UAV and UAV Landing Platform close to completion!

UAV and UAV Landing Platform close to completion!

I posted a while back with our project and we have been keeping it in hiding until we fully finished it. We still have some things left to finish. We were able to get the magnetic locking system to work using 2 HITECH 755 series Servos to lower/lock the magnetic arms.

Main Features Include:

For the Rover

Regenerative Charging System based on a Bedini Motor
Magnetic Neodymium Locking System for the quadcopter
Mecanum Wheels
Andymark 1200 oz-in 198 RPM 2-Stage Planetary Gear Motors
XBEE Pro 900 MHz on the Communication Controls
APM 1.5 just for real time navigation/GPS
Custom Made Motor Controllers
All custom embedded code able to handle up to 255 devices
Real Time monitoring from a control terminal
Touchscreen LCD for controls
Fingerprint scanner for authentication
Independent Speed Controls for all motors
FPV using a 200mW transmitter on 1268 mHZ
Custom made Frame/Shell
Monitoring Control panel
2-Way Mirror Film top
NeoPixel Runway Lighting \
GOPRO HERO3 on a Pan and Tilt System
Maxbotix SONAR

For the Quadcopter:

DJI F450 Frame
DJI OPTO ESC"s
DJI 930kV Motors
10" APC Props
200mW FPV on 1280 MHz
XBEE Pro Telemetry
APM 2.6
MinimOSD
DJI Landing Gear
Custom 3D printed landing feet with magnets in them
Lasers
Frsky 2.4 gHZ Receiver
Turnigy 9X Controller
GOPRO HERO3
Maxbotix SONAR

Some of the videos are a little outdated as far as the aesthetics go.

But check them out!

You have hit the nail on the head. We wanted to do GPS, but when you combine the fact that (affordable) GPS is within 3 meters of accuracy, and you combine that with using GPS on not one, but two devices, you end up with a huge range of inaccuracy for trying to land. What we decided to do was have the UAV fully autonomous and then get as close as we can with the rover with GPS Position mapping. We then "catch" the UAV using our manual control systems. This is where the Mecanum wheels became so valuable. In order to try an alleviate a complete manual control, we use the GOPRO, SONAR, Laser Guidance, Magnetism, and GPS/Mission Planner. It is not a pure autonomous system(yet), but we are also only a group of 4 Electrical Engineers.

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Comments

Ken Gaines April 17, 2014 at 8:22am

Please tell me that rover is an amphib!!!! This is just cool stuff!
Harry April 17, 2014 at 1:18am

That ground vehicle is freaky the way it changes direction.
Brandon Frazer April 16, 2014 at 11:32pm

You have hit the nail on the head. We wanted to do GPS, but when you combine the fact that (affordable) GPS is within 3 meters of accuracy, and you combine that with using GPS on not one, but two devices, you end up with a huge range of inaccuracy for trying to land. What we decided to do was have the UAV fully autonomous and then get as close as we can with the rover with GPS Position mapping. We then "catch" the UAV using our manual control systems. This is where the Mecanum wheels became so valuable. In order to try an alleviate a complete manual control, we use the GOPRO, SONAR, Laser Guidance, Magnetism, and GPS/Mission Planner. It is not a pure autonomous system(yet), but we are also only a group of 4 Electrical Engineers.
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Alex April 16, 2014 at 11:24pm

Awesome stuff, I was just wondering if you are using anything special to control the landing onto the platform as I imagine regular GPS on its own is not accurate enough? I guess altitude is controller with the sonar, but what about position?

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