Tilt Sensor Based on Three Electrodes Dielectric Liquid Capacitive Sensor

被引：0

作者：

Dang Dinh Tiep ^{[1
]}

Bui Ngoc My ^{[1
]}

Vu Quoc Tuan ^{[2
]}

Pham Quoc Thinh ^{[2
]}

Tran Minh Cuong ^{[2
]}

Bui Thanh Tung ^{[2
]}

Chu Duc Trinh ^{[2
]}

机构：

[1] Mil Inst Sci & Technol, Inst Elect, Hanoi, Vietnam

[2] Vietnam Natl Univ, Univ Engn & Technol, Hanoi, Vietnam

来源：

2016 IEEE SIXTH INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND ELECTRONICS (ICCE) | 2016年

关键词：

Capacitive sensor; Tilt angle measurement; Comsol multiphysics;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a design, fabrication and characterization of a low-cost capacitive tilt sensor. The proposed sensor consists of a three-electrode capacitor, which contains two-phase of the air and liquid as the dielectric media. The three electrodes hold a plastic tube and the tube is positioned on a printed circuit board (PCB) which consists of a 127 kHz sine wave generator, a pre-amplifier, a rectifier and a low pass filter. The proposed sensor structure can measure tilt angles in the rage of 0 degrees to 75 degrees, where the linear relationship between the angle to be measured and the output signal was observed in the range of 0 degrees to 50 degrees. The sensitivity and resolution of the sensor are measured to be 40mV/degree and 0.5 degree, respectively.

引用

页码：172 / 175

页数：4

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