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

Nguyen, Dac Hai and Tran, Thi Thuy Ha and Vu, Quoc Tuan and Le, Van Thai and Chu, Duc Trinh and Bui, Thanh Tung and Nguyen, Ngoc An (2020) Study on Design Optimization of a Symmetry Two-Axis Tilt Angle Capacitive Sensor. IETE Journal of Research . pp. 1-8. ISSN 0377-2063

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This paper presents the design, optimization, fabrication and characterization of a symmetrical twoaxis 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 the x- and y-axes with sensitivity of 124 mV/° and resolution of ±0.15° in the range from −35° to 35°. The characteristics of the sensor on the x- and y-axes are similar. The proposed sensor can be used in several applications.

Item Type: Article
Subjects: Electronics and Communications > Electronics and Computer Engineering
ISI-indexed journals
Divisions: Center for Electronics and Telecommunications Research (CETR)
Faculty of Electronics and Telecommunications (FET)
Depositing User: Bùi Thanh Tùng
Date Deposited: 08 Dec 2020 09:28
Last Modified: 08 Dec 2020 09:28

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