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From: | Joseph Muhlhausen |
Subject: | Re: [Paparazzi-devel] AUTO2 Standby throttle management |
Date: | Thu, 25 Jul 2013 19:38:39 +0200 |
Thu, 25 Jul 2013 13:19:35 Reto B?ttner
Hi Joseph
That might be a problem in altitude control, probably just a tuning issue.
Altitude is controlled both by pitch and throttle. In your case pitch
control seems not be sensitive enough and throttle control too aggressive.
Try enhancing the pitch gains and reducing the throttle gains. Maybe
vertical control is generally to weak and you fly permanently in the
aggressive flightmodes, try enhancing altitude_pgain. Additionally you
might give more margin (blend_start and blend_end) in the aggressive
section, especially until the vertical controller is well tuned. For more
detailed analysis a log would be needed.
Regards and good luck
Reto
2013/7/25 Joseph Muhlhausen <address@hidden>
> Hi all,
>
> I did an AUTO2 Standby test yesterday and the plane accelerates to full
> throttle for half the circle and repeats the pattern indefinitly
>
> here is the video
> https://www.dropbox.com/s/g3sl68myu15lh7g/VID_20130626_163444.mp4
>
> I'm using 4.2 with the ctl_basic.xml control. I couldn't get a log of the
> flight as my ground wasn't properly connected to the antenna.
>
> Any idea where that might come from? I'm not using an airspeed sensor but
> I have one at my disposal if needed, I just want to keep things simple.
>
> Best,
>
> Joseph
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