Results 111 - 120 of 249

• Through-the-Earth Communication Systems for Underground Coal Mines: Product Final Development and Standardized Interface Definition
  10/6/2014 - Contracts and cooperative agreements
  A contract to extend the operational range of a through-the-earth communications system while maintaining the portability and permissibility of the subsurface unit.
• Supplementary Technologies for Advanced Mine Communication Networks
  9/25/2014 - Contracts and cooperative agreements
  A contract to develop a Universal Signal Evaluation Package for 75- and 150-MHz bands, adapt a passive magnetic amplifier for 900-MHz, and investigate energy harvesting technologies.
• Wireless Through-The-Earth Modeling and Support
  8/15/2014 - Contracts and cooperative agreements
  A contract to determine the factors that most affect signal transmission and reception for through-the-earth communication systems.
• Rapid Response Rescue Drilling System Development for Mine Rescue Application
  8/15/2014 - Contracts and cooperative agreements
  A contract to identify equipment needs, available contractors, and the development and demonstration process for a rapid response drilling system for mine rescue operations.
• Refuge Chamber Deployment and Occupancy Status During Mine Emergency Situations
  8/14/2014 - Contracts and cooperative agreements
  A contract to incorporate a wireless base station into the MagneLink Magnetic Communication System (MCS) and to develop a mechanism that automatically activates a portable wireless text messaging device when a refuge chamber is opened or deployed.
• Snake Robot for Mine Rescue
  7/18/2014 - Contracts and cooperative agreements
  A contract to leverage the on-going development of the new generation Tandem Track (TT) snake robot, by modifying this new system in a way that makes it suitable for operations in underground mines.
• Application of Fatigue Management Systems: Small Mines and Low Technology Solutions
  4/1/2014 - Peer reviewed journal articles
  An article that presents a case study of a small surface mining organization to highlight the fatigue risk management system implemented at the studied mine site.
• Post-Accident AMS System
  1/6/2014 - Contracts and cooperative agreements
  A contract to develop a robust, intrinsically safe system that will incorporate atmospheric monitoring, two-way communications and miner tracking, all in a single network.
• Visual feedback system to reduce errors while operating roof bolting machines
  2/1/2013 - Peer reviewed journal articles
  An experiment was conducted to explore coding and directional compatibility on roof bolting equipment and to determine the feasibility of a visual feedback system to alert operators of critical movements and workers in close proximity to the equipment.
• Technology News 551 - Through-the-Earth, Post-Accident Communications - an Emerging Technology
  12/1/2012 - Technology News
  A technology to provide a two-way communications system to improve miners' ability to communicate from underground to surface.