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Tran-Duc Tan
University of Engineering and Technology, Viet Nam National University, Hanoi
Computer Science & IT Electrical & Electronics Engineering

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Improvement of Tuning Fork Gyroscope Drive-mode Oscillation Matched using a Differential Driving Suspension Frame Thang Nguyen Van; Tran-Duc Tan; Hung Vu Ngoc; Trinh Chu Duc
International Journal of Electrical and Computer Engineering (IJECE) Vol 6, No 6: December 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1567.442 KB) | DOI: 10.11591/ijece.v6i6.pp2716-2729

Abstract

This paper presents a novel design of a vibration tuning fork gyroscope (TFG) based on a differential driving suspension coupling spring between two gyroscopes. The proposed TFG is equivalent to a transistor differential amplifier circuit. The mechanical vibrations of driving frames are, therefore, well matched. The matching level depends on stiffness of spring. When three various TFG structures respond to differential stiffness of spring, their the driving frame mechanical vibration is well matched in case the input excitation driving differential phase is less than 3.5°, 2.5°, and 4°, respectively. The fabricated tuning fork gyroscope linearly operates in the range from -200 to +200 degree/s with the resolution of about 0.45 mV/degree/s.
Co-Authors Hung Vu Ngoc Thang Nguyen Van Trinh Chu Duc