Abstract
This paper presents the development and characterization a low cost, robust and reliable ground displacement-based flat coil sensor for application of landslide detection. Flat coil element has been made from a thin epoxy and silver mixed with a number of coils 30, diameter of 3 cm and inductance 9.2 μH. The measurement static characteristic of sensor showed that the sensor output voltage increases with increasing distance between the seismic mass to the sensor and vice versa. Flat coil-based sensors have a working area between 0.6 to 10 mm with the absolute and the relative error of 0.035 mm, 0.81 %, respectively. The dynamic characteristic of sensor system is able to detect the ground shifting in the direction of the horizontal and vertical in the range (0-15) mm and (0-20) mm, respectively.
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