Study on Design Optimization of a Symmetry Two-Axis Tilt Angle Capacitive Sensor

被引：5

作者：

Dac, Hai Nguyen ^{[1
]}

Thuy, Ha Tran Thi ^{[2
]}

Quoc, Tuan Vu ^{[3
]}

Van, Thai Le ^{[1
]}

Duc, Trinh Chu ^{[4
]}

Bui, Tung Thanh ^{[4
]}

Ngoc, An Nguyen ^{[4
]}

机构：

[1] Hanoi Univ Ind, Fac Elect Engn Technol, 298 Cau Dien, Hanoi, Vietnam

[2] Posts & Telecommun Inst Technol, Fac Elect Engn, Hanoi, Vietnam

[3] Vietnam Acad Sci & Technol, Hanoi, Vietnam

[4] VNU Univ Engn & Technol, Hanoi, Vietnam

来源：

IETE JOURNAL OF RESEARCH | 2023年 / 69卷 / 01期

关键词：

Capacitive sensor; Fluidic sensor; Tilt angle measurement;

D O I：

10.1080/03772063.2020.1816224

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 the design, optimization, fabrication and characterization of a symmetrical two-axis tilt angle sensor. The sensor consists of a globe-calotte-shaped excitation electrode and two pairs of sensing electrodes of the same dimensions, positioned symmetrically on a 3D printed hollow sphere. The sphere is filled with oil and air, and then mounted on the surface of a printed circuit board (PCB) for mechanical packaging and measurement. Experimental results show that the sensor can measure the tilt angle in both thex- andy-axes with sensitivity of 124 mV/degrees and resolution of +/- 0.15 degrees in the range from -35 degrees to 35 degrees. The characteristics of the sensor on thex- andy-axes are similar. The proposed sensor can be used in several applications.

引用

页码：264 / 271

页数：8

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