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Open-Source UAS

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Open-Source UAS. Introduction. UAV is an U nmanned A erial V ehicle Our goal is to setup two different plane configurations with Paparazzi autopilot and fly them autonomously Do this in conjunction with two separate Aerospace Engineer teams - PowerPoint PPT Presentation

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Page 1: Open-Source UAS
Page 2: Open-Source UAS

Introduction• UAV is an Unmanned Aerial Vehicle• Our goal is to setup two different plane configurations

with Paparazzi autopilot and fly them autonomously• Do this in conjunction with two separate Aerospace

Engineer teams• Create a handbook detailing simple recreation of this

project

BETTER PIC THAN THIS

Paparazzi enables a UAS package to be sold internationally without limitations from the International Traffic in Arms Regulations (ITAR)

Page 3: Open-Source UAS

Airframes

• Multiplex Funjet– Elevons only for

pitch/roll control– Rear-mounted

electric motor– Used by both AEM

teams

• Multiplex Minimag– Traditional rudder

and elevators for pitch/roll control

– Front-mounted electric motor

– Used by AEM Team B

Page 4: Open-Source UAS

Overview of Generic RC Airframe

IMPROVE THIS PICTURE

Page 5: Open-Source UAS

Cable Work

• Creating custom cables– USB Programming cable: Direct USB connection to

autopilot– Cables utilizing FTDI cables (USB – Serial

converters)• Bootloader cable: Serial connection to autopilot• GPS Programming cable: Serial connection to GPS

– Power cabling

Page 6: Open-Source UAS

Sensor Modification

• Autopilot supplies 3.3V instead of 5V expected by IR sensors

• With a 3.3V source, the IR sensor gains are offset by ~1.5

• This presents saturation problems while in high IR contrast locations

• Replace resistors for unity gain

Page 7: Open-Source UAS

GPS Setup and Functionality

• U-blox software used for initial GPS setup• UAV software uses GPS for speed, location,

elevation• Real ground level needed for altitude

conversion from elevation

Page 8: Open-Source UAS

Ground Control Station/Modem

• GCS uses independent modem to interface with aircraft

• GCS controls aircarft through notebook PC

• Can be overridden by manual R/C control

Page 9: Open-Source UAS

Test Flights

• Pictures and details of the more important test flights we held and their results

Page 10: Open-Source UAS

Summary

• Both teams were successful in demonstrating autopilot functionality

• AEM Team A achieved limited functionality with their FunJet

• AEM Team B achieved full autopilot functionality with both of their airframes

Page 11: Open-Source UAS

Our Team

• Kevin Oberg• Dustin Douglas• Shuohan Wan

Page 12: Open-Source UAS

Acknowledgements

• Special thanks to:– Lockheed Martin Corp. engineers Reid Plumbo

and Todd Colton– AEM Professor Hammer– AEM project teams A & B