HR job title
- Professor
- Contact Info
- 1 979 845 7541
Alfriend, Terry University Distinguished Professor
Positions
- Professor, Aerospace Engineering, College of Engineering
- Overview
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- Teaching
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Overview
Publications
selected publications
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academic article
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Mahajan, B., & Alfriend, K. T.
(2019).
Analytic orbit theory with any arbitrary spherical harmonic as the dominant perturbation. Celestial Mechanics and Dynamical Astronomy.
131(10), 45.
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Mahajan, B., Vadali, S. R., & Alfriend, K. T.
(2019).
State-Transition Matrix for Satellite Relative Motion in the Presence of Gravitational Perturbations. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
42(7), 1-17.
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Mahajan, B., Vadali, S. R., & Alfriend, K. T.
(2018).
Exact Delaunay normalization of the perturbed Keplerian Hamiltonian with tesseral harmonics. Celestial Mechanics and Dynamical Astronomy.
130(3), 25.
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Zeng, X., & Alfriend, K. T.
(2017).
Periodic orbits in the Chermnykh problem. Astrodynamics.
1(1), 41-55.
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Lidbury, J. A.
(2016).
Preface. Veterinary Clinics of North America Small Animal Practice.
47(3), xi-xii.
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Zeng, X., Gong, S., Li, J., & Alfriend, K. T.
(2016).
Solar Sail Body-Fixed Hovering over Elongated Asteroids. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
39(6), 1223-1231.
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Weisman, R., Majji, M., & Alfriend, K. T.
(2016).
Solution of Liouville's Equation for Uncertainty Characterization of the Main Problem in Satellite Theory. CMES - Computer Modeling in Engineering and Sciences.
111(3), 269-304.
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Fujimoto, K., & Alfriend, K. T.
(2015).
Optical Short-Arc Association Hypothesis Gating via Angle-Rate Information. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
38(9), 1602-1613.
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SchumacherJr., P. W., Sabol, C., Higginson, C. C., & Alfriend, K. T.
(2015).
Uncertain Lambert Problem. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
38(9), 1573-1584.
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Holzinger, M. J., Alfriend, K. T., Wetterer, C. J., Luu, K. K., Sabol, C., & Hamada, K.
(2014).
Photometric Attitude Estimation for Agile Space Objects with Shape Uncertainty. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
37(3), 921-932.
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Zeng, X., Alfriend, K. T., & Vadali, S. R.
(2014).
Solar Sail Planar Multireversal Periodic Orbits. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
37(2), 674-681.
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Weisman, R. M., Majji, M., & Alfriend, K. T.
(2014).
Analytic characterization of measurement uncertainty and initial orbit determination on orbital element representations. Celestial Mechanics and Dynamical Astronomy.
118(2), 165-195.
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Weisman, R. M., Majji, M., & Alfriend, K. T.
(2014).
Application of the transformation of variables technique for uncertainty mapping in nonlinear filtering. Celestial Mechanics and Dynamical Astronomy.
118(2), 129-164.
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T. Roscoe, C. W., Vadali, S. R., & Alfriend, K. T.
(2013).
Third-Body Perturbation Effects on Satellite Formations. J Astronaut Sci.
60(3-4), 408-433.
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Zeng, X., Alfriend, K. T., & Vadali, S. R.
(2013).
Three-dimensional time Optimal Multi-reversal Orbit by Using Solar Sailing. J Astronaut Sci.
60(3-4), 378-395.
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Khutorovsky, Z. N., Samotokhin, A. S., & Alfriend, K. T.
(2013).
Guaranteed Approach for Orbit Determination with Limited Error Measurements. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
36(4), 1186-1193.
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Sabol, C., Hill, K., Alfriend, K., & Sukut, T.
(2013).
Nonlinear effects in the correlation of tracks and covariance propagation. Acta Astronautica.
84, 69-80.
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Roscoe, C., Vadali, S. R., Alfriend, K. T., & Desai, U. P.
(2013).
Satellite formation design in orbits of high eccentricity with performance constraints specified over a region of interest: MMS phase II. Acta Astronautica.
82(1), 16-24.
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Zeng, X., Alfriend, K. T., Li, J., & Vadali, S. R.
(2012).
Optimal Solar Sail Trajectory Analysis for Interstellar Missions. J Astronaut Sci.
59(3), 502-516.
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Hill, K., Sabol, C., & Alfriend, K. T.
(2012).
Comparison of Covariance-Based Track Association Approaches Using Simulated Radar Data. J Astronaut Sci.
59(1-2), 287-306.
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Fujimoto, K., Scheeres, D. J., & Alfriend, K. T.
(2012).
Analytical Nonlinear Propagation of Uncertainty in the Two-Body Problem. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
35(2), 497-509.
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Sekhavat, P., Yan, H., Fleming, A., Ross, I. M., & Alfriend, K. T.
(2011).
Closed-Loop Time-Optimal Attitude Maneuvering of Magnetically Actuated Spacecraft. J Astronaut Sci.
58(1), 81-97.
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Sengupta, P., Vadali, S. R., & Alfriend, K. T.
(2010).
Satellite Orbit Design and Maintenance for Terrestrial Coverage. Journal of Spacecraft and Rockets.
47(1), 177-187.
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Yan, H., Alfriend, K. T., Vadali, S. R., & Sengupta, P.
(2009).
Optimal Design of Satellite Formation Relative Motion Orbits Using Least-Squares Methods. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
32(2), 599-604.
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Vadali, S. R., Sengupta, P., Yan, H., & Alfriend, K. T.
(2008).
Fundamental Frequencies of Satellite Relative Motion and Control of Formations. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
31(5), 1239-1248.
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Sengupta, P., Vadali, S. R., & Alfriend, K. T.
(2008).
Averaged Relative Motion and Applications to Formation Flight Near Perturbed Orbits. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
31(2), 258-272.
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Yurasov, V. S., Nazarenko, A. I., Alfriend, K. T., & Cefola, P. J.
(2008).
Reentry Time Prediction Using Atmospheric Density Corrections. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
31(2), 282-289.
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Yan, H., & Alfriend, K. T.
(2007).
Approximate Minimum Energy Control Laws for Low-Thrust Formation Reconfiguration. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
30(4), 1182-1186.
