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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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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)
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
Overview of Generic RC Airframe
IMPROVE THIS PICTURE
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
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
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
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
Test Flights
• Pictures and details of the more important test flights we held and their results
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
Our Team
• Kevin Oberg• Dustin Douglas• Shuohan Wan
Acknowledgements
• Special thanks to:– Lockheed Martin Corp. engineers Reid Plumbo
and Todd Colton– AEM Professor Hammer– AEM project teams A & B