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kk2 controller PI settings

Started by yogeshkannan, September 16, 2012, 10:07:46 PM

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yogeshkannan

hello guys
                i have constructed my quad using a kk2 controller board . . when i give it a little throttle the quad begins to vibrate rapidly .. can anyone help me with this issue ?? its urgent

Dharmik


yogeshkannan

nope ! it wobbles even before it takes off.. i try to get the video

yogeshkannan

is theere anything like the standard PI values for quads

satyagupta

The default ones that come along with quad is standard PI values, if it wobbles rapidly then decrease the Roll/Pitch gain.
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raja_mastana

Make sure the board is physically oriented according to the mode set in the software.

if +, then board points to one prop
if x, then board points between two props
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yogeshkannan

can u roughly say how much do i have to lower the values ??

satyagupta

So here is the thing, keep increasing the p value the moment you get a high frequency wobbling. And once you get wobbles start decreasing the gain until the wobble is gone..
one stop for multirotor needs:
www.quadkopters.com

http://www.facebook.com/QuadKopters
https://www.youtube.com/user/QuadKopters
https://www.instagram.com/quadkopters

yogeshkannan

so you want me to decrease the P and I values ??

satyagupta

check this video and watch full video...

one stop for multirotor needs:
www.quadkopters.com

http://www.facebook.com/QuadKopters
https://www.youtube.com/user/QuadKopters
https://www.instagram.com/quadkopters

yogeshkannan

here i overcome another problem ...i have set the P & I gain values
p-gain = 40
I-gain=30
the rest are unchanged ..
the vibrations have reduced , but when i give it a 40 % throttle ...before the quad lifts itself , it drifts away towards its left .
what should in this case