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« on: March 10, 2011, 01:07:33 AM »
rasheed
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my quad on air
comments pls


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« Reply #1 on: March 10, 2011, 01:10:05 AM »
rasheed
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will update in HD Wink
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« Reply #2 on: March 10, 2011, 01:28:55 AM »
anwar
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Nice Thumbs Up

Please do post technical details, pictures and videos of the quad itself, as the audience is mostly interested in that.  Video's shot from the quad are great, but the GOOD stuff is else where Smiley

Welcome to RC India !
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« Reply #3 on: March 10, 2011, 01:38:10 AM »
rasheed
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Thanks a lot Mr.Anwar
I have mentioned about my hardware @ end of the video ,
Aerial Photography is my Hobby Smiley

will update with more Videos in HD
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« Reply #4 on: March 10, 2011, 01:43:42 AM »
anwar
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It would be good to know the following.

Which software did you use ? 

What were the sources for 3-axis gyro, accelerometer etc ?
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« Reply #5 on: March 10, 2011, 01:48:59 AM »
rasheed
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ADXRS620 from analog device ... they not yet released but i got the samples  Wink

adxl335   Smiley

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« Reply #6 on: March 10, 2011, 01:50:27 AM »
anwar
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What about software ? 

Please do post pictures from the build, if you have them.  People here enjoy that part the most !
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« Reply #7 on: March 10, 2011, 01:57:52 AM »
rasheed
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i use embedded c , with dual layer PID Smiley , i flew it in the beach , quite stable as a rock in the air ,
onboard GOPRO HD ,

i never had a hand on heli , how do you feel on  my flying skill , because you are the master in heli , please let me know if i do it in wrong way ,

Thank you
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« Reply #8 on: March 10, 2011, 01:59:52 AM »
rasheed
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soon i will post the pictures and videos ..
 
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« Reply #9 on: March 10, 2011, 02:15:21 AM »
anwar
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Are you associated with this person ?  Just remembered this from the "dual layer pid" bit Smiley

http://www.rcindia.org/self-designed-diy-and-college-projects/quadrotor-rtf-sale/msg37509/#msg37509
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« Reply #10 on: March 10, 2011, 02:52:41 AM »
rasheed
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i know him ,

im doing Ph.D @ MIT chennai, and he is just passed out from IITM , he also did nice work on quad , but i lost his contact .


PID  nothing but a closed loop system

which has inner loop and outerloop

there are two modes one is  acromode and the other is hover mode

in the acromode  i use gyros alone .. no need of accelerometer it just get the feedback from the rate gyro and make correction @ that instant

in hovermode i use both gyro and accelerometer to calculate the angle to which the quad is disturbed from the horizon , so  in  hover mode we can do  hands free hover ,

 In acromode we can do looping , fast yaw , spin  ... but we cannot do the same on hover


acro is like flying a Flybar less T-REX 700 SE   with 30% nitro ,max swash adjustment (she will be wild in the air ), hover is like BIG LAMA damn lazy in the air
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« Reply #11 on: June 27, 2011, 07:00:06 AM »
sensationalidiot
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nice
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***sathish***
 

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« Reply #12 on: July 04, 2011, 10:35:32 AM »
manu
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Awesome man.......!!!!!!!!!!!
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