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Yan, H., Ross, I. M., & Alfriend, K. T.
(2007).
Pseudospectral Feedback Control for Three-Axis Magnetic Attitude Stabilization in Elliptic Orbits. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
30(4), 1107-1115.
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Sabol, C., Alfriend, K. T., & Wiese, D.
(2007).
Angles-Only Orbit Updates for Low-Earth-Orbit Satellites. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
30(2), 314-321.
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How, J. P., Breger, L. S., Mitchell, M., Alfriend, K. T., & Carpenter, R.
(2007).
Differential Semimajor Axis Estimation Performance Using Carrier-Phase Differential Global Positioning System Measurements. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
30(2), 301-313.
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Lee, D., & Alfriend, K. T.
(2007).
Sigma Point Filtering for Sequential Orbit Estimation and Prediction. Journal of Spacecraft and Rockets.
44(2), 388-398.
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Sengupta, P., Vadali, S. R., & Alfriend, K. T.
(2006).
Second-order state transition for relative motion near perturbed, elliptic orbits. Celestial Mechanics and Dynamical Astronomy.
97(2), 101-129.
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Alfriend, K. T., Coffey, S., & Elipe, A.
(2006).
André Deprit 1926–2006. J Astronaut Sci.
54(2), 125-127.
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Alfriend, K. T., Lee, D. J., & Creamer, N. G.
(2006).
Optimal servicing of geosynchronous satellites. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
29(1), 203-206.
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Gim, D., & Alfriend, K. T.
(2005).
Satellite Relative Motion Using Differential Equinoctial Elements. Celestial Mechanics and Dynamical Astronomy.
92(4), 295-336.
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Carpenter, J. R., & Alfriend, K. T.
(2005).
Navigation accuracy guidelines for orbital formation flying. J Astronaut Sci.
53(2), 207-219.
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Alfriend, K. T., & Yan, H.
(2005).
Evaluation and Comparison of Relative Motion Theories. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
28(2), 254-261.
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Vaddi, S. S., Alfriend, K. T., Vadali, S. R., & Sengupta, P.
(2005).
Formation Establishment and Reconfiguration Using Impulsive Control. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
28(2), 262-268.
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Gim, D., & Alfriend, K. T.
(2003).
State Transition Matrix of Relative Motion for the Perturbed Noncircular Reference Orbit. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
26(6), 956-971.
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Lee, D., No, T. S., Choi, S., Lee, S., Kim, H., & Alfriend, K. T.
(2003).
Precise Ephemeris Reconstruction Using the Clohessy-Wiltshire Frame and Multiple Sequential Compressions. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
26(5), 781-785.
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Vaddi, S. S., Vadali, S. R., & Alfriend, K. T.
(2003).
Formation Flying: Accommodating Nonlinearity and Eccentricity Perturbations. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
26(2), 214-223.
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Vadali, S. R., Vaddi, S. S., & Alfriend, K. T.
(2002).
An intelligent control concept for formation flying satellites. International Journal of Robust and Nonlinear Control.
12(2‐3), 97-115.
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Alfriend, K. T., Vadali, S. R., & Schaub, H.
(2001).
Formation Flying Satellites: Control By an Astrodynamicist. Celestial Mechanics and Dynamical Astronomy.
81(1-2), 57-62.
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Schaub, H., & Alfriend, K. T.
(2001).
Impulsive Feedback Control to Establish Specific Mean Orbit Elements of Spacecraft Formations. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
24(4), 739-745.
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Schaub, H., & Alfriend, K. T.
(2001).
J2 Invariant Relative Orbits for Spacecraft Formations. Celestial Mechanics and Dynamical Astronomy.
79(2), 77-95.
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Lee, D. J., & Alfriend, K. T.
(2000).
Effect of atmospheric density uncertainty on collision probability. ASTRODYNAMICS 1997.
105, 1255-1273.
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Vadali, S. R., Alfriend, K. T., & Vaddi, S.
(2000).
Hill's equations, mean orbital elements, and formation flying of satellites. ASTRODYNAMICS 1997.
106, 187-203.
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Schaub, H., & Alfriend, K. T.
(2000).
Impulsive spacecraft formation flying control to establish specific mean orbit elements. ASTRODYNAMICS 1991, PTS 1-3.
105 I, 207-220.
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Schaub, H., Vadali, S. R., Junkins, J. L., & Alfriend, K. T.
(2000).
Spacecraft formation flying control using mean orbit elements. ASTRODYNAMICS 1997.
103(PART 1), 163-181.
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Akella, M. R., & Alfriend, K. T.
(2000).
Probability of Collision Between Space Objects. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
23(5), 769-772.
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Schaub, H., Vadali, S. R., Junkins, J. L., & Alfriend, K. T.
(2000).
Spacecraft Formation Flying Control Using Mean Orbit Elements. J Astronaut Sci.
48(1), 69-87.
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Vadali, S. R., Jung, H., & Alfriend, K. T.
(1998).
Orbit determination of a tethered satellite system using laser and radar tracking. ASTRODYNAMICS 1997.
99(1), 35-47.
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Akella, M. R., Junkins, J. L., & Alfriend, K. T.
(1998).
Some consequences of force model uncertainty on probability of collision with orbital debris. ASTRODYNAMICS 1997.
97, 111-121.
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Beaulieu, M. R., Alfriend, K. T., & Jerardi, T.
(1998).
Launch Detection Satellite System Engineering Error Analysis. Journal of Spacecraft and Rockets.
35(4), 487-495.
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Akella, M. R., Junkins, J. L., & Alfriend, K. T.
(1998).
Some consequences of force model uncertainty on probability of collision with orbital debris. JOURNAL OF THE CHINESE SOCIETY OF MECHANICAL ENGINEERS.
19(1), 1-7.
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Alfriend, K. T.
(1997).
Editorial: Nonlinear Dynamical Systems. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
20(6), 1057-1057.
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Junkins, J. L., Akella, M. R., & Alfriend, K. T.
(1996).
Non-Gaussian error propagation in orbital mechanics. ASTRODYNAMICS 1991, PTS 1-3.
92, 283-298.
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Junkins, J. L., Akella, M. R., & Alfriend, K. T.
(1996).
