Finite-Element Analysis and Experimental Study of Frequency-Change-Type Two-Axis Acceleration Sensor
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概要
- 論文の詳細を見る
The operation of the frequency-change-type two-axis acceleration sensor utilizing the phenomenon that the resonance frequency of a bending vibrator changes by the axial force is confirmed experimentally. The sensor is composed of two developed bending vibrators, a mass, support bars, and a frame for fixation. The experimental sample of the sensor is made of stainless steel and the volume is about $90.0 \times 95.8 \times 10.2$ mm3. The first out-of-plane mode of the vibrator is used here and the resonance frequency is about 1,687.8 Hz. The vibrator is driven electrically by small piezoelectric ceramics. The relationship between the applied acceleration and the resonance frequency change was analyzed using the finite-element method, and then measured in the gravitational field. As a result, the analyzed characteristics of the sensor agreed with the experimental ones.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2010-07-25
著者
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Sugawara Sumio
Department Of Electrical Engineering Faculty Of Engineering Yamagata University
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Kajiwara Yu
Department of Information Technology and Electronics, Faculty of Science and Engineering, Ishinomaki Senshu University, Ishinomaki, Miyagi 986-8580, Japan
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