Vibration analysis of a rotating elastic beam with piezoelectric films as an angular rate sensor

Author

Fang, H.Y. ; Yang, J.S.

Author_Institution

CTS Wireless Components, Bloomingdale, IL, USA

fYear

2001

fDate

6/23/1905 12:00:00 AM

Firstpage

507

Lastpage

513

Abstract

The flexural vibration of an elastic beam with surface bonded piezoelectric films rotating about its axis is studied. One-dimensional equations governing the motion of the beam are developed, including the effects of Coriolis and centrifugal forces. The equations are employed in the analysis of the flexural vibration of the beam under the excitation of an alternating electric voltage. Forced vibration solution is obtained. It is shown that the beam can be used as a gyroscope for detecting the angular rate of the rotation. Voltage sensitivity and its dependence on various geometric and physical parameters are examined

Keywords

Coriolis force; angular velocity measurement; gyroscopes; piezoelectric devices; piezoelectric thin films; vibrations; Coriolis forces; alternating electric voltage; angular rate sensor; beam motion; centrifugal forces; flexural vibration; forced vibration solution; gyroscope; one-dimensional equations; resonant modes; rotating elastic beam; slow rotation rate; surface bonded piezoelectric films; vibrating piezoelectric body; voltage sensitivity; Accelerometers; Bonding; Equations; Frequency; Gyroscopes; Mechanical sensors; Piezoelectric films; Piezoelectric materials; Vibrations; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Frequency Control Symposium and PDA Exhibition, 2001. Proceedings of the 2001 IEEE International

Conference_Location

Seattle, WA

ISSN

1075-6787

Print_ISBN

0-7803-7028-7

Type

conf

DOI

10.1109/FREQ.2001.956332

Filename

956332