Non-Gaussian error propagation in orbital mechanics. J Astronaut Sci.
44(4), 541-563.
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Chang, C. O., Liu, L. Z., & Alfriend, K. T.
(1996).
Dynamics and stability of a freely precessing spacecraft containing a nutation damper. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
19(2), 297-304.
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Alfriend, K. T., & Lewis, D. L.
(1996).
Estimation of the low earth orbit space object population using a non-vertical staring radar. J Astronaut Sci.
44(1), 99-113.
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Ross, I. M., & Alfriend, K. T.
(1995).
Low-Earth-orbit maintenance - Reboost vs thrust-drag cancellation. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
18(4), 930-932.
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Alfriend, K. T., & Lewis, D. L.
(1994).
Estimation of the low-Earth-orbit debris population and distribution. Journal of Spacecraft and Rockets.
31(1), 48-53.
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Longman, R. W., & Alfriend, K. T.
(1990).
Energy optimal degree of contollability and observability for regulator and maneuver problems. J Astronaut Sci.
38(1), 87-103.
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Coffey, S. L., & Alfriend, K. T.
(1984).
An analytic orbit prediction program generator. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
7(5), 575-581.
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Alfriend, K. T., & Coffey, S. L.
(1984).
Elimination of the perigee in the satellite problem. Celestial Mechanics and Dynamical Astronomy.
32(2), 163-172.
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Alfriend, K. T., & Spencer, T. M.
(1983).
COMPARISON OF FILLED AND PARTLY FILLED NUTATION DAMPERS. J Astronaut Sci.
31(2), 189-202.
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Alfriend, K. T., Dasenbrock, R. R., Kaufman, B., & Markley, F. L.
(1981).
CURRENT RESEARCH ACTIVITIES IN ASTRODYNAMICS AT THE NAVAL RESEARCH LABORATORY. AIAA Paper.
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Longman, R. W., & Alfriend, K. T.
(1981).
Actuator placement from degree of controllability criteria for regular slewing of flexible spacecraft. Acta Astronautica.
8(7), 703-718.
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Kaufman, B., Alfriend, K. T., & Dasenbrock, R. R.
(1978).
Luni-solar perturbations in the extended phase space representation of the Vinti problem. Acta Astronautica.
5(10), 727-744.
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Duiven, E. M., Connolly, P. E., & Alfriend, K. T.
(1978).
SATELLITE TRACKING USING GPS MEASUREMENTS. 1, 305-312.
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Alfriend, K. T.
(1977).
Comment on 'Analytical solution for planar librations of a gravity stabilized satellite'. Journal of Spacecraft and Rockets.
14(12), 767-768.
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Alfriend, K. T., Dasenbrock, R., Pickard, H., & Deprit, A.
(1977).
The extended phase space formulation of the Vinti problem. Celestial Mechanics and Dynamical Astronomy.
16(4), 441-458.
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Stickler, A. C., & Alfriend, K. T.
(1976).
Elementary Magnetic Attitude Control System. Journal of Spacecraft and Rockets.
13(5), 282-287.
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Alfriend, K. T., & Velez, C. E.
(1975).
The application of general perturbation theories to the artificial satellite problem. Acta Astronautica.
2(7-8), 577-591.
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ALFRIEND, K. T.
(1975).
Magnetic Attitude Control System for Dual-Spin Satellites. AIAA Journal.
13(6), 817-822.
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Alfriend, K. T.
(1975).
Method for evaluating gravity effects in the testing of nutation dampers. Journal of Spacecraft and Rockets.
12(6), 359-362.
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ALFRIEND, K. T.
(1974).
Partially Filled Viscous Ring Nutation Damper. Journal of Spacecraft and Rockets.
11(7), 456-462.
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ALFRIEND, K. T., & HUBERT, C. H.
(1974).
Stability of a Dual-Spin Satellite with Two Dampers. Journal of Spacecraft and Rockets.
11(7), 469-474.
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Alfriend, K. T., & Richardson, D. L.
(1973).
Third and fourth order resonances in Hamiltonian systems. Celestial Mechanics and Dynamical Astronomy.
7(4), 408-420.
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Alfriend, K. T.
(1972).
A nonlinear stability problem in the three dimensional restricted three body problem. Celestial Mechanics and Dynamical Astronomy.
5(4), 502-511.
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Alfriend, K. T.
(1971).
Stability and motion in two degree of freedom hamiltonian systems for three-to-one commensurability. International Journal of Non-Linear Mechanics.
6(5), 563-568.
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Alfriend, K. T.
(1971).
Stability of and motion aboutL4 at three-to-one commensurability. Celestial Mechanics and Dynamical Astronomy.
4(1), 60-77.
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Alfriend, K. T.
(1971).
Stability and motion in two degree-of-freedom hamiltonian systems for two-to-one commensurability. Celestial Mechanics and Dynamical Astronomy.
3(2), 247-265.
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Alfriend, K. T., & Kashiwagi, Y.
(1971).
Authors' reply to B. Paiewonsky and P. Woodrow. JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS.
7(4), 321-322.
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Alfriend, K. T.
(1970).
The stability of the triangular Lagrangian points for commensurability of order two. Celestial Mechanics and Dynamical Astronomy.
1(3-4), 351-359.
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Alfriend, K. T., & Kashiwagi, Y.
(1969).
Minimum-time orbital rendezvous between neighboring elliptic orbits. JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS.
4(4), 260-276.
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ALFRIEND, K. T., & RAND, R. H.
(1969).
Stability of the triangular points in the elliptic restricted problem of three bodies. AIAA Journal.
7(6), 1024-1028.
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Davis, R. T., & Alfriend, K. T.
(1967).
Solutions to Van der Pol's equation using a perturbation method. International Journal of Non-Linear Mechanics.
2(2), 153-162.
-
Mahajan, B., & Alfriend, K. T.
(2019).
Analytic orbit theory with any arbitrary spherical harmonic as the dominant perturbation. Celestial Mechanics and Dynamical Astronomy.
131(10), 45.
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book
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Alfriend, K. T., Vadali, S. R., Gurfil, P., How, J. P., & Breger, L. S.
(2009).
Spacecraft formation flying: Dynamics, control and navigation. Elsevier.
