Product category:
Position, speed and torque measurement
News Release from: Inertial Aerosystems UK | Subject: DRM 4000
Edited by the Processingtalk Editorial
Team on 10 December 2007
GPS aided dead reckoning navigation
module
Inertial Aerosystems announce the availability of a new affordable miniature electronic board module for personnel on foot that provides the user position relative to a preselected point
Manufactured by US based Honeywell, the Dead Reckoning Module (DRM) 4000 gives an accurate position derived from dead reckoning data and external GPS NMEA data disciplined by an internal Kalman filter This innovative product can operate accurately with intermittent GPS signals
This article was originally published on Processingtalk on 15 May 2008 at 8.00am (UK)
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When GPS data is available, the dead reckoning sensors are calibrated continuously and the two data sources are blended into a composite real time position data output.
If GPS data is unavailable dead reckoning takes over.
In Dead Reckoning mode, position accuracy of 2% of distance travelled is achievable.
Patented motion classification algorithms analyse walking motion, and compensate when the user is running or in semi static mode.
Automatic compass orientation algorithms provide accurate azimuth information when the user is upright or prone.
Gyros are incorporated to compensate for transient magnetic and accelerations that could interfere with compass operation.
A barometric altimeter provides vertical position accurate to 1.5 meters for discrimination between floors of a building.
This versatile device weighs only 25 grams and measures 50.8 x 50.8 x 12.7mm, ideal for mounting on the user torso, with no additional sensors required.
Power consumption is less than 0.5watt at 2.8 to 5.2Volts DC power.
Sensors include 3 gyros, 3 accelerometers and 3 magnetometers and operate accurately within a temperature range of -40 to +85C.
Applications primarily include personnel tracking such as Fire, Police, Security and Military, real-time waypoint navigation, disaster relief operations, tunnels etc, but the DRM 4000 also has uses in the manufacturing, processing and engineering industries. Request a free brochure from Inertial Aerosystems UK ...
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