Let's show it off!

Sub-forums on topics related to all AQ flight controllers.

Re: Let's show it off!

Postby LPR » Sun Mar 10, 2013 6:05 pm

Christof

I would not be comfortable letting the octo go so far if I did not follow it. At 1.40 you can see the snowmoble on the left side of the screen. I was wearing a hat with a camera so that video is on youtube also.

Larry
Last edited by LPR on Mon Mar 18, 2013 4:34 pm, edited 1 time in total.
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Re: Let's show it off!

Postby kinderkram » Sat Mar 16, 2013 11:57 pm

Skipped the Calibso, didn't bother to tune anything - just slapped it on a quad frame and went flying. :o

German user Mario performs AH/PH with a completely untuned AQ6:

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Re: Let's show it off!

Postby eat5hams » Tue Mar 19, 2013 1:38 am

Kinderkram, I saw that video on the rcgroups thread and was very impressed. I think AutoQuad will be my next board after I cut my teeth on an APM2.5....

I'm very encouraged by how good these results are untuned. I'm curious, did this setup include some sort of sonar for auto height? I didn't know that a barometer could be that accurate! If so, I'm VERY impressed. If not, I'm still impressed!
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Re: Let's show it off!

Postby JussiH » Tue Mar 19, 2013 11:40 am

A word of caution on untuned/uncalibrated setups.

While it may work, an uncalibrated board will use the GPS to correct errors in acc/mag scale and bias. This means that if flown without GPS or if GPS signal is lost, "funny" things could begin to happen.

The above user may have been lucky to get a board where the ACC bias and scale is close to ideal from the factory. This will NOT be the case for most boards, and there is always need for calibration to make sure all IMU parameters are scaled correctly. All sensors are not created equally!

What you see in the video is the power of the Unscented Kalman Filter used in AQ - with a good GPS reception it will be able to correct a lot of error in the other sensors. The filter constantly estimates Bias errors in the IMU, and if a sensor is showing a lot of Bias, less emphasis will be placed on that particular sensor.

So proceed with caution if going down this route - and its not really recommended to skip calibration for any reason!
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Re: Let's show it off!

Postby kinderkram » Tue Mar 19, 2013 11:41 am

eat5hams wrote:Kinderkram, I saw that video on the rcgroups thread and was very impressed. I think AutoQuad will be my next board after I cut my teeth on an APM2.5....

I'm very encouraged by how good these results are untuned. I'm curious, did this setup include some sort of sonar for auto height? I didn't know that a barometer could be that accurate! If so, I'm VERY impressed. If not, I'm still impressed!
No sonar - the AQ6 uses the baro. In case of Mario's quad he even didn't cover the pressure sensor to protect it from air stream and light. :o
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Re: Let's show it off!

Postby eat5hams » Tue Mar 19, 2013 3:32 pm

JussiH wrote:A word of caution on untuned/uncalibrated setups. ... ... So proceed with caution if going down this route - and its not really recommended to skip calibration for any reason!


No worries, I definitely plan on doing all of the calibrations, but it's certainly encouraging to see such good results out of the box, and also to read about many people who are only adjusting one or two values while tuning PID settings (after calibrations). It gives me great hopes!

That's awesome it can get this level of accuracy with just the barometer! Getting excited!
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Re: Let's show it off!

Postby Kisssys » Thu Apr 25, 2013 11:58 pm

I killed 2 ladybirds, changed one line of code, commented out 1 line, changed the engine end points and this is what I got with default PID's.


Cheers
Steve
Last edited by Kisssys on Fri Apr 26, 2013 12:25 am, edited 1 time in total.
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Re: Let's show it off!

Postby skew » Fri Apr 26, 2013 12:22 am

Kisssys wrote:I killed 2 ladybugs, changed one line of code, commented out 1 line, changed the engine end points and this is what I got with default PID's.

http://www.youtube.com/watch?v=N_jxs19nLOQ

Cheers
Steve



Steve, I was looking for my fly swatter after watching that LOL Looks like you got a handle on it :D
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Re: Let's show it off!

Postby 13brv3 » Fri Apr 26, 2013 2:04 am

Sounds like some of our mosquitoes :-)

Rusty
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Re: Let's show it off!

Postby Max » Fri Apr 26, 2013 4:51 am

Ha, that's great Steve! Cute li'l bugger! What's driving the motors?

-Max
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