2.0.39b loiter+simple+stabilize testing

Hello all

 

I've made some tests with 0 wind, almost perfect 4 all mentioned modes, first tried stabilize and was great, then tried several minutes loiter , it was perfect too!! best than ever!!. then stabilize again, and then loiter a second time. When I used "simple mode" things become strange...exiting "loiter" caused  weird yaw rotation (several complete turns...)...controlled easilly though ... another strange thing was that simple mode in same session flight , was not smoth, controllable but wrong... I landed.

When I disarmed and armed again simple mode was correct... conclusion: need to end sesion flight and disarm (throtle stick to left and the re arm to the right) to get simple mode work fine.

attached my log file. thanks

 

5 (0s) changed to STABILIZE during 03m50s  (No throttle during 01m29s)
2313 (03m51s) changed to LOITER during 04m23s (Throttle cruise  485)
4952 (08m15s) changed to STABILIZE during 43s
5389 (08m58s) changed to LOITER during 02m39s (Throttle cruise  515)
6987 (11m38s) changed to STABILIZE during 01m23s
7826 (13m02s) changed to LOITER during 11s (Throttle cruise  507)
7937 (13m13s) changed to STABILIZE during 30s
8237 (13m43s) changed to SIMPLE during 14s
8379 (13m57s) changed to STABILIZE during 22s
8600 (14m20s) changed to SIMPLE during 35s
8953 (14m55s) changed to STABILIZE during 02m54s
10702 (17m50s) changed to LOITER during 01m16s (Throttle cruise  545)
11469 (19m06s) changed to STABILIZE during 02m44s  (No throttle during 28s)
13111 (21m51s) changed to SIMPLE during 40s
13515 (22m31s) changed to STABILIZE during 01m02s  (No throttle during 26s)
STOP

barisidro.rar

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Replies

  • I had similiar issue with simple mode, at first it was working just ok, but after a while of flying (and testing loiter) it would be somewhat "oversensitive" so that even small stick movements would send to copter bolting on some direction (there also seemed to be some constant offset, like the level would be off by about 10 deg).

    This seemed to happen almost right away as I was using old config data at first, but after that I did a full reset and config, and simple was good for a while, after it started acting up again.

     

    Althold on the other hand seems a bit better compared to 2.0.38, and loiter seemed about as "good" as 2.0.38

     

    Unfortunately my log data does not seem like much help since it seems like it did not really record much of the actual flight (possibly memory filling up etc?).

     

    Config has mag, gps and sonar.  frame is +, board is 2560.

    PID values are tuned for longer arms, more powerfull motors and 12'' props.

  • 3D Robotics
    Are you using a magnetometer (enabled)?
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