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Autopilot: Do it yourself UAV

 
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Alan
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Joined: 29 Jan 2006
Posts: 1399
Location: Winnipeg, MB

PostPosted: Fri Apr 21, 2006 10:45 am    Post subject: Autopilot: Do it yourself UAV Reply with quote

"It is possible to do a stability augmentation system with just the two gyros and two accelerometers (as we have done), but for control of all axes (attitude, altitude and position), more sensors are required. The error in a pure inertial position estimate is huge over time, but fairly good for short term (less than one second) solutions. The GPS position is reasonable and DGPS is fairly good, but the update frequency is very slow (1 Hz) and high-latency (> 1 second). Using both of these together allows for a better solution than either alone."

video:
http://autopilot.sourceforge.net/movies/hover1.mov

more info:
http://autopilot.sourceforge.net/

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