Discussions

Drift of the control signal.

Posted by Aleksey Zaitsevsky on July 13, 2011 at 1:55am

Situation:

V2.033 simple mode, small wind from left side. I'm holding stick a little bit left to compensate wind. but hexacopter again is slowly drifting right. after some time I'm pushing stick to left limit, but aircraft can't fly left. So I must turn 180 deg to fly back. 
This slow drift of the neutral position is achievable in any direction while I'm pushing control stick.

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Replies

  • Aleksey Zaitsevsky August 7, 2011 at 6:52am

    Got another receiver, no more control freezings. V2.038 is installed. Same problem exist: In simple mode it it very dangerous to try to compensate wind by transmitter, you slowly must push stick more and more until limit is reached and model can not fly that way any more.

  • Aleksey Zaitsevsky July 14, 2011 at 2:21pm
    May be this problem is linked with another problem in my configuration - control signal freezing. discussion thread http://diydrones.com/forum/topics/ppm-encoder-cause-of-channel ?
  • Aleksey Zaitsevsky July 14, 2011 at 2:05am
    one more moment: when drift of the control signal exist, camera stabilizator is working normally (camera is in horizontal position always).
  • Moderator
    John Church July 13, 2011 at 9:26am
    This has been an issue for a long, long time on my board. I know attempts have been made in code to change this, but it persists on my machine. I actually ran out of "forward" stick while flying this weekend (just lazy forward flight- no aggression). It seems odd that if "level" is stored, why isn't that referred to when I stop input to level the copter, or referenced to ensure that my input isn't slowly cancelled out? (That may be, but I don't see it) I am thankful for the efforts so far, but this needs some brainstorming.  :)
  • Developer
    Jason Short July 13, 2011 at 8:45am

    And be sure to try and reduce vibrations to the APM. 

    Jason

  • Aleksey Zaitsevsky July 13, 2011 at 1:58am
    sorry, not simple, but stable mode
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