Discussions

Navigation

Posted by Erik Hatch on April 7, 2011 at 6:57am

I had 2 very successful flights yesterday. Altitude hold was great, and my aircraft hit all waypoints. However, when going from point to point, the plane did not go in a straight line. it made "S" turns. Does someone know the best way to correct this? APM 2.0 with Mediatek gps v1.6. I have made no changes to navigation PID values. I have made some small changes to roll, pitch, and yaw to PID servo values.

Thanks

Erik

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Replies

Don Brooks April 27, 2011 at 8:57pm

http://code.google.com/p/ardupilot-mega/wiki/AdvancedConfig
Don Brooks April 27, 2011 at 8:32pm

Read this. In particular point number 6 http://code.google.com/p/ardupilot-mega/wiki/Tuning
Developer

Doug Weibel April 27, 2011 at 7:41pm

You need to tune the nav gains, not the servo gains, to fix snaking between waypoints.
parvupv April 27, 2011 at 4:21pm

try a greater value for xtrack gain

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