Are you working on an Amateur UAV project?
Replies to This Discussion
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Permalink Reply by shailendra singh on -
hai achal i m just a armature in field of aeromodelling,and knw nothing about it but had some knowledge in advance robotics as i had recently completed a robotics workshop frm iitk.i had a future project just like u on UAV but it is totaly fr army .i need yr helpcan u tell me frm wherecan i have infrmation about robotics and if u donot mind i want to talk to u in personal.my email id is srj0408@gmail.com
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Permalink Reply by Achal Agrawal on -
PUSHPAK-1, THE UAV PROJECT, continued
Project is Split in following parts:
- Development of Airframe.
- Development of dsPIC based Flight Computer and PIC18 based servo controller.
- Interfacing Pressure sensors & Gyro.
- FLIGHT TEST 1 : The glider will be flown manually with airspeed, altitude sensor & Gyro. A data telemetry system will send the Airspeed and Altitude data on ground. This data will be used for sensor calibration.
-FLIGHT TEST 2: The glider will be flown with only altitude hold program in Autonomous mode. Rudder and throttle control will remain with operator in autonomous mode. Altitude hold function & Switching between modes will be tested.
-GPS will be integrated in the system.
-FLIGHT TEST3: In autonomous mode the glider wil be programmed to circle around a fixed location with controlled rate turning and altitude hold.
- Compass will be integrated.
-FLIGHT TEST4: Multipoint navigation trial with help of GPS and Compass.
PROJECT PROGRESS:
The project is in the design stage right now, Airframe is ready. I am working on preparing schematics and PCB for the Flight computer as well as the servo controller. Also working on the Algorithm and is almost finalized.
I would like to have your comments and suggestions regarding this project. I Will keep on updating information as the project progresses.
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Permalink Reply by Genesis Factor on -
I am building a UAV. I started with a heli, a blade cx, but it was too small for what i wanted it to carry, and there was too much new things to learn. After picking up a 3.5" SBC, and a load of frame grabbers, it became pretty clear that i should try again with a larger plane type aircraft.
The craft will be ground station controlled, with basic auto pilot navigation. Later, i will add cool features to it.
Chris, i've been reading your posts quite avidly. All i can say is "thank you". The servo controller, the FMA co pilot...all these things will make my life easier. I almost can save that 5 axis IMU for the Heli as planned.
I guess the #1 thing i have questions on, as mine will be using those 640x480 Sony SUPERHAS CCDs, except that the spotter CCD will have a monster computar lens, is on image stabilization. I looked up how to build a steady cam, gyros, a whole slew of things, and i still haven't figured it out. Then again, i dont know how stable my aircraft will be as i started buying things a week ago. However, for the most part, other than programming, which i suck at, I have it figured out. I even am putting a parachute for emergency deployment. :)
Has anyone gotten their UAV to LAND autonomously?
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Permalink Reply by Zeq on
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Hi there Gnesis Factor,
yes, I've gotten my UAV to land completely autonomously. It must be one of THE MOST amazing experience of my life to see a completely autonomous plane doing an auto landing.
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ZEQ
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Permalink Reply by hypergolic on -
Damn, I am jealous :P
Didn't happen to get video of it did you?
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Permalink Reply by Genesis Factor on
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oooo....oh we're gonna need to talk! :)
congratulations!
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Hi there hypergolic and Genesis Factor,
no... unfortunately everyone at that time was soooo focused on getting the plane land safely under full command of the autopilot system. And to add to the drama it was raining as well at the time! So no one was holding the video cam at the time, everyone was assigned to do sth incase the plane go astray.
Its got to do with the programme..subroutine for landing - lining up the aircraft properly, base leg, final leg etc etc. Thats the tricky bit. And also gain scheduling. Because you are naturally going to fly the aircraft both at gradually reducing speeds and altitude you need to schedule your gains to change perfectly at the right speeds or/and altitude. It's tough.... but my god when it works.. you'll see something absolutely amazing.
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ZEQ
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Permalink Reply by curt westergard on -
Chris,
I need to speak to you about a confidential search and recovery (SAR) expedition we are preparing for. It involves customizing one of our tethered surveillance aerostats traversing very difficult terrain. We have a need for wireless video, navigation, transmitters, pan and tilt equipment to help the search party. I see you have interest and skills idendifying low cost tools which may mean low weight surveillance / aerial tools. Can you possibly call me or write. I have not yet had you respond to my DIY Drone communications so lets try the phone.
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Permalink Reply by dincer hepguler on -
i am working on a big uav project, maybe bigger than i can handle... my project is Gündoğan ( Solar Falcon in english). as you can easily imagine she is a solar powered microprocessor controlled totally hand made UAV. i am not an engineer nor electronics expert but only a robotics enthusiast. but still i started this challenging project. i am working with trial and error and some web searching. until now i managed to complete the prototype plane mainframe and manufactured the wing with the solar panels and made the plane ready to fly manually. next step is the navigation electronics. i am planning to leave the flight stabilization to an art-tech co-pilot with IR horizon sensor and do the navigation with DIY Drones' Ardu pilot. the reason is i am used to playing with Arduino. waiting for Chris and jordi to finish their work with it and publish the latest pcb and Arduino code. you can find the details of my project at:
http://borsaci06.com/robotics.html
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3D RoboticsPermalink Reply by Chris Anderson on -
Very creative use of PVC bottles! Why did you choose NiMH batteries? Was it too hard to design a LiPo charger that the solar cells could drive?
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Permalink Reply by NorthSweden on -
Yes iam
I will have the Predator UAV airframe very soon plus some servos and stuff.
Jag är svensk. hehe
Härliga filmer du har laddat upp.
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Permalink Reply by mohanakannan on -
Hi.. my name is mohanakannan from India recently got a bachelor degree in aeronautical engineering. As a final project I designed and built an unmanned aircraft. This aircraft has been built entirely out of junks. I used an old bike engine to power my airplane it is a 125cc petrol engine that delivers around 10bhp. I designed and carved a wooden propeller on my own for my uav. The aircraft is controlled by a 6 channel rc system in which the low torque servos actuates a proportional switch that in turn controls a high torque electric motor to actuate the heavy control surfaces of my aircraft.This new approach has reduced the cost by over 60%. This is one big innovative thing that is found in my aircraft. But I have worked a long time with my control system perfecting it to work almost similar to a high performance servo.
We Indians concentrate first on budget for what ever we do so I wanted my airplane to be built at an extremely low cost. I spent only around 700$ to build my airplane (a massive scale airplane with 14 foot wing span and 55kg in weight). Its a simple design high wing with dihedral so it should fly exhibiting the predicted performance. the overall take off weight of my airplane is over 55kg. I am working almost an year in this project and has successfully completed the ground run of my aircraft.
URL of the Ground run video of my airplane: http://www.youtube.com/watch?v=0EvYnF5qwG4
Mohanakannan. - Attachments:
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IMG_0600.jpg, 1.8 MB -
IMG_0545.jpg, 2 MB
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