Discussions

Loiter test and crash with 2.0.32

Posted by Pinar Cokum on July 5, 2011 at 1:05am
Yesterday I tried the code 2.0.32 for the first time in the field. The first flight stable mode worked very well.The second flight, I tried to Loiter mode. The first experiment is very good.But the third and fourth flights, when I switch loiter from stable mode, quad was suddenly lost engine power. I tested the same situation also happened obtained. The other issue I could not control the level of throttle when I switch to stable mode from loiter. It locked the throttle in stable mode.What are your ideas about this?Flight video.https://www.youtube.com/watch?v=sHzYae1W7XM

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Tags: 2032, loiter
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Replies

  • marcelo July 6, 2011 at 12:23pm
    Jose Angel, would you share the script to us, I understand that it writes out a line at every change in flightmode, right?
  • Developer
    Jason Short July 5, 2011 at 8:52am

    This is quite odd. Yes, your logs would help. I'll look into it as so as you can send them.

    Jason

  • Jose Angel July 5, 2011 at 1:40am

    If you can post a log of the flight maybe one of the devs can have a look at (http://code.google.com/p/arducopter/wiki/AC2_Logs).

     

    Or you can try 2.0.33. This is the changelog:

    Slighted tuned down D term in Loiter PIDs after testing, tuned up P slightly fixed alt hold bug cause when gaining 3D lock in alt hold.  Mavlink now reports correct throttle scaling value in mavlink

     

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