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http://dx.doi.org/10.6109/jkiice.2019.23.11.1364

Development of MEMS Sensor-based High Resolution Tilt Monitoring System  

Son, Young-Dal (Department of Radio and Information Communications Engineering, Chungnam University)
Eun, Chang-Soo (Department of Radio and Information Communications Engineering, Chungnam University)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.23, no.11, 2019 , pp. 1364-1370 More about this Journal
Abstract
Tilt sensors are mainly used to measure the collapse of structures such as buildings, bridges and tunnels. Recently, due to the ease of use and low price, many tilt sensors using MEMS sensors have been used, but the measurement angle range is limited, and thus, they do not have high precision for 360 degree. This is due to the inherent offset and scale errors of MEMS sensors. In this paper, we proposed an algorithm for the calculation of precision angles to reduce the mechanical error of MEMS sensors, and produced a MEMS sensor module and a transmission module to compare the angle accuracy of sensor modules before calibration and the angle measurement accuracy after calibration. Experimental results show that the proposed technique has a precision of ± 0.015 degrees for all 360-degree.
Keywords
MEMS Sensor; Inclinometer; Angle Gauge; Remote Monitoring;
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