TY - JOUR ID - SisLab4133 UR - http://dx.doi.org/10.1080/03772063.2020.1816224 A1 - Nguyen, Dac Hai A1 - Tran, Thi Thuy Ha A1 - Vu, Quoc Tuan A1 - Le, Van Thai A1 - Chu, Duc Trinh A1 - Bui, Thanh Tung A1 - Nguyen, Ngoc An Y1 - 2020/09// N2 - 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. JF - IETE Journal of Research SN - 0377-2063 TI - Study on Design Optimization of a Symmetry Two-Axis Tilt Angle Capacitive Sensor SP - 1 AV - none EP - 8 ER -