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Subsidence monitoring system for industrial machines based on magnetic field method
Author(s)
Date Issued
December 1, 2010
Type
Conference Paper
Abstract
This study presents the design of subsidence monitoring system for industrial machine alignment based on magnetic field method. The system was developed to demonstrate the level of land subsidence in the area of the industrial machine located. A computer was used to collect the data and to display the angles of subsidence over operation period. The measurement module consists of two thin-and-curve permanent magnets (10 mm x 41.5 mm x 1.5 mm) with the outer radius of 24 mm, the curve angle of 120 degree, and the maximum magnetic density of 0.23 Tesla. The gap between these two magnets was 12 mm to generate the magnetic tension force. The sensing module was Hall Generator placed perpendicularly to the magnetic fluxes which can generate the output voltage as a function of subsidence angle and magnetic density on X axis and Z (vertical) axis with the resolution of 100 mV per degree. There were two ranges of measurement according to the angle resolution: -20 to 20 degree at 1 degree of resolution per step and -6 to 6 degree at 0.05 degree of resolution per step. ©ICROS.
Citation
Iccas 2010 International Conference on Control Automation and Systems, 346-349, 2010