Christoph
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  • Karlsruhe
  • Germany
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Christoph's Discussions

Setup tips and questions (Trex 450)

Started this discussion. Last reply by Christoph Oct 15, 2011. 5 Replies

Dear all, I am planning to try out arducopter with a flybar Trex 450 to gain first experience with the hard- and software.My setup thoughts so far:- will use my 401 gyro with heading hold and plan to…Continue

Loading code with MP works, but prompt line still shows former code version

Started this discussion. Last reply by Randy Sep 19, 2011. 25 Replies

I just got my APM two weeks ago.Read though all the wiki and loaded the arducopter code 2.0.39 beta. It was the code which was available at that time through the mission planer.Now the latest one is…Continue

 

Christoph's Page

Latest Activity

Justin H. replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"Yes, all in STB."
Oct 27, 2015
Justin H. replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"Stab Yaw P: 5.00 Rate Yaw P: 0.400 I: 0.040 D: 0.004 IMAX 100"
Oct 27, 2015
Christoph replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"You were flying that all in manual, so no auto, loiter, position hold?"
Oct 27, 2015
Christoph replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"Can you share your PID settings for YAW? Thanks."
Oct 27, 2015
Erik Graham replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"Maybe in perfect conditions with no wind. But in real world conditions, if you want buttery smooth video your gonna have to bite the bullet and step up to a 3-axis."
Oct 26, 2015
Justin H. replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"And here's the same pilot, same craft, with a flat expo curve. "
Oct 26, 2015
Justin H. replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"Well, here's a demo of what I came up with using the Tarot 2D. No post-processing. <iframe width="560" height="315" src="https://www.youtube.com/embed/orQz966CtPk" frameborder="0"…"
Oct 26, 2015
Christoph replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"Hi Erik, I see it like this: Along the X and Y axis the quad needs to tilt in order to manoeuver around. Those system immanent and necessary movements you don't want to see on your camera, so you need at least to stabilize those two axis. Yaw…"
Oct 26, 2015
Erik Graham replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
""For me it's hard to accept that I would need a 3 axis gimbal." I'm curious why? The quad maneuvers on 3-axis so if you want stable, smooth video, you'll need a 3-axis gimbal. You might be able to soften things up with…"
Oct 25, 2015
Justin H. replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"No, I'm talking about the unintentional yaw that happens when the expo curve is flat. It's unforgiving, so even the slightest unintentional left-right movement on the stick when applying throttle will result in some yaw movement. If you…"
Oct 24, 2015
Christoph replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"Hi Justin, I did not know that the controller will have an influence on yaw stabilization even if I don't touch the stick. So the control loop depends on the controller settings? "
Oct 24, 2015
Mark Perot replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"This the fieyu tech G3. Works great."
Oct 23, 2015
Justin H. replied to Christoph's discussion Annoying yaw movements Iris+ - how to tune them away in the group IRIS
"Hi Christoph, I think that's a fairly common problem. Most people I've asked about it (especially professional aerial photographers) recommend going at the controller rather than the PIDs at first. A 40%-50% expo curve on your yaw input…"
Oct 23, 2015
Christoph added a discussion to the group IRIS
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Annoying jaw movements Iris+ - how to tune them away

I am using my Iris+ for about half a year now. Without any major issues. All is running smooth.There is just one annoying issue that with a 2-axis gimbal (Tarot) I always need post video stabilization as there are strongly visible yaw movements.I have seen other raw videos on youtube and it seems that some persons get much better yaw stability.I tried tuning the PIDs with minor success. Basically I am able to tune down the amplitude of the yaw movements, change their frequency, but so far have…See More
Oct 23, 2015
Christoph replied to Dale Greer's discussion Will solution for Texas heat upset the barometer? in the group IRIS
"Can you read out the temperature from your log? Somewhere in the the barometer values there is a parameter baro temp. I would be interested in what that says in case of your flights."
Aug 25, 2015
Christoph replied to Justin M's discussion 3DR Iris Screwed Me Again! in the group IRIS
"In addition. After I build up confidence, I started checking out the fail safe modes. In real conditions. Switching off the transmitter, simulating loss of signal during a mission and during position hold mode. Guess what. Works fine. No crash,…"
Jul 24, 2015

Profile Information

About Me:
Airplane and Helicopter Pilot. Flying Trex 450.
Please tell us a bit about your UAV interest
Recently bought an Ardupilot Mega set and would like to try it with my traditional heli.
Hometown:
Karlsruhe

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