Re: [Paparazzi-devel] Lisa/M terminated standby circling

[Gautier Hattenberger]

After looking at the nav code, your problem really seems to be the 
missing VELNED message in your GPS module conf.

G.


Le 29/05/2015 16:11, Balázs GÁTI a écrit :
> Hi,
>
> Paparazzi version: v5.4.0_stable
>
> The two log files can be downloaded:
>
> ftp.edufly.net Port 21
> user: address@hidden
> p: NW7100log
>
> Time of interest
> 13_03_52: t= 315s
> 13_47_23: t= 320s
>
>
> Balazs
>
>
>
> 2015-05-29 15:43 időpontban Gautier Hattenberger ezt írta:
> > Can you post the log files somewhere ? And give exact paparzzi
> > version (./paparazzi_version)
> >
> > Gautier
> >
> > Le 29/05/2015 15:22, Balázs GÁTI a écrit :
> > > Hi,
> > >
> > > I just experienced an interesting behavior of a Lisa/M v2 
> > > (Transition Robotics) with Paparazzi v5.4.0.
> > >
> > > I had finished tuning my fixed wing in AUTO1 and switched to AUTO2. 
> > > The plane started to intercept altitude and to align himself to the 
> > > Standby circle. After a half (more or less) stabilized circle she 
> > > terminated the circle and started to roll to the opposite direction. 
> > > I switched back to AUTO1 and landed. Post flight analysis of log 
> > > showed no anomaly. No warning, no lost RC or GPS, no GPWS warning, 
> > > no change in PPRZMode, motor running.
> > >
> > > I increased the height of waypoints and started a new flight. The 
> > > result was the same. After a half circle in Standby mode, she 
> > > started an opposite spiral. I left her to do it and experienced a 
> > > path similar to one and a half spiral in strong in wind by constant 
> > > roll. Post flight analysis showed a rapid change in Desired.Roll, 
> > > even the carrot and the green circle of the Standby mode still 
> > > behaved as I expected.
> > >
> > > The rapid change in Desired.Roll happened more or less in the same 
> > > time as Attitude.Psi changed sign. This is only expectation, because 
> > > this sign error would ruin all Paparazzi flight in the world. Even 
> > > my simulations didn't predict this behavior. Unfortunately the 
> > > telemetry messages are not too dense to confirm this expectation. Do 
> > > you have any advice what should I do to identify the reasons? (NEO7P 
> > > works already fine.)
> > >
> > >
> > > Regards,
> > >  Balazs
> > >
> > > _______________________________________________
> > > Paparazzi-devel mailing list
> > > address@hidden
> > > https://lists.nongnu.org/mailman/listinfo/paparazzi-devel
> >
> >
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>
> ---
> Balazs GATI, PhD
> associate professor
> Department of Aeronautics, Naval Architecture and Railway
> Vehicles
> Budapest University of Technology and Economics
>
> Address:   Budapest
> Stoczek u 6. J. ép. 423
> 1111
> Tel:       +(36)-1-463-1960 [1]
> Fax:       +(36)-1-463-3080 [2]
> Homepage: http://vrht.bme.hu/ [3]
>
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