Trevor W. Williams
Professor of Aerospace Engineering & Engineering Mechanics
PhD, 1981: Imperial College, London
MSc (Distinction), 1978: City University, London
BA (Honours), 1976: Oxford University
Office: 735 Rhodes Hall
Mailing address: P.O. Box 210070, Cincinnati, OH 45221-0070
Phone: (513) 556-3221
Fax: (513) 556-5038
Email: Trevor dot Williams at uc dot edu
T & H, 2:00 - 3:30 p.m.
and by appointment
- 20 AEEM 403 001 FUND CONTROL THEORY, 05A
- 20 AEEM 515 001 SPACECRAFT DESIGN I, 05A
- 20 AEEM 461 INTEG SPACECR ENG, 06W
- 20 AEEM 517 001 SPACECRAFT DESIG II, 06W
- 20 AEEM 636 001 SPACECRAFT DYNAMIC, 06W
- 20 AEEM 111 001 INTRO TO SPACECRFT ENG, 06S
- 20 AEEM 461 INTEG SPACECR ENG, 06S
- 20 AEEM 513 001 ADV AEROSP DES, 06S
- Satellite formation flight
- Low thrust orbital transfers
- Orbital proximity operations
- Dynamics and Control of Flexible Structures
Journal articles
- Z.-S. Wang and T.W. Williams, "Control Algorithm Development for the Solar Wing", in press, Journal of the Astronautical Sciences, 2004.
- T.W. Williams and S. Tanygin, "Dynamics of a Near-Spherically Symmetric Spacecraft Driven by a Stuck-On Thruster", Journal of Spacecraft and Rockets, Sept.-Oct. 2003.
- T.W. Williams and S. Tanygin, "Design Technique for Stuck-On Thruster Æv Minimization for an Asymmetric Spacecraft",Journal of Guidance, Control, and Dynamics, Jan.-Feb. 2002.
- T.W. Williams and Z.-S. Wang, "Uses of Solar Radiation Pressure for Satellite Formation Flight", International Journal of Robust and Nonlinear Control, Jan. 2002.
- T.W. Williams, "Orbital Inspection Vehicle Trajectories Based on Line-of-Sight Maneuvers", Acta Astronautica, Vol. 50, pp. 49-53, Jan. 2002.
- C.S. Inniss and T.W. Williams, "Sensitivity of the Zeros of Flexible Structures to Sensor and Actuator Location", IEEE Transactions on Automatic Control, Vol. 45, pp. 157-160, Jan. 2000.
- T.W. Williams and X.Cheng, "Degrees of Controllability and Observability for Close Modes of Flexible Space Structures", IEEE Transactions on Automatic Control, Vol. 44, pp. 1791-1795, Sep. 1999.
- T.W. Williams and S. Tanygin, "Propulsion System Sizing for Orbital Inspection Vehicles", Journal of Guidance, Control, and Dynamics, Vol. 22, pp. 375-378, Mar.-Apr. 1999.
- J. Xu and T.W. Williams, "Effects of Delays on the Closed-Loop Stability of Active Vibration Absorbers", Journal of the Taiwanese Socitey of Mechanical Engineers, Vol. 19, No.1, pp. 39-50, 1998.
- S. Tanygin and T.W. Williams, "Mass Property Estimation using Coasting Maneuvers", Journal of Guidance, Control, and Dynamics, Vol. 20, pp. 625-632, Jul. - Aug. 1997.
Conference papers
- T.W. Williams, D. Thompson and A. Syed, "Determination of Satellite Formation Geometry and Phasing from Range Data", Proc. AAS/AIAA Spaceflight Mechanics Meeting, Ponce, Puerto Rico, Feb. 2003.
- T.W. Williams and Z.-S. Wang, "Uses of Solar Radiation Pressure for Formation-Keeping in Highly Elliptical Orbits", Proc. AIAA/AAS Astrodynamics Specialist Conference, Monterey, California, Aug. 2002.
- T.W. Williams and K. Moore, "Dynamics of Tethered Satellite Formations", Proc. AAS/AIAA Spaceflight Mechanics Meeting, San Antonio, Texas, Jan. 2002.
- Z.-S. Wang and T.W. Williams, "A Study of the Steering Law of Satellite Formation Flight Using Solar Radiation Pressure", Proc. AAS/AIAA Spaceflight Mechanics Meeting, San Antonio, Texas, Jan. 2002.
- T.W. Williams and Z.-S. Wang, "Solar Radiation Pressure and Satellite Formation Flight: Analytical Results", Proc. AAS/AIAA Spaceflight Mechanics Meeting, Santa Barbara, California, Feb. 2001.
- T.W. Williams, "Potential Uses of Solar Radiation Pressure in Satellite Formation Flight", AAS/AIAA Spaceflight Mechanics Meeting, Clearwater, Florida, Jan. 2000.
- T.W. Williams and P.Q. Collins, "Orbital Considerations in Kankoh-Maru Return Flight Operations", Proc. AAS/JRS/CSA ISCOPS Symposium, Xi'an, China, Aug. 1999.
- T.W. Williams, "Propellant Quantity and Thrust Level Requirements for ISS Proximity Operation Vehicles", Proc. AIAA International Space Station Service Vehicles Conference, Houston, Texas, Apr. 1999.
- T.W. Williams, "Role of the Products of Inertia in Various Spacecraft Dynamics Problems", AAS Paper 99-118, Proc. AAS/AIAA Spaceflight Mechanics Meeting, Breckenridge, Colorado, Feb. 1999.
- T.W. Williams and S. Tanygin, "On-Orbit Engineering Test of the AERCam Sprint Robotic Camera Vehicle", AAS Paper 98-171, Proc. AAS/AIAA Spaceflight Mechanics Meeting, Monterey, California, Feb. 1998.
- Air Force Research Laboratory
- Surrey Satellite Technology Ltd.
- NASA Johnson Space Center
- Air Force Research Laboratory
- NASA Johnson Space Center
- NASA Langley Research Center
- Air Force Office of Scientific Research