Abstract
The article deals with developing a hardware and software complex for identifying rock displacement in open pits. The complex allows for continuous measurement of several parameters and timely notification of personnel of mining enterprises engaged in underground and surface development. The software included in the complex is easy to use and allows changing the information interface. The complex collects, processes and analyzes data from fiber-optic sensors that monitor the geotechnical state of the edge massif. It is connected to fiber-optic sensors via optical conductors, which eliminates the use of the expensive copper cable. Fiber-optic sensors are intrinsically safe and explosion-proof, and are highly resistant to electromagnetic interference. The complex with fiber-optic sensors allows monitoring the geotechnical state of mine workings in open pits. The principle of operation of the complex is based on comparison of apertures and intensity of light spots using a high-resolution photodetector. It has been found that diffraction spots and their pixel pattern do not change in the absence of rock displacement of the edge massif. When a displacement occurs, the light wave that passes through the fiber-optic sensor changes its properties, which leads to changing the parameters of the light spot. After processing the data, the complex produces a numerical value of the displacement.
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