Hello everybody,

I'm trying to fly my exa in autotune flight mode, unfortunately during my indoor test I can't invoke it.

As you can see in the attached imagery once I switch on flight mode 3 pixhawk refuses to accept this mode and keeps the previous one. 

As you can see the PWM signal is between the treshold, but somehow it will be rejected by pixhawk.

If I use a different flight mode 3 (anyone) it will be accepted, see image below.

As last thing I have thought that perhaps I couldn't set it as a flight mode so  i tried to use channel 7, which I normally use for RTL mode, but eventually even in this case Autotune flight mode will be rejected. 

is there anyone who can help?

Regards.

Marco

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Replies to This Discussion

have u fix it? 
if not yet, i just wondering, on mission planner, does your mode change to autotune once u flick the switch? i mean, u can see it on mp at the main gui, (flight data) once u flick the switch, the mode will be appear there.. so now the idea is, without u try to fly it, try flick the autotune switch, and see at the mp, does it change? if it change, then, u are good to try. gudluck..

Hello,

Have you fixed this issue? I have the same problem and I cannot find any answers.

Cheers!

Hi Carlos,

at last I succeed on make it working, basically I was trying to invoke AT indoor and this gets rejected by pixhawk, you need to go outdoor and try, in this case you won't have problem.

regards


Carlos Calvetti said:

Hello,

Have you fixed this issue? I have the same problem and I cannot find any answers.

Cheers!

Hi,
I can confirm that it won't work "dry" on the workbench; it needs to be invoked inflight. I have a different issue though: my Hexa starts flying backwards at medium pace while maintaining altitude. I let it go til end of sight (700 Meters) and had to bring it back manually. Is that the behaviour to be expected during AutoTune ?

If you invoke during Loiter, the aircraft will stay roughly in place.  If you invoke during PosHold, the aircraft will twitch roll in place for a bit, then it will yaw left 90 degrees and it may move forward a few meters.  It will twitch roll,  then yaw 90 degrees and move forward...

In your case there is something wrong.  The aircraft should have started to twitch in roll, not take off backwards...

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