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Results 21 - 30 of 30
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10/1/2004 - Conference papersDescribes a method for assessing equipment jolting using a combination of "black boxes" called Shox Boxes and an onboard GPS system. The resulting configuration provides an objective assessment of jolting and a chance to determine its root causes.
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5/1/2004 - Conference papersDiscusses implementation of a real-time neural network which can discriminate mine fires from nuisance diesel emissions as part of an atmospheric mine monitoring system in NIOSH's Safety Research Coal Mine.
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10/1/2002 - Conference papersResults of experiments to train a neural network to detect coal and styrene-butadiene-rubber conveyor belting fires. Six of the seven experiments were conducted in the presence of diesel exhaust.
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4/1/1999 - Peer reviewed journal articlesAn evaluation of strategies for monitoring methane levels during roof bolting in an extended cut entry.
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1/1/1993 - Reports of InvestigationsComponent failure in the electrical control circuits of mining machines account for a large percentage of the total downtime of the machine. This report details U.S. Bureau of Mines development of a generic procedure for synthesizing diagnostic systems...
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1/1/1992 - Information CircularsA U.S. Bureau of Mines investigation of the early detection of insulation failure in squirrel cage induction motors using a sophisticated empirical data-modeling technique based on values calculated from a motor's voltage and current phasors.
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9/1/1986 - Contract reportsThis report describes the creation of an efficient method to determine if command, control, communication, and monitoring (3cm) equipment in coal, metal, and nonmetal mines is susceptible to radio frequency interference (RFI) from the medium-frequency (...
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11/1/1981 - Contract reports, Open File ReportsAdvanced communication and monitoring systems were developed and demonstrated in three underground mines representing different mining techniques, geographical areas, and material mined.
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12/1/1980 - Contract reports, Open File ReportsThe objective of this program was to design and build a self-contained system for remote monitoring of the atmosphere in mines. The system developed uses the mine pager phone line as the primary communication channel and also has the capability of using...
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1/1/1975 - Reports of InvestigationsTo reduce the weight and bulk of equipment that mining personnel must carry underground, the Bureau of Mines and the Mining Enforcement and Safety Administration (MESA) investigated accurate and convenient gas samplers for use by mine inspectors in samp...
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Content source: National Institute for Occupational Safety and Health, Mining Program