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A single plate ultrasonic gyroscope in plane motion
1Department of Electrical and Electronic Engineering, Faculty of Engineering, Okayama University, Japan. kagawa@calc.elec.okayama-u.ac.jp
Ultrasonics
|June 1, 2000
Summary
This study presents an experimental verification of a novel vibration gyroscope utilizing a single piezoelectric plate. The device leverages degenerated modes of a square plate for accurate motion sensing.
Area of Science:
- Mechanical Engineering
- Materials Science
- Sensor Technology
Background:
- Vibration gyroscopes are crucial for inertial navigation and motion sensing.
- Existing designs often face limitations in size, cost, or performance.
- Piezoelectric materials offer unique electromechanical properties for sensor applications.
Purpose of the Study:
- To experimentally validate a proposed vibration gyroscope design.
- To investigate the performance of a gyroscope based on a single piezoelectric plate in plane motion.
- To compare experimental results with finite element modeling predictions.
Main Methods:
- Fabrication and testing of an enlarged piezoelectric ceramic plate gyroscope.
- Utilizing degenerated modes of a square plate for gyroscope operation.
- Performing numerical predictions using two-dimensional and three-dimensional finite element modeling.
Main Results:
- Experimental verification of the piezoelectric plate vibration gyroscope.
- Comparison of experimental data with finite element model predictions.
- Demonstration of gyroscope functionality based on degenerated plate modes.
Conclusions:
- The proposed vibration gyroscope design is experimentally validated.
- Finite element modeling accurately predicts gyroscope performance.
- This piezoelectric gyroscope offers a promising approach for motion sensing applications.