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Results 1 - 10 of 18
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2/6/2020 - Contracts and cooperative agreementsA contract to develop and evaluate autonomous navigation solutions for drones operating in GPS-denied mining environments.
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8/29/2019 - Contracts and cooperative agreementsA contract to create a fully autonomous unmanned aerial vehicle solution for underground mines.
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12/1/2017 - Peer reviewed journal articlesAn article presenting the results of a feasibility study on Industrial Internet of Things (IIoT) applications in underground coal mines based on existing communication and tracking infrastructure.
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7/16/2016 - Contracts and cooperative agreementsA contract to assess the suitability of current power line communication methods (used in nonmining applications) for underground coal mine communication, using mine electrical power distribution conductors as a system backbone.
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4/1/2007 - Information CircularsThe major focus of this report is on smart sensors and wireless sensor networks. The "Future Research" section pulls together the three critical technologies by proposing applications that are relevant to mining.
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10/1/2002 - Conference papersReport on the development and field testing of a solar powered, remote gob gas venthole monitoring and cellular telephone-based real-time data transmission system.
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10/1/1984 - Contract reportsThe purpose of this program is to extend electromagnetic (EM) techniques for use in locating miners trapped in mines as deep as 1000 m.
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1/1/1984 - Information CircularsSince 1969, the Bureau of Mines has sponsored numerous programs aimed at improving methods of underground communication. This manual brings together relevant data from all previous reports, studies, and other sources, and presents these data in such a w...
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2/1/1982 - Contract reportsAn evaluation was made of one of several improved underground communication systems sponsored by the U.S. Bureau of Mines. The system was installed in a typical metal-nonmetal, room-and-pillar mine and utilized ultrahigh frequency repeaters connected to...
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1/1/1980 - Unpublished documents and reportsThis paper presents a general overview of the Bureau of Mines programs in the areas of operational and post-disaster communications. Topics discussed include a new visual paging system compatible with existing pager phone lines, a means of modifying com...
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Content source: National Institute for Occupational Safety and Health, Mining Program