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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/1655

Title: Modification of piezoelectric vibratory gyroscope resonator parameters by feedback control
Authors: Loveday, PW
Rogers, CA
Keywords: Micromachined piezoelectric gyroscopes
Vibratory gyroscopics
Cylindrical resonator
Electrical engineering
Issue Date: Sep-1998
Publisher: Institute of Electrical and Electronics Engineers Inc
Citation: Loveday, PW and Rogers, CA. 1998. Modification of piezoelectric vibratory gyroscope resonator parameters by feedback control. IEEE Transactions on Ultrasonic Ferroelectrics and Frequency Control, vol 45(5), pp 1211-1215
Abstract: A method for analyzing the effect of feedback control on the dynamics of piezoelectric resonators used in vibratory gyroscopes has been developed. This method can be used to determine the feasibility of replacing the traditional mechanical balancing operations, used to adjust the resonant frequency, by displacement feedback and for determining the velocity feedback required to produce a particular bandwidth. Experiments were performed on a cylindrical resonator with discrete piezoelectric actuation and sensing elements to demonstrate the principles. Good agreement between analysis and experiment was obtained, and it was shown that this type of resonator could be balanced by displacement feedback. The analysis method presented also is applicable to micromachined piezoelectric gyroscopes
URI: http://hdl.handle.net/10204/1655
http://hdl.handle.net/10204/1655
ISSN: 0885-3010
Appears in Collections:Manufacturing science and technology
General science, engineering & technology

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