RC India

RC Models => Self-designed, DIY and College Projects => Topic started by: AyushGupta on March 29, 2011, 11:05:20 PM



Title: Quadcopter
Post by: AyushGupta on March 29, 2011, 11:05:20 PM
Hi Everyone,

I have been a member of this forum for some time and it has been a great source of learning. I have built a
stabilized quadcopter. It has the following Features :
  • Flight Time       :    20 - 25 min
  • Height             :    upto 200ft tested (could go even more)
  • Range             :    500m from my transmitter
  • Payload           :    600 - 800 gm

Here is a youtube video Link of the first flight. Please have a look.

http://www.youtube.com/watch?v=3EoSlJRZjIU (http://www.youtube.com/watch?v=3EoSlJRZjIU)

I have also attached some pics of me flying it during my Institute Fest Vivacity this year in Feb

You can contact me at the following:
Ayush Gupta
Jaipur.
ayush.leo10@gmail.com
09352717410


Title: Re: Quadcopter
Post by: anwar on March 29, 2011, 11:09:25 PM
Good one :thumbsup:

But the most critical information is missing :)  What controller/gyro setup did you use ?


Title: Re: Quadcopter
Post by: AyushGupta on March 29, 2011, 11:11:38 PM
I used an Atmega microcontroller and self written code.


Title: Re: Quadcopter
Post by: anwar on March 29, 2011, 11:12:11 PM
What about gyros etc ?


Title: Re: Quadcopter
Post by: AyushGupta on March 29, 2011, 11:15:29 PM
I designed my own PCB and used Accelerometers, Gyroscopes and Magnetometer to create an AHRS (Attitude and Heading Reference System) to help stabilize my setup.


Title: Re: Quadcopter
Post by: anwar on March 29, 2011, 11:16:46 PM
Very nice !  Please do post some close up pictures of the quad itself.

Also, it would be nice to see a full build log here. I hope you have preserved intermediate pictures of the build :)


Title: Re: Quadcopter
Post by: AyushGupta on March 29, 2011, 11:19:12 PM
Thank You. :) ;D  Would surely add more pics and videos...


Title: Re: Quadcopter
Post by: ujjwaana on March 29, 2011, 11:37:00 PM
I used an Atmega microcontroller and self written code.

Why not add feature in Arducopter and other open source project ? If people had continued writing their own Kernel all the time,  Linux, HPC and Android would have never seen the light. You prized code would gather rust if could not dedicate time in future or attract other's attention to refine and maintain it.


Title: Re: Quadcopter
Post by: Akshayb on March 30, 2011, 06:34:46 AM
Nice one Ayush.

It would have been better if you might have posted more details about your project.

Yes Ujjwaana you are correct, there's a saying in Sanskrit "Wealth decreases if distributed but Knowledge increases on distribution"





Title: Re: Quadcopter
Post by: anwar on March 30, 2011, 12:15:02 PM
Ayush can confirm, but people rarely write such code from scratch.  Typically a standard framework/project is modified to suit the hardware one is using, and do minor tweaks for added stability etc.

Yep, for most people, it seems like more fun to add new features to existing stable code, like these guys are doing ;D

http://www.youtube.com/watch?v=3CR5y8qZf0Y


Title: Re: Quadcopter
Post by: AyushGupta on March 30, 2011, 01:15:43 PM
Ayush can confirm, but people rarely write such code from scratch.  Typically a standard framework/project is modified to suit the hardware one is using, and do minor tweaks for added stability etc.

Well its rare but i did start mine from scratch. Codes for all PPM decoding, stabilization, motor controls are self written, though i did use work of Bill Premmerlani  on DCM algorithm for my AHRS.
The Hardware (PCB) is also custom made, as i told earlier.

The general idea with most people is to use off the shelf products and either reverse engineer or tinker it to meet one's need but what i am trying to achieve over here is a complete UAS system with fully configurable features. 


Title: Re: Quadcopter
Post by: izmile on March 30, 2011, 01:25:46 PM
Excellent work Ayush. As said earlier most people use existing framework but building your own stuff is something outstanding. That is what scratch building is all about and I encourage the original thinking. You learn a lot when you do all by yourself and you are not biased by others' ideas..

Keep up the good work.  :thumbsup: :thumbsup:


Title: Re: Quadcopter
Post by: anwar on March 30, 2011, 03:07:51 PM
Well its rare but i did start mine from scratch.

Awesome :thumbsup: I am glad I asked the question !


Title: Re: Quadcopter
Post by: Tassem on March 31, 2011, 03:20:19 PM
This is brilliant work!  :thumbsup: Could you put up some pics of it during the build? And as Anwar said, a complete log would be great!

Thanks for sharing.


Title: Re: quadcopter
Post by: jiteshjain01 on June 07, 2011, 06:37:39 PM
I am also building a quadrocopter based on aeroquad.

Anybody from Mumbai.
Contact me:9819336435

[Moderator Edit] Converted above text to lower case. Please avoid over-usage of uppercase letters.It looks like you are shouting ! Please see usage guidelines at http://www.rcindia.org/rc-india-forum/forum-usage-tips/


Title: Re: Quadcopter
Post by: vikram on August 13, 2011, 06:44:13 PM
Hi. your project is very nice. can u post some pics to my mail?
Vikky_snvr@yahoo.com

Tnk u
Happy hovering


Title: Re: Quadcopter
Post by: indianuav on June 23, 2012, 10:04:53 AM
Kind Attention: Ayush

Is your system is stable?
How much Payload?
And
What altitude max it achieve yet?