Synchronization in micromechanical gyroscopes

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Abstract

In this paper, we study the occurrence of synchronization between the two degenerate resonance modes of a micro disk resonator gyroscope. Recently, schemes involving the simultaneous actuation of the two vibration modes of the gyroscope have been implemented as a promising new method to increase their performance. However, this strategy might result in synchronization between the two modes, which would maintain frequency mode-matching but also may produce problems, such as degrading stability and sensitivity. Here, we demonstrate for the first time synchronization between the degenerate modes of a micro-gyroscope and show that synchronization dramatically reduces frequency instability at the cost of increased amplitude instability.

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APA

Defoort, M., Taheri-Terhani, P., Nitzan, S., & Horsley, D. A. (2016). Synchronization in micromechanical gyroscopes. In 2016 Solid-State Sensors, Actuators and Microsystems Workshop, Hilton Head 2016 (pp. 84–87). Transducer Research Foundation. https://doi.org/10.31438/trf.hh2016.24

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