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Alfriend, K. T.
(2006).
Foreword. Ed. 1.
Elsevier.
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Alfriend, K. T., Vadali, S. R., Gurfil, P., How, J. P., & Breger, L. S.
(2009).
Spacecraft formation flying: Dynamics, control and navigation. Elsevier.
-
chapter
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Vadali, S. R., & Alfriend, K. T.
(2012).
Formation Establishment, Maintenance, and Control. Distributed Space Missions for Earth System Monitoring.
(pp. 163-184).
Springer New York.
-
Vadali, S. R., & Alfriend, K. T.
(2012).
Formation Establishment, Maintenance, and Control. Distributed Space Missions for Earth System Monitoring.
(pp. 163-184).
Springer New York.
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conference paper
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Eapen, R. T., Majji, M., & Alfriend, K. T.
(2019).
EQUILIBRIA ASSOCIATED WITH THE ATTITUDE DYNAMICS OF A RIGID BODY IN KEPLERIAN MOTION. ASTRODYNAMICS 1997.
2679-2695.
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Chu, X., Alfriend, K. T., Zhang, J., & Zhang, Y.
(2019).
Q-LEARNING ALGORITHM FOR PATH-PLANNING TO MANEUVER THROUGH A SATELLITE CLUSTER. ASTRODYNAMICS 1997.
2063-2082.
-
Chu, X., Alfriend, K. T., Zhang, J., & Zhang, Y.
(2019).
TRAJECTORY OPTIMIZATION FOR RENDEZVOUS WITH BEARING-ONLY TRACKING. ASTRODYNAMICS 1997.
727-746.
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Park, I., & Alfriend, K. T.
(2017).
DEVELOPMENT OF AN ANALYTIC EXPRESSION FOR ESTIMATING THE TIME WHEN THE UNCERTAINTY BECOMES NON-GAUSSIAN. ASTRODYNAMICS 1997.
2553-2568.
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Mahajan, B., Vadali, S. R., & Alfriend, K. T.
(2017).
ANALYTIC SOLUTION OF PERTURBED RELATIVE MOTION WITH ZONAL AND TESSERAL HARMONICS. ASTRODYNAMICS 1997.
1117-1134.
-
Mahajan, B., Vadali, S. R., & Alfriend, K. T.
(2017).
EXACT NORMALIZATION OF THE TESSERAL HARMONICS. ASTRODYNAMICS 1997.
2569-2588.
-
Zeng, X., Vadali, S. R., Alfriend, K. T., Hu, Q., & Baoyin, H.
(2016).
Local Manifolds and Periodic Orbits Around Equilibrium Points of the Rotating Mass Dipole
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Kaushik, A., Fujimoto, K., Alfriend, K. T., Hurtado, J. E., & Junkins, J. L.
(2016).
A COMPARISON BETWEEN GIBBS AND HERRICK-GIBBS ORBIT DETERMINATION METHODS. ASTRODYNAMICS 1997.
3221-3235.
-
Mahajan, B., Vadali, S. R., & Alfriend, K. T.
(2016).
ANALYTIC SOLUTION FOR SATELLITE RELATIVE MOTION WITH ZONAL GRAVITY PERTURBATIONS. ASTRODYNAMICS 1997.
3583-3598.
-
Mahajan, B., Vadali, S. R., & Alfriend, K. T.
(2016).
ANALYTIC SOLUTION FOR SATELLITE RELATIVE MOTION: THE COMPLETE ZONAL GRAVITATIONAL PROBLEM. ASTRODYNAMICS 1997.
3325-3348.
-
Fujimoto, K., Alfriend, K. T., & Vadali, S. R.
(2016).
BRIDGING DYNAMICAL MODELING EFFORT AND SENSOR ACCURACY IN RELATIVE SPACECRAFT NAVIGATION. ASTRODYNAMICS 1997.
3565-3582.
-
Johnson, K. W., Vadali, S. R., & Alfriend, K. T.
(2016).
COMPARISON OF ORBIT ELEMENT SETS FOR MODELING PERTURBED SATELLITE RELATIVE MOTION. ASTRODYNAMICS 1997.
3349-3362.
-
Zeng, X., Li, J., Baoyin, H., & Alfriend, K. T.
(2016).
EQUILIBRIUM POINTS OF ELONGATED CELESTIAL BODIES AS THE PERTURBED ROTATING MASS DIPOLE. ASTRODYNAMICS 1997.
539-551.
-
Yan, H., Vadali, S. R., & Alfriend, K. T.
(2015).
RELATIVE MOTION STATE TRANSITION MATRIX INCLUDING GRAVITATIONAL PERTURBATIONS. ASTRODYNAMICS 1997.
2077-2092.
-
Fujimoto, K., Alfriend, K. T., & Schildknecht, T.
(2014).
A boundary value problem approach to too-short arc optical track association. ASTRODYNAMICS 1991, PTS 1-3.
3-18.
-
Yan, H., Vadali, S. R., & Alfriend, K. T.
(2014).
A simplified formulation of the satellite perturbed relative motion problem
-
Khutorovsky, Z. N., Samotokhin, A. S., & Alfriend, K. T.
(2014).
GUARANTEED APPROACH FOR ORBIT DETERMINATION WITH LIMITED MEASUREMENTS. ASTRODYNAMICS 1997.
75-92.
-
Yan, H., Vadali, S. R., & Alfriend, K. T.
(2014).
STATE TRANSITION MATRIX FOR RELATIVE MOTION INCLUDING HIGHER-ORDER GRAVITY PERTURBATIONS. ASTRODYNAMICS 1997.
1317-1336.
-
Yan, H., Vadali, S. R., & Alfriend, K. T.
(2014).
State Transition Matrix for relative motion including J2 and third-body perturbations. ASTRODYNAMICS 1991, PTS 1-3.
2479-2496.
-
Weisman, R. M., Majji, M., & Alfriend, K. T.
(2013).
ANALYTIC CHARACTERIZATION OF MEASUREMENT UNCERTAINTY AND INITIAL ORBIT DETERMINATION ON ORBITAL ELEMENT UNCERTAINTY AND CORRELATION. ASTRODYNAMICS 1997.
37-56.
-
Roscoe, C., Vadali, S. R., & Alfriend, K. T.
