Aerospace and Mechanical Engineering
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Yohannes Ketema
Contract Associate Professor

Publications

  • Y. Ketema, 2017, Asteroid Deflection Using a Spacecraft in Restricted Keplerian Motion, Acta Astronautica, Vol. 136, p. 64-79, (Journal Article) More Details
  • Y. Ketema, D. Gebre-Egziabher, M. Schwartz, R. Kirker, and C. Matthews, 2014, Use of Gait Kinematics in Sensor Based Gait Monitoring: A Feasibility Study, Journal of Applied Mechanics, Vol. 81, Issue 4, (Journal Article) More Details
  • Christopher J. Matthews, Yohannes Ketema, Demoz Gebre-Egziabher, 2010, Dead Reckoning and Personal Navigation Based on a Kinetic Model for Human GaitAEM Report 2010-1 More Details, Request PDF
  • Y. Ketema and Y.J. Zhao, 2010, Controllability and Reachability for Micro-Aerial-Vehicle Trajectory Planning in Winds, Journal of Guidance, Control, and Dynamics,, 33, 3, (Journal Article) More Details
  • Y. Ketema and Y.J. Zhao, 2010, Micro Air Vehicle Trajectory Planning in Winds, Journal of Aircraft, 47, 4, (Journal Article) More Details
  • C Matthews, Y Ketema, D Gebre-Egziabher and M Schwartz, 2010, In-Situ Step Size Estimation Using a Kinetic Model of Human Gait, Proceedings of the 23rd International Technical Meeting of The Satellite Division of the Institute of Navigation, pp 511 524, (Conf. Proceeding) More Details
  • Ketema Y., 2009, Optimal Satellite Transfers Using Relative Motion Dynamics, Journal of Guidance Control and Dynamics, 32, 5, 1508-1518, (Journal Article) More Details
  • Y. Ketema, and R.L Fosdick, 2009, Thermal Effects on the Vibration Damping Properties of Shape Memory Alloys, Journal of Intelligent Material Systems and Structures, 20, 13, 1587-1601, (Journal Article) More Details
  • Y. Ketema, 2009, Satellite Transfers Using Relative Motion Dynamics, Journal of Guidance, Control, and Dynamics, 32, 5, 1508-1518, (Journal Article) More Details
  • Y. Ketema and Y. Zhao, 2009, Reachable Sets and Controllability of Targets for Micro UAV Trajectory Planning in Winds, AIAA Guidance, Navigation, and Control Conference, (Conf. Proceeding) More Details
  • Y. Ketema and N. Pierre, 2007, The Effect of J2 Perturbation on the Relative Orbits of Satellite, National Conference for Undergraduate Research, (Conf. Proceeding) More Details
  • Ketema, Y., 2006, An Analytical Solution for Relative Motion with an Elliptic Reference Orbit, Journal of Astronautical Sciences, 53, 4, October-December, (Journal Article) More Details, Request PDF
  • Y. Ketema, 2005, Stability of Formations with Delays in Information Exchange, CDC, (Conf. Proceeding) More Details
  • Ketema, Y.; Balas, G., 2003, Agent-localized conditions for formation maintenance, Decision and Control, 2003. Proceedings. 42nd IEEE Conference on, 1012 - 1016 Vol.1, (Conf. Proceeding) More Details, Request PDF
  • Ketema, Y.; Balas, G, 2003, Formation stability with limited information exchange between vehicles, American Control Conference, 290 - 295 vol.1, (Conf. Proceeding) More Details, Request PDF
  • Y. Ketema, 2003, Approximate Model for a Viscoelastic Oscillator, Journal of Applied Mechanics, 70(5), 757-761, (Journal Article) More Details
  • Ketema, Y., 1998, Averaging and bifurcations in an oscillator with history dependent forces, Journal of Sound and Vibration, 209, 187-198, (Journal Article) More Details, Request PDF
  • Ketema, Y., R. L. Fosdick and J. H. Yu, 1998, Dynamics of a viscoelastic spherical shell with a non-convex strain energy function, Quarterly of Applied Mathematics, LVI(2), 221-244, (Journal Article) More Details, Request PDF
  • Y. Ketema, R.L. Fosdick, and J.H. Yu, 1998, A nonlinear oscillator with history dependent forces, International Journal of Nonlinear Mechanics, 33, 447-459, (Journal Article) More Details
  • Y. Ketema, and R.L Fosdick, 1998, A thermoviscoelastic dynamic vibration absorber, Journal of Applied Mechanics, 65(1), 17-24, (Journal Article) More Details
  • Y. Ketema, 1998, A viscoelastic dynamic vibration absorber with adaptable suppression band: a feasibility study, Journal of Sound and Vibration, 216(1), 133-145, (Journal Article) More Details
  • Y. Ketema, and R.L Fosdick, 1998, Shape memory alloys in vibration damping, Journal of Intelligent Material Systems and Structures, 9(10), 854-870, (Journal Article) More Details
  • Y. Ketema, R.L. Fosdick, and J.H. Yu, 1997, Vibration damping through the use of materials with memory, International Journal of Solids and Structures, 35, 403-420, (Journal Article) More Details
  • Ketema, Y., 1992, A physical interpretation of Melnikov's method, International Journal of Bifurcations and Chaos, 2, 1-9, (Journal Article) More Details, Request PDF
  • Ketema, Y., 1991, An oscillator with cubic and piecewise linear springs, International Journal of Bifurcations and Chaos, 1, 349-356, (Journal Article) More Details, Request PDF
  • Y. Ketema, 1988, The sound field from a point source above an infinite homogeneous boundary between two media in relative motionAEM Report 1988-1 More Details

Last Modified: 2008-09-19 at 14:57:20 -- this is in International Standard Date and Time Notation