Space-Related Undergraduate Research Opportunities Chris Hall Randolph 224D, Chris Hall Randolph 224D, Presentation to AIAA Student Chapter September 12, 2002 Presentation to AIAA Student Chapter September 12, 2002

My Background 20 years in the USAF –technician, satellite systems engineer, and professor 5½ years at the Air Force Institute of Technology –Taught space systems engineering, nonlinear dynamics and control –27 M.S. students and 3 Ph.D. students in space-related research 5 years at Virginia Tech –Teaching space design and spacecraft dynamics and control –5 M.S. students and 1 Ph.D. graduated, now working at NASA, USAF, and Lockheed-Martin –Currently advising 10 graduate students as well as several undergrads –Research supported by NASA, NSF, and USAF 20 years in the USAF –technician, satellite systems engineer, and professor 5½ years at the Air Force Institute of Technology –Taught space systems engineering, nonlinear dynamics and control –27 M.S. students and 3 Ph.D. students in space-related research 5 years at Virginia Tech –Teaching space design and spacecraft dynamics and control –5 M.S. students and 1 Ph.D. graduated, now working at NASA, USAF, and Lockheed-Martin –Currently advising 10 graduate students as well as several undergrads –Research supported by NASA, NSF, and USAF

Space-Related Courses Astromechanics – required course on orbital motion –Satellite Tracking Lab in Randolph 311A will give students hands-on experience in tracking amateur satellites, and will be used as ground station for HokieSat Attitude Dynamics and Control – tech elective on satellite pointing motion –Space Systems Simulation Lab will give students hands-on experience in attitude dynamics and control Space Design – Senior Capstone Design Course –Students work in teams to design a space vehicle –HokieSat started as a senior design project –Sounding Rocket payload and CubeSat kit are current long- term projects Astromechanics – required course on orbital motion –Satellite Tracking Lab in Randolph 311A will give students hands-on experience in tracking amateur satellites, and will be used as ground station for HokieSat Attitude Dynamics and Control – tech elective on satellite pointing motion –Space Systems Simulation Lab will give students hands-on experience in attitude dynamics and control Space Design – Senior Capstone Design Course –Students work in teams to design a space vehicle –HokieSat started as a senior design project –Sounding Rocket payload and CubeSat kit are current long- term projects

Virginia Tech Ionospheric Scintillation Measurement Mission (VT-ISMM ) aka HokieSat X Utah State U of Washington / Cornell Virginia Tech VT-ISMM: AOE, Computer and Electrical Engineering, faculty, undergraduate and graduate students ION-F: Ionosphere Observation Nanosatellite Formation (VT, Utah State, and U. of Washington) University Nanosatellite Program (AFRL & DARPA, 10 universities) NASA/Goddard Distributed Space Systems Enterprise Cast of dozens! Graduate and undergraduate VT-ISMM: AOE, Computer and Electrical Engineering, faculty, undergraduate and graduate students ION-F: Ionosphere Observation Nanosatellite Formation (VT, Utah State, and U. of Washington) University Nanosatellite Program (AFRL & DARPA, 10 universities) NASA/Goddard Distributed Space Systems Enterprise Cast of dozens! Graduate and undergraduate

Spacecraft Simulators Distributed Spacecraft Attitude Control System Simulator (DSACSS) Two spherical air bearings with assorted subsystems Hardware integration, software development Jana Schwartz (g), Marcus Pressl (g), Eugene Skelton (g), Mike Shoemaker (u), Cengiz Akinli (u) Distributed Spacecraft Attitude Control System Simulator (DSACSS) Two spherical air bearings with assorted subsystems Hardware integration, software development Jana Schwartz (g), Marcus Pressl (g), Eugene Skelton (g), Mike Shoemaker (u), Cengiz Akinli (u)

Astrodynamics Toolbox Develop a suite of subroutines in Matlab and/or C++ Develop graphical user interfaces for typical AOE 4134 calculations Develop a suite of subroutines in Matlab and/or C++ Develop graphical user interfaces for typical AOE 4134 calculations % function [oe,epoch,yr,M,E,satname] = TLE2oe(fname); % fname is a filename string for a file containing % a two-line element set (TLE) % oe is a 1/6 matrix containing the orbital elements % [a e i Om om nu] % yr is the two-digit year % M is the mean anomaly at epoch % E is the eccentric anomaly at epoch % satname is the satellite name % % Calls Newton iteration function file EofMe.m function [oe,epoch,yr,M,E,satname] = TLE2oe(fname) % Open the file up and scan in the elements ……………………

Literature Review Help identify significant patents, technical reports, and other documents using library resources –Control moment gyros and momentum wheels –Spacecraft simulators –Plasma and solar sails –Optimal orbit transfers Help identify significant patents, technical reports, and other documents using library resources –Control moment gyros and momentum wheels –Spacecraft simulators –Plasma and solar sails –Optimal orbit transfers