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CarbonXtreme . Midland Helicopters . HeliProz

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UAV Autonomous Unmanned Aerial Vehicles > Microdrone stable platform ??
 
 
GyroFreak
Elite Veteran
Location: Florida ... 28° 52' N 81° 16' W

My Posts This: Topic  Forum		I see this guy in the video pushing by hand this small electric drone and it always bounces back to near it original position. Up, down, sideways, backwards, how does it know where it's spatial position was to return to ??? . Gyros would do for head holding lock, but not vertical and horizontal position.

http://www.youtube.com/watch?v=Y4jtguSF0n4

Bacteria They're the only culture some men have
Growing old is mandatory; growing up is opti
11-02-2007 Over year old.
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gian
Veteran
Location: AZ

My Posts This: Topic  Forum		In the video, it says that it has GPS position hold. That is how it returns to where it was.
11-02-2007 Over year old.
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ErichF
Elite Veteran
Location: Odessa, FL 33556 (Tampa Area)

My Posts This: Topic  Forum		GPS can be pretty accurate when using the right equipment, and sonic altimeters can sense within a fraction of an inch. IMUs (Inertial Measurement Units) are also used sense and correct for position excursions.

Erich
11-02-2007 Over year old.
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GyroFreak
Elite Veteran
Location: Florida ... 28° 52' N 81° 16' W

My Posts This: Topic  Forum		I do know that differential GPS can be accurate to millimeters. That would certainly work. As for the height, I realized I can buy an sonic/optical tape measure which may work for that low altitude shown in the video.
Still, I was impressed since I can't hold my chopper that steady. But if I didn't have the challenge it would not be fun.

Thanks guys..
Paul

Bacteria They're the only culture some men have
Growing old is mandatory; growing up is opti
11-03-2007 Over year old.
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Ron’s HeliProz South . MTA Hobbies . Model Rectifier Corp

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UAV Autonomous Unmanned Aerial Vehicles > Microdrone stable platform ??
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