2013: A Space (Grant) Odyssey · 2013-11-13 · Space Grant Fellowship Spring 2012 Attitude Control...
Transcript of 2013: A Space (Grant) Odyssey · 2013-11-13 · Space Grant Fellowship Spring 2012 Attitude Control...
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2013: A Space (Grant) Odyssey
Daniel Wukelic
University of Hawaii at Manoa
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CubeSat
Spring 2011…
…end
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HSFL Volunteer Internship
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Space Grant Fellowship Spring 2012
Attitude Control Test Bed
• Adjustable to balance test bed
• Must not interfere with range of motion
• Support up to a 100 kg satellite
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CanSat
• Deployed from rocket at 2200 ft
• Two stages of controlled descent with mid-air separation
• Record atmospheric conditions and transmit data to ground station
• Protect raw egg
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CanSat Competition Texas
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NASA Ames Aeronautics Academy
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Bike Tour: San Francisco
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Alcatraz
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NASA Dryden Research Center
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TRAC: Tiltrotor Analysis Crew
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TRAC Research
• Problem – Increased airport congestion creates additional costs and inefficiencies
• Solution – Tiltrotor aircraft utilize unused airspace around airports without interfering with runway operations
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TRAC Research
Approach
• Use NASA Design and Analysis of Rotorcraft (NDARC) software
• Explore the limits of tiltrotor sizing
• Model aircraft using 3D CAD software
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TRAC Research
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NASA Headquarters Presentation
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Senator Inouye
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NASA Langley Research Center
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NASA Award
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NASA Award
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Working at HSFL
Problems: • Moment of Inertia • Weight of platform • Difficult to interface
with
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• 1/8” Decks • Smaller Aluminum
Extrusions • Uniform hole pattern • Two layers
Test Bed Solution
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Battery Box for HSFL
Vents allow pressure to
equalize
Gaskets and lids contain
liquid in case of broken cells
Retainers support cells
and help route power cables
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Design/Build Process
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Tension Wheel
Clamp
Heating Element
Mechanism used to release antenna from stored position after
deployment from launch vehicle
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Examples of components that I
machined for use in a satellite scheduled to
launch next year
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Examples of enclosures that I
machined to contain flight
hardware on the satellite
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Cold Gas Propulsion System
Custom converging-diverging nozzles
Senior Design Project: • 1-axis maneuver test apparatus My Duties: • Design custom nozzles for thrust • Machine mounting plate, parts and
test bed adapters • Compute orbital maneuvers and fuel consumption
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Space Grant Fellowship Fall 2013
• More powerful microcontroller
• Feedback from IMU • Mathematical model • Maneuvers accurate
to within 1-degree