Paper Info
Title
Analysis of the Damping Characteristics of Cylindrical Resonators Influenced by Piezoelectric Electrodes.
Abstract
The cylindrical resonator gyroscope (CRG) is a typical Coriolis vibratory gyroscope whose performance is mostly influenced by the damping characteristic of the cylindrical resonator. However, the tremendous damping influences caused by pasting piezoelectric electrodes on the gyroscope, which degrades the performance to a large extent, have rarely been studied. In this paper, the dynamical model is established to analyze various forms of energy consumption. In addition, a FE COMSOL model is also created to discuss the damping influences of several significant parameters of the adhesive layer and piezoelectric electrodes, respectively, and then explicit influence laws are obtained. Simulation results demonstrate that the adhesive layer has some impact on the damping characteristic, but it not significant. The Q factor decreases about 30.31% in total as a result of pasting piezoelectric electrodes. What is more, it is discovered that piezoelectric electrodes with short length, locations away from the outside edges, proper width and well-chosen thickness are able to reduce the damping influences to a large extent. Afterwards, experiments of testing the Q factor are set up to validate the simulation values.
Year
DOI
Venue
2017
10.3390/s17051017
SENSORS
Keywords
Field
DocType
damping characteristic,FE model,piezoelectric electrodes,adhesive layer
Magnetic damping,Q factor,Gyroscope,Resonator,Cylinder,Electronic engineering,Engineering,Piezoelectric coefficient,Electrode,Piezoelectricity
Journal
Volume
Issue
ISSN
17
5.0
1424-8220
Citations 
PageRank 
References 
1
0.37
3
Authors
5
Name
Order
Citations
PageRank
Jiangkun Sun110.71
Yulie Wu2134.70
Xiang Xi3123.92
Yongmeng Zhang441.84
Xuezhong Wu52712.46