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Orbital Driving and Detection System of Piezoelectric Gyroscopes for Inertia Sensors
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논문 기본 정보

Type
Academic journal
Author
Byengleul Lee (Korea University of Technology and Education) Seung Joon Paik (Georgia Tech) Bonghwan Kim (Daegu Catholic University)
Journal
The Institute of Electronics and Information Engineers JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Vol.19 No.5 KCI Accredited Journals SCIE
Published
2019.10
Pages
446 - 453 (8page)
DOI
10.5573/JSTS.2019.19.5.446

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Orbital Driving and Detection System of Piezoelectric Gyroscopes for Inertia Sensors
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Abstract· Keywords

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We developed an orbital driving method without time-sharing for piezoelectric gyroscopes operating at atmospheric pressure with a square wave signal having a phase difference of π / 2 by utilizing the resonance characteristics of the gyroscopes, and experimentally verified our method. The operation bandwidth of piezoelectric gyroscopes is limited by the time-sharing between the horizontal and vertical resonance modes. The Lissajous waveform changes from elliptical to circular after controlling the phase. The simulation results show that the natural frequency of the gyroscope is in the order of tens of ㎑. The angular response rate is 1 deg/s in the xand y-directions, and the measurement sensitivity is 17.2 ㎶/(deg/s). All the designed systems are verified through simulations and experiments.

Contents

Abstract
Ⅰ. INTRODUCTION
Ⅱ. STRUCTURE SCHEMATIC AND SIMULATION
Ⅲ. RESULTS AND DISCUSSION
Ⅳ. CONCLUSIONS
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UCI(KEPA) : I410-ECN-0101-2020-569-000093714