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GPS system with IMUs tracks first responders

6/15/2011 05:45 AM EDT
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R_Colin_Johnson
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re: GPS system with IMUs tracks first responders
R_Colin_Johnson   6/15/2011 7:17:53 PM
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IMUs have been available for years, as part of the inertial guidance systems of everything from ships to spacecraft to missiles. However, by incorporating cheap MEMS sensors, instead of expensive ring-laser gyros, TRX and other OEMs are bringing down the price of location tracking for a variety of applications, from finding people to protecting important assets.

swohler
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re: GPS system with IMUs tracks first responders
swohler   6/16/2011 12:31:21 AM
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The ADIS16407 is hardly inexpensive, especially when compared to some of the more commercial IMUs, which are only slightly less accurate.

R_Colin_Johnson
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re: GPS system with IMUs tracks first responders
R_Colin_Johnson   6/16/2011 1:01:26 AM
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According to TRX, commercial grade IMUs won't cut it when lives are at stake. Also, the uniforms that firemen, hazmat and soliders will have this IMU sewn into are in the same ballpark of cost.

daleste
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re: GPS system with IMUs tracks first responders
daleste   6/16/2011 3:37:25 AM
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This is a great use of technology. I don't see a problem with cost when you can help to protect our brave men on the front lines.

DrQuine
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re: GPS system with IMUs tracks first responders
DrQuine   6/16/2011 11:40:52 AM
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What is the incremental cost of this new IMU technology on top of a supporting GPS? It would be interesting to see where else it could be used. As a 23 mm cube = 1 square inch, it sounds like it is still too large (or was there an error in the dimensions in the article) to incorporate into a mobile phone. How much might the pricing come down with high volume production? If affordable (and small enough), it would be a natural replacement for any GPS system to improve accuracy when out of range of the satellites.

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