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Results 41 - 50 of 86
6/1/2009 - Information CircularsThis paper examines four different stress analysis programs or tools for analyzing stress around a single longwall panel at 610 m (2,000 ft) depth beneath overburden containing some strong strata.
Analyzing Factors Influencing Struck-By Accidents of a Moving Mining Machine by Using Motion Capture and DHM Simulations4/1/2009 - Peer reviewed journal articlesNIOSH researchers used motion analysis data and digital human models to evaluate factors that precipitate struck-by injuries in the operation of remote continuous mining machines.
11/1/2008 - Book chaptersThis paper features how researchers use DHM to assess and ultimately decrease the occupational risk and threats faced by underground coal mine machine operators.
Analyzing Factors Influencing Struck-by Accidents of a Moving Mining Machine by Using Motion Capture and DHM Simulations6/1/2008 - Conference papersNIOSH researchers used motion analysis data and digital human models to evaluate factors that precipitate struck-by injuries in the operation of remote continuous mining machines.
Artificial Neural Networks to Determine Ventilation Emissions and Optimum Degasification Strategies for Longwall Mines6/1/2008 - Conference papersThis study proposes a principle component analysis (PCA) and artificial neural network (ANN) approach to predict the ventilation methane emission rates of U.S. longwall mines and the optimum combination of degasification boreholes based on the given cha...
Comparison of Passive Seat Suspension with Different Configuration of Seat Pads and Active Seat Suspension4/1/2008 - Conference papersThrough modeling, this paper analyzes the performance of vehicle operators when subjected to vibration from rough road conditions, and quanttifies the energy transmission in the presence of specialized seat padding and active suspension.
Mine Face Ventilation: A Comparison of CFD Results Against Benchmark Experiments for the CFD Code Validation10/1/2007 - Peer reviewed journal articlesTo transfer CFD expertise to analyze and design a face-ventilation system, a comprehensive validation study of current CFD tools against mining-related benchmark experiments is required. This study was dedicated to the methane behavior in an empty (cont...
6/1/2007 - Conference papersThis paper discusses the application of digital human models to examine computer-generated forces necessary to move specific joysticks by using roof bolter virtual operators to predict the forces experienced on the operator's upper extremities.
Computer Simulations Help Determine Safe Vertical Boom Speeds for Roof Bolting in Underground Coal Mines10/1/2005 - Peer reviewed journal articlesNIOSH researchers successfully developed a computer model that generates contact data by means of simulation while exercising the model with several variables associated with the machine and its operator.
5/1/2005 - Information CircularsThis report examines the boom arm vertical speed for roof bolting machines to study a moving boom arm appendage at different speeds during different work scenarios. The goal of this study is to determine the impact of the appendage speed on the likeliho...