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- W3210856636 abstract "This article discusses the issue of ensuring safety in coal mines using the fiber op-tic technology. The authors describe the developed fiber-optic sensors capable of monitoring and warning about mine working roof displacements. A detailed analysis of the use of such devices in the world has been presented, the ad-vantages and disadvantages of the existing control systems have been revealed. The design of a fiber-optic sensor is similar to a typical reference station, the de-sign of which is quite simple and proven, but the fundamental difference is the use of a single-mode fiber as a sensor. The authors have developed a laboratory bench that allows working out the design of a fiber-optic sensor and studying its parameters.Based on the research results, a graph of the dependence of optical losses on the displacement value has been obtained, an automated data approximation has been performed, and single-factor mathematical models have been obtained. The sensor has shown fairly good linearity. Relatively high accuracy and linearity of characteristics are achieved through the use of specific software that allows com-bating the interference and exclude random values from the measurement results. The program uses the capabilities of artificial intelligence with elements of ma-chine learning. The developed fiber-optic sensor and information-measuring sys-tem have proven their efficiency and will be further implemented in one of the mines of the Karaganda coal basin." @default.
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- W3210856636 date "2021-10-15" @default.
- W3210856636 modified "2023-09-23" @default.
- W3210856636 title "THE WORKING ROOF ROCK MASSIF DISPLACEMENT CONTROL SYSTEM: THE WORKING ROOF ROCK MASSIF DISPLACEMENT CONTROL SYSTEM" @default.
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