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Netduino and ar.drone


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#1 dm3281

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Posted 01 December 2010 - 02:36 AM

If you haven't seen wha an AR.drone is http://ardrone.parrot.com/mobile/ check it out. It would be really cool to see a community project on building something like this using netduino an a windows phone 7.... What you think?

#2 Chris Walker

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Posted 01 December 2010 - 03:11 AM

Yes, awesome. Would probably be best using native code interop. +1

#3 Eric Burdo

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Posted 01 December 2010 - 01:46 PM

Wow... I've never heard of that before... but... it just went to the top of my Christmas list! :lol:
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#4 Chris Seto

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Posted 01 December 2010 - 05:43 PM

The AR. Drone is fairly fragile, and for the price, you could start building a real quadcopter. My quadcopter is based off the AeroCopter: http://aeroquad.com/content.php

#5 dm3281

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Posted 02 December 2010 - 01:59 AM

The AR. Drone is fairly fragile, and for the price, you could start building a real quadcopter.

My quadcopter is based off the AeroCopter: http://aeroquad.com/content.php



Very cool. Now netduino needs to get in the picture

#6 Eric Burdo

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Posted 02 December 2010 - 02:28 AM

Very cool. Now netduino needs to get in the picture


It should be compatible with that quadirotor, right? Just a matter of porting the code? Standard Arduino/Netduino form factor, and some shields.

Granted, the code porting is the "fun" part...

I wish I had a bigger budget. :)
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#7 Chris Seto

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Posted 02 December 2010 - 05:55 PM

It should be compatible with that quadirotor, right? Just a matter of porting the code? Standard Arduino/Netduino form factor, and some shields.

Granted, the code porting is the "fun" part...

I wish I had a bigger budget. :)

Stabilizing an inherently unstable aircraft and non-realtime code are not a good match.

Yes, you could do it, but the results are sub optimal, in fact, I know of someone who did port quadcopter code to a FEZ, and it's still not flying ;)

The better option would be to use a small chip (even an 8bit MCU would be more than fine) and have that linked up to a coprocessor running NETMF. The 8bit MCU (or ARM7, whatever) would run the control theory and talk to the ESCs at high speed to stabilize the aircraft and take input from the high level coprocessor.

If the NETMF board does something weird, the aircraft is still perfectly stable. The aircraft's stabilization is not affected by the GC, etc.

#8 Frank

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Posted 02 December 2010 - 07:53 PM

Is this a good place for the FPGA shield that was talked about a few weeks ago ?
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#9 Chris Seto

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Posted 02 December 2010 - 08:00 PM

Yes. The FPGA can run the three PID controllers and all the mixers required for quadcopter stabilization.




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