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Please tell us a bit about your UAV interest

photogrammetry, reality capturing


Hometown:

Munich


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Syrphus_AWO posted a discussion
Dear Community,on a Quadrocopter i use a 3DR-Pixhawk on ArduCopter Firmware Version V3.4.2.The FC was formerly used in another setup and had a crash last year. It seems to work fine, though.There's just one issue i do not have enough experience with…
Jan 8, 2017
Syrphus_AWO posted a discussion
Dear community,i'm trying to set up a panorama function for a multicopter. I'd like to use Missionplanner and 30deg steps clockwise using the jump command.Here is a two-circle example, but it's not working correctly. I think i got something wrong…
Oct 15, 2016
Syrphus_AWO replied to Syrphus_AWO's discussion LOG file view needed // X-8 Survey mission // disturbance due to limited motors?
"Hey Cala,thanks again for your support.Unfortunately there is nothing left for flight tests right now. The crash was to big and a lot of repairs have to be done. I also decided to switch to a conventional octo-design and build up a new version using…"
May 3, 2016
Syrphus_AWO replied to Syrphus_AWO's discussion LOG file view needed // X-8 Survey mission // disturbance due to limited motors?
"Dear community,

unfortunately there was a crash in the middle of todays second flight when in a preplanned mission the copter was lost at Alt 80m.
The EKF showed no perfect compass values (also after new calibration on site). Vibs were fine.
After…"
Apr 29, 2016
Syrphus_AWO replied to Syrphus_AWO's discussion LOG file view needed // X-8 Survey mission // disturbance due to limited motors?
"Todays Mission was with 3m/s only. ATTs look better from my point of view.

What do you think?
http://www.filedropper.com/2016-04-2814-53-17

Thanks 

Alex"
Apr 28, 2016
Syrphus_AWO replied to Syrphus_AWO's discussion LOG file view needed // X-8 Survey mission // disturbance due to limited motors?
"Hello Cala,

thanks for your quick response.
AutoTune was done (all axis) not long ago and did look fine. Very easy to do and very nice flying performance manually. The Copter should nevertheless be limited to a max. ground speed of 3m/s.
When i did…"
Apr 27, 2016
Syrphus_AWO posted a discussion
Dear members,with my octo (X8 frame; APM and MP on latest stable version) i did a survey mission some days ago and had two "instability issues" in the middle of the flight (on a part of the mission when the flight path was just straight on…
Apr 27, 2016
Syrphus_AWO replied to marc.kulhavy's discussion Crash due to uncommanded yaw - log file analysis needed
"Hello Leonhardt,
thanks again for your feedback and additional suggestions. I will check the higher rates for Rate_I_MAX.One final question with regard to all the calibrations that are done. Is there a way to see how successful these calibrations…"
Apr 15, 2016
Syrphus_AWO replied to marc.kulhavy's discussion Crash due to uncommanded yaw - log file analysis needed
"Hello Cala,
thanks a lot so far.
We did some test flights later again. Switched to different propeller blades (though also composite they are not that stiff like the ones we used before) and wanted to see the effect on the vibes. The vibes did not…"
Apr 12, 2016
Syrphus_AWO replied to marc.kulhavy's discussion Crash due to uncommanded yaw - log file analysis needed
"Hello Leonhardt,
here's the log files of todays flights. 
http://www.filedropper.com/logs2016-04-12
I did some interruption testing during mission flights and switched flight modes.

Thanks for your help.
Greetings.

Alex"
Apr 12, 2016
Syrphus_AWO replied to marc.kulhavy's discussion Crash due to uncommanded yaw - log file analysis needed
"I tried to set the proposed bit-Code using the LogsFlags.exe for Windows.It's not exactly matching the Log options in my MP version but i hope this will give us the data you need.Waiting now for the rain to stop and then go for a new testflight."
Apr 12, 2016
Syrphus_AWO replied to marc.kulhavy's discussion Crash due to uncommanded yaw - log file analysis needed
"Thanks for the input, Leonhardt. I will do so and post a link to the new LOG-file tomorrow or the day after.

Thanks
Syrphus"
Apr 11, 2016
Syrphus_AWO replied to marc.kulhavy's discussion Crash due to uncommanded yaw - log file analysis needed
"Hello Leonhardt,

would you mind having a final look at the LOG files after our changes?

http://diydrones.com/xn/detail/705844:Comment:2230570

Thank you very much.

Alex"
Apr 9, 2016
Syrphus_AWO replied to marc.kulhavy's discussion Crash due to uncommanded yaw - log file analysis needed
"Hello altogether,

i would like to thank you for your input and for the time you spent in investigating and trouble-finding.We checked all topics we could, tested with 7 motors running, checked all mechanical issues, optimized electrical system and…"
Apr 6, 2016
Syrphus_AWO replied to marc.kulhavy's discussion Crash due to uncommanded yaw - log file analysis needed
"Dear Community, hello Cala,

as i am the user of the system i could take a few photos.
Please find them attached to this post.

Greetings

Alex"
Mar 21, 2016