Discussions

Gyro drift correction without GPS

Posted by Piet van Dalen on December 7, 2010 at 6:35pm

Hi,

Does someone know if it is possible to correct for the yaw gyro drift without the GPS? So is it possible to use the accelerometers for yaw drift as well?

My airship will only fly indoors so I can not use GPS.

Thanks

Piet

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Replies

Developer

Randy December 7, 2010 at 8:13pm

as Ryan says, certainly a mag is the answer. No way you can do it with an accelerometer.

If you buy the diydrones or sparkfun honeywell mag, there's a wiki page showing how to connect it up to an APM:
https://code.google.com/p/arducopter/wiki/Quad_Magnetos
.. and code in the arduCopter and arduPilot code responsitories to help you use it:
https://code.google.com/p/arducopter/source/browse/#svn/trunk/libra...
Developer

Ryan Beall December 7, 2010 at 7:12pm

http://diydrones.com/profiles/blogs/invensense-releases-imu

watch the video they do a fairly good job of describing what's going on
Developer

Ryan Beall December 7, 2010 at 7:11pm

magnetometer, alot of examples on here in source and conversation

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