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Prague


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Aerial photography, photogrammetry surveys.


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Ondřej Procházka replied to Ondřej Procházka's discussion APM Plane oscillating on upwind legs
"Thanks Andre. EKF is off.
The log has about 48 megabytes, which is well bellow the diydrones limit, but I can send it to you by email if you provide me with your address.
Interestingly, there were also some quite crazy yaw readings when the plane…"
Feb 22, 2015
Ondřej Procházka replied to Ondřej Procházka's discussion APM Plane oscillating on upwind legs
"Yep, running APM:Plane 3.2.0, run autotune and the plane flies very well in FBWA mode, even in high winds. I have tried many different values for NAVL1_DAMPING and NAVL1_PERIOD, and there seemed to have little or no impact on the oscillating…"
Feb 21, 2015
Ondřej Procházka replied to Ondřej Procházka's discussion APM Plane oscillating on upwind legs
"wierd, the link should work fine, you can try the one below for indirect download
https://www.dropbox.com/s/k1q5puiry1rjdvi/112.BIN?dl=0"
Feb 21, 2015
Ondřej Procházka replied to Ondřej Procházka's discussion APM Plane oscillating on upwind legs
"Hi Andre,

Please use the link below to find the data flash log you requested. The interesting things happen between 13:42:00 and 14:25:00.
https://dl.dropbox.com/s/k1q5puiry1rjdvi/112.BIN
Many thanks for your time,Ondrej"
Feb 20, 2015
Ondřej Procházka replied to Ondřej Procházka's discussion APM Plane oscillating on upwind legs
"Hi Nampilot,
Many thanks for valuable insight! It all seems very reasonable. Unfortunately I cannot figger out how to control the roll outer loop in APM. Historically, there seemed to be a parameter doing just that (HDNG2RLL_P), however this…"
Feb 20, 2015
Ondřej Procházka posted a discussion
I tried to search past threads for this topic, but have not succeeded, so here is a question I humbly pose to  all APM Plane experts.Past Wednesday, we have been flying Skywalker 1900/Pixhawk system in auto mode. There was some wind at roughly 240…
Jan 30, 2015