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PID Settings for various airframe configurations?

Posted by Paul Boreham on November 23, 2011 at 3:46pm

Hi,

 

I have been going through the wiki to see if there are some PID settings available for common configurations. The links for AC2 are circular however and just refer back to each other?

 

The link I'm using is:

http://code.google.com/p/arducopter/wiki/AC2_Configfiles

 

I have a JDrones hexa with the 880kV motors,12x45 props and a single 4S battery. Using 2.0.50. The MultiCopter seems quite twitchy and is drifting a lot. The altitude control (in stabilise) is also all over the place. Setting a hover height and maintaining throttle position doesn't result in a (relatively) stable height. Last nights flight (to refine PIDs) resulted in more broken bits.

 

Would I be correct in assuming that my setup needs PID settings generally adjusted downwards to make it less twitchy/sensitive? In comparison to the "default" settings, would my rig be considered overpowered?

 

Any advice/links appreciated.

 

Regards,

Paul

 

 

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Replies

  • nicolas grunbaum November 23, 2011 at 9:58pm
    Hi, i also havé a similar configuration. I have mod my setting for no twitching. Now it flies quite stable.

    I have stab p as 3 and stab I as 0.1 . Rate p 0.092 and rate I 0.072. I also changed the yaw p to p.25 and modifed the dead zones.

    I can send my params file tonight if interested for comparison.

    Bye bye
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