Microsystem Technologies

, Volume 25, Issue 1, pp 139–149 | Cite as

Simulating the performance of ring-based coriolis vibrating gyroscopic sensors

  • Davin JieEmail author
Technical Paper


This paper presents a mathematical model for an imperfect ring gyroscope exhibiting spatial variations of the mass and stiffness of the ring arising from manufacturing imperfections and simulates the dynamics of the resonating ring dictating its performance under practical operating conditions. Actual tests performed on real devices involve significant costs and procedures, so the work aims to achieve the same aim with high fidelity models. The model used investigates the effects of shock and frequency splits between the drive and sense modes on the performance of the sensor in relation to the extent of the spatial mass and stiffness variations in the resonating ring. Severe reductions in shock tolerance are observed at shorter shock pulse durations. Small frequency splits between the drive and sense modes have minimal effects on the shock tolerance and the ring’s sense mode amplitude when excited electrostatically, but sharply increase the zero-rate readout (bias) and decrease the sensor’s sensitivity to angular velocity changes (scale factor). The extent of the tolerable frequency splits is limited by the half-power bandwidth of the sense mode, which is predominantly influenced by the system damping.



The author would like to thank Dr. Stewart McWilliam (University of Nottingham) for the supervision of this research work.

Compliance with ethical standards

Conflict of interest

The author declares that there is no conflict of interest.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.The University of Nottingham, Malaysia CampusSemenyihMalaysia

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