Let's show it off!

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Re: Let's show it off!

Postby Kisssys » Thu Mar 07, 2013 4:43 pm

This contest at DIYDRONES seems to be designed for the AQ and may be a good place to show it off. I think it goes to April 14, 2013

http://diydrones.com/profiles/blogs/t3-season-two-the-multirotor-one#comments
Steve
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Re: Let's show it off!

Postby bn999 » Thu Mar 07, 2013 5:28 pm

rwijnhov wrote:Ok all I see are a lot of hovering movies and waypoints. I would like to see a video of some more fast and hard flying. My experience with the aq was that it realy didn't like that. I am realy thinking to get back on the project. I got out at 6.43. So has there been any improvement on this section?


There's nothing in the firmware that limits or reduces fast, agressive flight / maneuvering. In order to go fast with a multirotor, you need a lot of tilt. In manual mode, the tilt is limited by the pitch/roll stick throw which is controlled by the CTRL_FACT_PITC and CTRL_FACT_ROLL parameters. These factors are multiplied against the pitch/roll radio channel data resulting in +- degrees of tilt from level. The default values are 0.05 and if, for example, your radio outputs +-512, you would end up with a maximum tilt of ~25.6 deg.

You can increase these factors much more and achieve a fully stabilized yet very agressive platform.

The only other thing I should mention is that you will loose some GPS satellites during periods of extreme tilt. While this will not lead to immediate trouble, the position and velocity solutions calculated by the Ublox module will suffer at the moments when the system needs them the most - during agressive, high g maneuvers where the GYO's & ACC's are at their worst and need the most correction.

I'd love to see some video of someone who has tuned an AQ for high tilt and can competently show what it is capable of.
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Re: Let's show it off!

Postby rwijnhov » Thu Mar 07, 2013 7:40 pm

Oh no that sounds that I need to get back in :D I almost only fly fpv with a multi. So i needs to have some grunt to keep it exiting.
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Re: Let's show it off!

Postby chschmid » Sat Mar 09, 2013 10:19 pm

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Re: Let's show it off!

Postby leopold1 » Sat Mar 09, 2013 10:49 pm

Christof,

Check the last post in this topic concerning yaw during landing

http://forum.autoquad.org/viewtopic.php?f=32&t=2086&p=10663#p10663
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Re: Let's show it off!

Postby chschmid » Sat Mar 09, 2013 11:43 pm

Thanks for the link. I just tried it out myself. On the 2nd mission I set it to a positive value and it just worked fine.

Best
Christof
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Re: Let's show it off!

Postby LPR » Sun Mar 10, 2013 4:14 am

This is not a video for everyone but some might like it. I turns around at 2.15.

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

Larry
Last edited by LPR on Sun Mar 10, 2013 1:57 pm, edited 1 time in total.
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Re: Let's show it off!

Postby chschmid » Sun Mar 10, 2013 7:46 am

LPR wrote:This is not a video for everyone but some might like it. I turns around at 2.15.

http://www.youtube.com/my_videos_edit?v ... HEOJg&ns=1

Larry


Hi Larry

I think this link is broken.

Best
Christof
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Re: Let's show it off!

Postby LPR » Sun Mar 10, 2013 2:00 pm

chschmid

You are right, I fixed it.

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Re: Let's show it off!

Postby chschmid » Sun Mar 10, 2013 5:57 pm

Larry, nice and stable flight. Did you sit on the snowmobile and follow up?

Cheers
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