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Sensors 2016, 16(8), 1206; doi:10.3390/s16081206

Analysis on Node Position of Imperfect Resonators for Cylindrical Shell Gyroscopes

College of Mechatronics Engineering and Automation, National University of Defense Technology, Changsha 410073, China
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Academic Editor: Francesco De Leonardis
Received: 8 June 2016 / Revised: 24 July 2016 / Accepted: 25 July 2016 / Published: 30 July 2016
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [6232 KB, uploaded 30 July 2016]   |  

Abstract

For cylindrical shell gyroscopes, node position of their operating eigenmodes has an important influence on the gyroscopes’ performance. It is considered that the nodes are equally separated from each other by 90° when the resonator vibrates in the standing wave eigenmode. However, we found that, due to manufacturing errors and trimming, the nodes may not be equally distributed. This paper mainly analyzes the influences of unbalanced masses on the cylindrical resonators’ node position, by using FEM simulation and experimental measurement. View Full-Text
Keywords: node position; imperfect resonator; trimming method node position; imperfect resonator; trimming method
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Wang, Z.; Wu, Y.; Xi, X.; Zhang, Y.; Wu, X. Analysis on Node Position of Imperfect Resonators for Cylindrical Shell Gyroscopes. Sensors 2016, 16, 1206.

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