(2013).
THIRD-BODY PERTURBATION EFFECTS ON SATELLITE FORMATIONS. ASTRODYNAMICS 1997.
483-502.
-
Zeng, X., Alfriend, K. T., & Vadali, S. R.
(2013).
THREE-DIMENSIONAL TIME OPTIMAL MULTI-REVERSAL ORBIT BY USING HIGH PERFORMANCE SOLAR SAILS. ASTRODYNAMICS 1997.
281-296.
-
Zeng, X., Alfriend, K. T., Vadali, S. R., Baoyin, H., & Gong, S.
(2013).
TIME-OPTIMAL TRAJECTORY DESIGN FOR A DUAL-SATELLITE SAILCRAFT INTERSTELLAR MISSION WITH PROBE RELEASE. ASTRODYNAMICS 1997.
337-355.
-
Weisman, R. M., Majji, M., & Alfriend, K. T.
(2012).
APPLICATION OF THE TRANSFORMATION OF VARIABLES TECHNIQUE FOR UNCERTAINTY MAPPING IN NONLINEAR FILTERING. ASTRODYNAMICS 1997.
3129-3148.
-
Holzinger, M. J., Scheeres, D. J., & Alfriend, K. T.
(2012).
DELTA-V DISTANCE OBJECT CORRELATION AND MANEUVER DETECTION WITH DYNAMICS PARAMETER UNCERTAINTY AND GENERALIZED CONSTRAINTS. ASTRODYNAMICS 1997.
143-+.
-
Zeng, X., Alfriend, K. T., Li, J., & Vadali, S. R.
(2012).
OPTIMAL SOLAR SAIL TRAJECTORY ANALYSIS FOR INTERSTELLAR MISSIONS. ASTRODYNAMICS 1997.
1951-+.
-
Majji, M., Weisman, R., & Alfriend, K. T.
(2012).
SOLUTION OF THE LIOUVILLE'S EQUATION FOR KEPLERIAN MOTION: APPLICATION TO UNCERTAINTY CALCULATIONS. ASTRODYNAMICS 1997.
2399-+.
-
Carpenter, J. R., Markley, F. L., Alfriend, K. T., Wright, C., & Arcido, J.
(2012).
Sequential probability ratio test for collision avoidance maneuver decisions based on a bank of norm-inequality-constrained epoch-state filters. ASTRODYNAMICS 1991, PTS 1-3.
1105-1124.
-
Holzinger, M. J., Scheeres, D. J., & Alfriend, K. T.
(2012).
Object Correlation, Maneuver Detection, and Characterization Using Control Distance Metrics. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
1312-1325.
-
Roscoe, C., Vadali, S. R., & Alfriend, K. T.
(2012).
Design of Satellite Formations in Orbits of High Eccentricity with Performance Constraints Specified over a Region of Interest. J Astronaut Sci.
145-164.
-
Weisman, R. M., Majji, M., & Alfriend, K. T.
(2011).
Analytic assessment of sensor uncertainty for application to space object tracking and correlation. 2323-2337.
-
Fujimoto, K., Scheeres, D. J., & Alfriend, K. T.
(2011).
ANALYTICAL NON-LINEAR PROPAGATION OF UNCERTAINTY IN THE TWO-BODY PROBLEM. ASTRODYNAMICS 1997.
1439-+.
-
Hill, K., Sabor, C., & Alfriend, K. T.
(2011).
COMPARISON OF COVARIANCE-BASED TRACK ASSOCIATION APPROACHES WITH SIMULATED RADAR DATA. ASTRODYNAMICS 1997.
281-+.
-
Roscoe, C., Vadali, S. R., Alfriend, K. T., & Desai, U. P.
(2011).
Optimal Formation Design for Magnetospheric Multiscale Mission Using Differential Orbital Elements. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
1070-1080.
-
Roscoe, C., Vadali, S. R., & Alfriend, K. T.
(2011).
DESIGN OF SATELLITE FORMATIONS IN ORBITS OF HIGH ECCENTRICITY WITH PERFORMANCE CONSTRAINTS SPECIFIED OVER A REGION OF INTEREST. ASTRODYNAMICS 1997.
145-162.
-
Sabol, C., Sukut, T., Hill, K., Alfriend, K. T., Wright, B., Li, Y., & Schumacher, P.
(2010).
LINEARIZED ORBIT COVARIANCE GENERATION AND PROPAGATION ANALYSIS VIA SIMPLE MONTE CARLO SIMULATIONS. ASTRODYNAMICS 1997.
509-+.
-
Hill, K., Sabol, C., & Alfriend, K. T.
(2010).
Nonlinear effects in the correlation of tracks and covariance propagation. 1938-1949.
-
Roscoe, C., Vadali, S., Alfriend, K., & Desai, U.
(2010).
Optimal Formation Design for the Magnetospheric Multiscale Mission Using Differential Orbital Elements
-
Kamensky, S., Tuchin, A., Stepanyants, V., & Alfriend, K. T.
(2009).
ALGORITHM OF AUTOMATIC DETECTION AND ANALYSIS OF NON-EVOLUTIONARY CHANGES IN ORBITAL MOTION OF GEOCENTRIC OBJECTS. ASTRODYNAMICS 1997.
3-+.
-
Khutorovsky, Z. N., Kamensky, S. Y., Sbytov, N. N., & Alfriend, K. T.
(2009).
COMPARISION OF DIFFERENT METHODS OF LEO SATELLITE ORBIT DETERMINATION FOR A SINGLE PASS THROUGH A RADAR. ASTRODYNAMICS 1997.
71-+.
-
Nazarenko, A. I., & Alfriend, K. T.
(2009).
DEVELOPMENT OF THE TECHNIQUE FOR COVARIANCE PREDICTION USING THE GRAVITY COLOR NOISE. ASTRODYNAMICS 1997.
1947-+.
-
Agapov, V., Stepanyants, V., Kamensky, S., Khutorovskiy, Z., & Alfriend, K. T.
(2009).
ORBIT DETERMINATION AND PROPAGATION OF OBJECTS WITH HIGH AMR FOR ORBITAL ARCHIVE MAINTENANCE. ASTRODYNAMICS 1997.
1991-+.
