstract:

The interference mode has a significant bad influence on the performance of the VCG, in order to reduce the interference, the interference modes frequency should be far away from the working frequency of the VCG. In this article, the FEM software ANASYS is used to analyze the vibration mode of the resonator with a PCB base and a steel base, the frequency response of these two kinds resonators are measured, finally, the performance of the gyroscopes are tested. From the testing results we can find, by changing the resonators base from PCB to steel, the interference mode is eliminated, and the zero-bias instability of the gyroscope is improved from 3.37°/h to 0.73°/h.

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Periodical:

Advanced Materials Research (Volumes 834-836)

Pages:

1540-1543

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.834-836.1540

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Online since:

October 2013

Authors:

Yi Tao, Ding Bang Xiao, Bao Jun Wang, De Fu Sun, Jiang Wei Li, Lei Qiang Zong

Keywords:

Mode Interference, Vibratory Cylindrical Gyroscope, Zero-Bias Instable

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