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Re: Location Detection: msg#00097

linux.distributions.gumstix.general

Subject: Re: Location Detection

Brown, David J (UMR-Student) wrote:
There are a lot of ways that you can fine tune the thresh holds that each of your positions sensors would have. A robot that I am currently working on uses an accelerometer/digital compass, gps and digital encoders for its positioning.

Are you controlling all of this with a gumstix/robostix or do you have
some other sort of microcontroller?

However not all these are extremely accurate, but using a filter
(kalman filter for example) you can get much more precise
coordinates. the robot uses stereo vision and sonar for object

What kind of software do you use to interpret the stereo vision input into 3D space?

detection (along with infrared for close up) and is also put through
kalman filters to increase the accuracy of the sensors. another
method that you can use is the same technology in a mouse. kinda

I read your post here just after I sent my last one, my thoughts exactly.

built a mouse sensor into the bottom of your robot chassis, when you
move, the mouse picks up the your x/y coordinates. this would seem
to be pretty acurate if you were moving on a smooth surface, but
wouldnt work at all outdoors. hope this helps Dave

Lots of good ideas, thanks.
--
Jeremy Grosser
www.runemonkey.com


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