-
Lee, D. J., & Alfriend, K. T.
(2009).
Additive Divided Difference Filtering for Real- Time Spacecraft Attitude Estimation Using Modified Rodrigues Parameters. J Astronaut Sci.
93-111.
-
Maruskin, J. M., Scheeres, D. J., & Alfriend, K. T.
(2009).
Correlation of Optical Observations of Objects in Earth Orbit. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
194-209.
-
Lee, D. J., & Alfriend, K. T.
(2008).
Additive divided difference filtering for attitude estimation using modified Rodrigues parameters. ASTRODYNAMICS 1991, PTS 1-3.
401-421.
-
Hill, K., Alfriend, K. T., & Sabol, C.
(2008).
Covariance-based Uncorrelated Track association
-
Yan, H., & Alfriend, K. T.
(2008).
Initialization of real-time optimal control. ASTRODYNAMICS 1997.
267-+.
-
Vadali, S. R., Sengupta, P., Yan, H., & Alfriend, K. T.
(2008).
On the fundamental frequencies of satellite relative motion and control of formations. ASTRODYNAMICS 1997.
2747-2766.
-
Nazarenko, A. I., Yurasov, V. S., Alfriend, K. T., & Cefola, P. J.
(2008).
Optimal measurement filtering and motion prediction taking into account the atmospheric perturbations. ASTRODYNAMICS 1997.
1735-1754.
-
Boikov, V., Khutorovsky, Z. N., & Alfriend, K. T.
(2008).
Singular value decomposition and least squares orbit determination. ASTRODYNAMICS 1991, PTS 1-3.
1719-1734.
-
Yan, H., Vadali, S., & Alfriend, K.
(2008).
Formation Maintenance and Fuel Balancing for Satellites with Implusive Control
-
Wilkins, M. P., Sabol, C., Cefola, P. J., & Alfriend, K. T.
(2007).
Improving dynamic calibration of the atmosphere. ASTRODYNAMICS 1991, PTS 1-3.
1257-1272.
-
Yan, H., Alfriend, K. T., Vadali, S. R., & Prasenjit, S.
(2007).
Optimal design of satellite formation relative motion orbits using least squares methods. ASTRODYNAMICS 1997.
1467-+.
-
Alfriend, K. T., Sabol, C., & Tombasco, J.
(2007).
Orbit determination and prediction for low earth satellites using a single pass of observation data. ASTRODYNAMICS 1997.
361-+.
-
Wilkins, M. P., Sabol, C., Cefola, P. J., & Alfriend, K. T.
(2007).
Validation and application of corrections to the NRLMSISE-00 atmospheric density model. ASTRODYNAMICS 1991, PTS 1-3.
1285-1304.
-
Alfriend, K. T., & Wiese, D.
(2006).
Angles-only orbit updates for low earth satellites. ASTRODYNAMICS 1991, PTS 1-3.
575-593.
-
Yurasov, V. S., Nazarenko, A. I., Alfriend, K. T., & Cefola, P. J.
(2006).
Direct density correction method: Review of results. 4369-4381.
-
Yan, H., & Alfriend, K. T.
(2006).
Numerical searches and optimal control of J(2) invariant orbits. ASTRODYNAMICS 1997.
991-1009.
-
Breger, L., How, J. P., & Alfriend, K. T.
(2006).
Partial J
2 -invariance for spacecraft formations. 4085-4093.
-
Wilkins, M. P., Sabol, C. A., Cefola, P. J., & Alfriend, K. T.
(2006).
Practical challenges in implementing atmospheric density corrections to the NRLMSISE-00 model. ASTRODYNAMICS 1991, PTS 1-3.
1113-1130.
-
Cefola, P. J., & Alfriend, K. T.
(2006).
Sixth US/Russian space surveillance workshop. 1677-1693.
-
Yan, H., & Alfriend, K. T.
(2006).
Three-axis magnetic attitude control using pseudospectral control law in eccentric orbits. ASTRODYNAMICS 1991, PTS 1-3.
55-73.
-
Yurasov, V. S., Nazarenko, A. I., Cefola, P. J., & Alfriend, K. T.
(2006).
Application of the ARIMA model to analyze and forecast the time series of density corrections for NRLMSIS-00. ASTRODYNAMICS 1991, PTS 1-3.
73-116.
-
Storch, T. R., Wiesel, W. E., Sabol, C., Alfriend, K. T., & Kim Lau, K.
(2006).
Maneuver estimation model for relative orbit determination. ASTRODYNAMICS 1991, PTS 1-3.
2457-2472.
-
Yan, H., Lee, D., Ross, I. M., & Alfriend, K. T.
(2006).
Real-time outer and inner loop optimal control using DIDO. ASTRODYNAMICS 1997.
1593-+.
-
Lee, D., Park, K., & Alfriend, K. T.
(2006).
Sequential attitude estimation using particle filters. ASTRODYNAMICS 1997.
239-+.
-
Lee, D., & Alfriend, K. T.
(2006).
Sigma particle filtering for nonlinear dynamic systems. ASTRODYNAMICS 1997.
257-+.
-
Yan, H., Ross, I. M., & Alfriend, K. T.
(2006).
Three-axis magnetic attitude control using pseudospectral control law. ASTRODYNAMICS 1997.
2649-+.
-
Alfriend, K. T., Lee, D., & Creamer, N. G.
(2006).
Optimal Servicing of Geosynchronous Satellites. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
203-206.
-
Yurasov, V. S., Nazarenko, A. I., Cefola, P. J., & Alfriend, K. T.
(2005).
Density corrections for the NRLMSIS-00 atmosphere Model. ASTRODYNAMICS 1991, PTS 1-3.
1079-1108.
-
Yan, H., Fleming, A., Ross, I. M., & Alfriend, K. T.
(2005).
Real-time computation of time-optimal magnetic attitude control. ASTRODYNAMICS 1997.
2081-2096.
-
Gim, D. W., & Alfriend, K. T.
(2005).
Criteria for best configuration and sub-optimal reconfiguration for MMS mission. ASTRODYNAMICS 1997.
947-968.
-
Vadali, S. R., Bae, H. W., & Alfriend, K. T.
(2005).
Design and control of libration point satellite formations. ASTRODYNAMICS 1997.
