Results 91 - 100 of 217

• Passive Fiber Optic System for Locating, Tracking, and Communicating with Personnel in Coal Mines
  9/17/2012 - Contracts and cooperative agreements
  A contract to develop and demonstrate a modified, fiber optic-based perimeter security system to track personnel in an underground coal mine.
• Wireless Mesh Mine Communication System
  9/17/2012 - Contracts and cooperative agreements
  A contract to design, adapt, construct, install, and evaluate a wireless mesh communication network in an underground coal mine.
• Mine Communications and Tracking Glossary
  9/17/2012 - Dictionaries and glossaries
  Mine Communications and Tracking Glossary
• Hearing Loss Prevention in Mining - 2005
  9/7/2012 - Conferences, workshops, and seminars
  Workshop on Hearing Loss Prevention in Mining - 2005
• Mining Communications and Tracking
  9/6/2012 - Conferences, workshops, and seminars, Presentations, Videos and multimedia
  NIOSH sponsored two workshops designed to familiarize attendees with communications and tracking technologies.
• Technology News 544 - New Measurement Tool to Validate Wireless Communications and Tracking Radio Signal Coverage in Mines
  10/1/2011 - Technology News
  This technology is used to map communications and tracking coverage in underground mines. It is important to know coverage of these systems during a mine emergency.
• Technology News 543 - Reverse Implementation of Radio Frequency Identification (RFID) Technology for Personnel Tracking in Underground Mines
  9/1/2011 - Technology News
  Possible benefits of the use of reverse RFID for personnel tracking are: improvements in accuracy, the ability to interface to a variety of mine communications infrastructures, better system survivability, and easier installation and maintenance.
• MultiFit4: An Improved System for Insert-Type
  9/1/2010 - Peer reviewed journal articles
  This paper describes the results of initial testing of the NIOSH Multifit4 system that was designed to be used as a tool by qualified researchers to evaluate hearing protector training and fit interventions at worksites.
• Straight Line Walking and Path-Turn Identifying Algorithms for a Tracking Device Used in Underground Mines
  1/1/2010 - Conference papers
  This paper describes two algorithms that can provide greater accuracy for underground miner tracking systems.
• Algorithms to Identify Its Own and Surrounding Tunnels for an Underground Tracking Device
  1/1/2010 - Conference papers
  This paper introduces algorithms to locate miners with no need for external reference sensors. There are definitions of useful mathematical operations that can be performed on the node coordinates and includes a description of the algorithms.