897-912.
-
Yan, H., Sengupta, P., Vadali, S., & Alfriend, K. T.
(2005).
Development of a state transition matrix for relative motion using the unit sphere approach. ASTRODYNAMICS 1997.
935-946.
-
Sabol, C., Luu, K. K., & Alfriend, K. T.
(2005).
High accuracy orbit updates using angles-only data. ASTRODYNAMICS 1991, PTS 1-3.
1547-1557.
-
Yurasov, V. S., Nazarenko, A. I., Alfriend, K. T., & Cefola, P. J.
(2005).
Reentry time prediction using atmospheric density corrections. 22ND INTERNATIONAL LASER RADAR CONFERENCE (ILRC 2004), VOLS 1 AND 2.
325-330.
-
Yurasov, V. S., Nazarenko, A. I., Cefola, P. J., & Alfriend, K. T.
(2005).
Results and issues of atmospheric density correction. ASTRODYNAMICS 1991, PTS 1-3.
1253-1273.
-
Alfriend, K. T., Sabol, C., & Luu, K. K.
(2005).
Comparison of optical and radar tracking for catalog maintenance. ASTRODYNAMICS 1997.
1531-1546.
-
Lee, D. J., & Alfriend, K. T.
(2004).
Adaptive sigma point filtering for state and parameter estimation. 897-916.
-
Mitchell, M., Breger, L., How, J. P., & Alfriend, K. T.
(2004).
Effects of navigation filter properties on formation flying control. 1464-1476.
-
Yurasov, V. S., Nazarenko, A. I., Cefola, P. J., & Alfriend, K. T.
(2004).
Results and issues of atmospheric density correction. J Astronaut Sci.
281-300.
-
Sengupta, P., Vadali, S. R., & Alfriend, K. T.
(2004).
Modeling and Control of Satellite Formations in High Eccentricity Orbits. J Astronaut Sci.
149-168.
-
Sengupta, P., Vadali, S. R., & Alfriend, K. T.
(2003).
Modeling and control of satellite formations in high eccentricity orbits. ASTRODYNAMICS 1991, PTS 1-3.
324-348.
-
Sengupta, P., Vadali, S. R., & Alfriend, K. T.
(2003).
Modeling and control of satellite formations in high eccentricity orbits. ASTRODYNAMICS 1997.
325-349.
-
Carpenter, J. R., & Alfriend, K. T.
(2003).
Navigation accuracy guidelines for orbital formation flying
-
Lee, D. J., & Alfriend, K. T.
(2003).
Precise real-time orbit estimation using the Unscented Kalman Filter. ASTRODYNAMICS 1991, PTS 1-3.
1835-1854.
-
Lee, D. J., & Alfriend, K. T.
(2003).
Precise real-time orbit estimation using the unscented Kalman filter. ASTRODYNAMICS 1997.
1853-1872.
-
Alfriend, K. T., & Yan, H.
(2003).
An evaluation and comparison of relative motion theories. ASTRODYNAMICS 1997.
1049-1065.
-
Alfriend, K. T., & Lovell, T. A.
(2003).
Error analysis of satellite formations in near-circular low-earth orbits. ASTRODYNAMICS 1997.
2349-2371.
-
Alfriend, K. T., Vaddi, S. S., & Lovell, T. A.
(2003).
Formation maintenance for low earth near-circular orbits. ASTRODYNAMICS 1997.
2373-2384.
-
Lee, B. J., & Alfriend, K. T.
(2003).
Sigma Point Kalman filters for efficient orbit estimation. ASTRODYNAMICS 1997.
349-371.
-
Alfriend, K. T., & Paik, S.
(2002).
Comparison of the Russian and Us algorithms for catalog maintenance for geosynchronous satellites. ASTRODYNAMICS 1997.
1157-1176.
-
Vaddi, S. S., Vadali, S. R., & Alfriend, K. T.
(2002).
Formation flying: Accommodating non-linearity and eccentricity perturbations. ASTRODYNAMICS 1997.
985-1004.
-
Lee, D. J., No, T. S., Baek, J. B., Lee, S. R., Kim, H. J., & Alfriend, K. T.
(2002).
Precise onboard ephemeris propagation method using CW frame and multiple compressions. ASTRODYNAMICS 1997.
441-455.
-
Alfriend, K. T., Gim, D. W., & Vadali, S. R.
(2002).
The characterization of formation flying satellite relative motion orbits. ASTRODYNAMICS 1997.
577-583.
-
Alfriend, K. T., Yang, J. H., & Frisbee, J. H.
(2002).
The effect of the periodic covariance variations on the probability of collision. ASTRODYNAMICS 1997.
269-280.
-
Gim, D. W., & Alfriend, K. T.
(2002).
The state transition matrix for relative motion of formation flying satellites. ASTRODYNAMICS 1997.
1021-1041.
-
Naik, K., Vadali, S., & Alfriend, K.
(2002).
Modeling and Control of a PowerSail
-
Schaub, H., & Alfriend, K. T.
(2002).
Hybrid Cartesian and Orbit Element Feedback Law for Formation Flying Spacecraft. JOURNAL OF GUIDANCE CONTROL AND DYNAMICS.
387-393.
-
Wilkins, M. P., Subbarao, K., Alfriend, K. T., & Vadali, S. R.
(2002).
Modeling and simulation of a Sail
-
Alfriend, K. T., Yan, H., & Vadali, S. R.
(2002).
Nonlinear considerations in satellite formation flying
-
Vadali, S. R., Vaddi, S. S., & Alfriend, K. T.
(2001).
A new concept for controlling formation flying satellite constellations. ASTRODYNAMICS 1997.
1631-1647.
-
Subbarao, K., Vadali, S. R., Alfriend, K. T., & Junkins, J. L.
(2001).
A novel control design methodology for maintaining position and attitude of a power-sail. ASTRODYNAMICS 1997.
1773-1789.
-
Alfriend, K. T., Vadali, S. R., & Wilkins, M. P.
(2001).
Dynamics and control of power sail. ASTRODYNAMICS 1997.
1791-1810.
-
Gim, D. W., & Alfriend, K. T.
(2001).
The state transition matrix of relative motion for the perturbed non-circular reference orbit. ASTRODYNAMICS 1997.
913-934.
-
Naik, K., Vadali, S., Vaddi, S., & Alfriend, K.
(2001).
Control of satellite formations
-
Wilkins, M. P., & Alfriend, K. T.
(2000).
Characterizing orbit uncertainty due to atmospheric uncertainty. 19-29.
-
Alfriend, K. T., & Paik, S.
(2000).
Covariance as an estimator of orbit prediction error growth for geosynchronous orbits. ASTRODYNAMICS 1997.
1903-1912.
-
Alfriend, K. T., & Wilkins, M. P.
(2000).
Covariance as an estimator of orbit prediction error growth in the presence of unknown sensor biases. ASTRODYNAMICS 1997.
1913-1922.
-
Alfriend, K. T., & Schaub, H.
(2000).
Dynamics and control of spacecraft formations: Challenges and some solutions. ASTRODYNAMICS 1997.
205-223.
-
Alfriend, K. T., Schaub, H., & Gim, D. W.
(2000).
Gravitational perturbations, nonlinearity and circular orbit assumption effects on formation flying control strategies. ASTRODYNAMICS 1997.
139-158.
-
Schaub, H., & Alfriend, K. T.
(2000).
Hybrid Cartesian and orbit element feedback law for formation flying spacecraft. 184-191.
-
Alfriend, K. T., & Schaub, H.
(2000).
Dynamic and central of spacecraft formations: Challenges and some solutions. J Astronaut Sci.
249-267.
-
Alfriend, K. T., & Lim, J. I.
(2000).
Performance of a dynamic algorithm for processing uncorrelated tracks. ASTRODYNAMICS 1997.
979-989.
-
Vadali, S., Schaub, H., & Alfriend, K.
(1999).
Initial conditions and fuel-optimal control for formation flying of satellites. 1-11.
-
Alfriend, K. T.
(1998).
A dynamic algorithm for processing uncorrelated tracks. ASTRODYNAMICS 1997.
123-132.
-
Alfriend, K. T., Hoots, F. R., Glover, R. A., & France, R. G.
(1998).
Single track covariance for Space Surveillance Network sensors. ASTRODYNAMICS 1997.
267-278.
-
Alfriend, K. T., & Creswell, G. M.
(1993).
Flux on a satellite due to the space object population. ASTRODYNAMICS 1991, PTS 1-3.
1163-1184.
-
Alfriend, K. T., & Lewis, D. L.
(1992).
Estimation of the low earth orbit debris population and distribution. 176-186.
-
Alfriend, K. T., & Spencer, T. M.
(1982).
COMPARISON OF FILLED AND PARTLY FILLED NUTATION DAMPERS. ASTRODYNAMICS 1991, PTS 1-3.
449-463.
-
Longman, R. W., & Alfriend, K. T.
(1982).
ENERGY OPTIMAL DEGREE OF CONTROLLABILITY AND OBSERVABILITY FOR REGULATOR AND MANEUVER PROBLEMS. 633-638.
-
Coffey, S., & Alfriend, K. T.
(1982).
SHORT PERIOD ELIMINATION FOR THE TESSERAL HARMONICS. ASTRODYNAMICS 1991, PTS 1-3.
87-101.
-
Eapen, R. T., Majji, M., & Alfriend, K. T.
(2019).
EQUILIBRIA ASSOCIATED WITH THE ATTITUDE DYNAMICS OF A RIGID BODY IN KEPLERIAN MOTION. ASTRODYNAMICS 1997.
2679-2695.
Research
principal investigator on
awards and honors
- Aerospace Guidance, Navigation and Control Award, conferred by American Institute of Aeronautics and Astronautics - (Reston, Virginia, United States), 2016
- AIAA Honorary Fellow, conferred by American Institute of Aeronautics and Astronautics - (Reston, Virginia, United States), 2015
- AAAS Award for Science Diplomacy, conferred by American Association For The Advancement of Science - (Washington D.C., District of Columbia, United States), 2005
- Membership, conferred by National Academy of Engineering - (Washington D.C., District of Columbia, United States), 1999
- Dirk Brouwer Award, conferred by American Astronautical Society - (Springfield, Virginia, United States), 1989
- AIAA Fellow, conferred by American Institute of Aeronautics and Astronautics - (Reston, Virginia, United States), 1988
Teaching
teaching activities
- AERO423 Orbital Mechanics Instructor
- AERO491 Hnr-research Instructor
- AERO689 Sptp: Spc Situation Awareness Instructor
- AERO689 Sptp:space Domain Awareness Instructor
- AERO691 Research Instructor
Works By Students
chaired theses and dissertations
-
Johnson, Kirk Wayne (2016-12). Approaches for Modeling Satellite Relative Motion.
-
Lee, Deok-Jin (2004-05). Nonlinear bayesian filtering with applications to estimation and navigation.
-
Mahajan, Bharat (2018-05). Absolute and Relative Motion Satellite Theories for Zonal and Tesseral Gravitational Harmonics.
-
Roscoe, Christopher (2012-12). Satellite Formation Design in Orbits of High Eccentricity for Missions with Performance Criteria Specified over a Region of Interest.
-
Sengupta, Prasenjit (2003-12). Satellite relative motion propagation and control in the presence of J2 perturbations.
-
Sengupta, Prasenjit (2006-12). Dynamics and control of satellite relative motion in a central gravitational field.
-
Weisman, Ryan Michael 1984- (2012-12). Nonlinear Transformations and Filtering Theory for Space Operations.
-
Wilkins, Matthew Paul (2004-12). The Flower Constellations - theory, design process, and applications.
-
Yan, Hui (2006-08). Dynamics and real-time optimal control of satellite attitude and satellite formation systems.
Background
education and training
- Ph.D. in Engineering Mechanics, Virginia Tech - (Blacksburg, Virginia, United States) 1967
- M.S. in Engineering Mechanics, Stanford University - (Stanford, California, United States) 1964
- B.S. in Engineering Mechanics, Virginia Tech - (Blacksburg, Virginia, United States) 1962
Contact
first name
- Terry
has last name
- Alfriend
mailing address
-
Texas A&M University
Aerospace Engineering
3141 TAMU
College Station, TX 77843-3141
USA
Other
- alfriend@tamu.edu