topleft

BOOKS

Alfriend, K. T, Vadali, S. R., Gurfil, P., How, J. P. and Breger, L., Spacecraft Formation Flying: Dynamics, Control and Navigation, Elsevier, Oxford, UK, 2009.

EDITED VOLUMES

Belbruno, E., Folta, D., and Gurfil, P. (Eds.), Astrodynamics, Space Missions and Chaos, New York Academy of Sciences, May 2004.

Gurfil, P., (Ed.), Modern Astrodynamics, Elsevier Science, Oxford, UK, 2006.

SELECTED JOURNAL ARTICLES 

1.  Gurfil, P., Jodorkovsky, M., and Guelman, M., "Finite Time Stability Approach to Proportional Navigation Systems Analysis", AIAA Journal of Guidance, Control and Dynamics, Vol. 21 No. 6, Nov. 1998, pp. 853-861.

2.  Gurfil, P., Jodorkovsky, M., and Guelman, M., "Design of Non-Saturating Guidance Systems", AIAA Journal of Guidance, Control and Dynamics, Vol.23, No.4, July 2000, pp. 693-700.

3.  Gurfil, P., “Synthesis of Zero Miss Distance Guidance via Solution of an Optimal Tuning Problem”, Control Engineering Practice, Vol. 9, No. 10, Oct. 2001, pp. 1117-1130.

4.  Gurfil, P., Jodorkovsky, M., and Guelman, M., “Neoclassical Guidance for Homing Missiles”, AIAA Journal of Guidance, Control and Dynamics, Vol. 24, No. 3., May-June 2001, pp. 452-459.

5.  Gurfil, P., and Rotstein, H., "Partial Aircraft State Estimation from Visual Motion Using the Subspace Constraints Approach", AIAA Journal of Guidance, Control and Dynamics, Vol. 24, No. 5., Sep.-Oct. 2001, pp. 1016-1028.

6.  Gurfil, P., Kasdin, N. J., Arrell, R. J., Seager S., and Nissanke, S., “Infrared Space Observatories: How to Mitigate Zodiacal Dust Interference”, The Astrophysical Journal, Vol. 567, No.2, March 2002, pp. 1250-1261.

7.  Gurfil, P., and Kasdin, N. J., “Characterization and Design of Out-of-Ecliptic Trajectories Using Deterministic Crowding Genetic Algorithms”, Computer Methods in Applied Mechanics and Engineering, Vol. 191, Issue 19-20, pp. 2169-2186, March 2002.

8.  Gurfil, P., and Kasdin, N. J., “Optimal Out-of-Ecliptic Trajectories for Space-Borne Observatories”, The Journal of the Astronautical Sciences, Vol. 49, No. 4, Oct.-Dec. 2001.

9.  Polzin, K. A., Choueiri, E. Y., Gurfil, P. and Kasdin, N. J., “Plasma Propulsion for Three Terrestrial Planet Finder Architectures: Free-Flying, Monolithic and Tethered”, AIAA Journal of Spacecraft and Rockets, Vol. 39, No. 3, May-June 2002.

10. Gurfil, P. and Kasdin, N. J., “Niching Genetic Algorithms-Based Characterization of Geocentric Orbits in the 3D Elliptic Restricted Three-Body Problem”, Computer Methods in Applied Mechanics and Engineering, Vol. 191, Issue 49-50, Dec. 2002, pp. 5673-5696.

11. Gurfil, P., “Quantitative Lp Stability Analysis of a Class of Linear Time-Varying Feedback Systems”, International Journal of Applied Mathematics and Computer Science, Vol. 13, No. 2, April 2003, pp. 101-106.

12. Gurfil, P., “Robust Guidance for Electro-Optical Missiles”, IEEE Transactions on Aerospace and Electronic Systems, Vol. 39, No. 2, April 2003, pp. 450-461.

13. Gurfil, P., Idan, M., and Kasdin, N. J., “Adaptive Neural Control of Deep-Space Formation Flying”, AIAA Journal of Guidance, Control and Dynamics, Vol. 26, No.3, May-June 2003, pp. 491-501. 

14. Gurfil, P., “Zero Miss Distance Guidance Based on Line-of-Sight Rate Measurement Only”, Control Engineering Practice, Vol. 11, No. 7, July 2003, pp. 819-832.

15. Gurfil, P., and Friedland, B., “New Simple Model of Dynamic Hysteresis”, Transactions of the Institute of Measurement and Control, Vol. 25, No. 3, 2003, pp. 202-217.

16. Gurfil, P., Jodorkovsky, M., "Unified Initial Condition Response Analysis of Lur’e Systems and Linear Time-Invariant Systems", International Journal of Systems Science, Vol. 34, No. 1, January 2003, pp. 49-62.

17. Gurfil, P. and Kasdin, N. J., “Stability and Control of Spacecraft Formation Flying in Trajectories of the Restricted Three-Body Problem”, Acta Astronautica, Vol. 54, No. 6, pp. 433-453.

18. Gurfil, P., “Accessibility, Stabilizability and Feedback Control of Continuous Orbital Transfer”, Annals of the New York Academy of Sciences, Vol. 1017, May 2004, p. 138.

19.  Kasdin, N. J., and Gurfil, P., “Hamiltonian Modelling of Relative Motion”, Annals of the New York Academy of Sciences, Vol. 1017, May 2004, p. 190.

20. Gurfil, P., and Kasdin, N. J., “Canonical Modelling of Coorbital Motion in Hill’s Problem using Epicyclic Orbital Elements”, Astronomy and Astrophysics, Vol. 409, No. 3, October 2003, pp. 1135-1140.

21. Gurfil, P., “Control-Theoretic Analysis of Low-Thrust Orbital Transfer using Orbital Elements”, AIAA Journal of Guidance, Control and Dynamics, Vol. 26, No. 6, Nov. 2003, pp. 979-982.

22. Gurfil, P., and Kasdin, N. J., “Nonlinear Modeling of Spacecraft Relative Motion in the Configuration Space”, AIAA Journal of Guidance, Control and Dynamics, Vol. 27, No. 1, January 2004, pp. 154-157.

23. Gurfil, P., and Kasdin, N. J., “Improving Guidance Performance by Two-Step In-Flight Compensation of Radome Aberration”, IEEE Transactions on Control Systems Technology, Vol. 12, No. 4, July 2004, pp. 532-541.

24. Gurfil, P., ``Analysis of  J2-Perturbed Motion using Mean Non-Osculating Orbital Elements", Celestial Mechanics and Dynamical Astronomy, Vol. 90, September 2004, pp. 289-306.

25. Kasdin, N. J., Gurfil, P., and Kolemen, E., ``Canonical Modeling of Relative Spacecraft Motion via Epicyclic Orbital Elements", Celestial Mechanics and Dynamical Astronomy,  Vol.92, Issue 4, 2005, pp. 337-370.

26. Gurfil, P., ``Nonlinear Missile Guidance using Control Lyapunov Functions", Proceedings of the Institution of Mechanical Engineers Part G: Journal of Aerospace Engineering, Volume 219, No.2, April 2005, pp.77-88.

27. Gurfil, P., ``Relative Motion between Elliptic Orbits: Generalized Boundedness Conditions and Optimal Formationkeeping", AIAA Journal of Guidance, Control and Dynamics, Vol. 28, No. 4, July 2005, pp. 761-767.

28. Gurfil, P., and Kasdin, N. J., ``Two-Step Optimal Estimator for Three-Dimensional Target Tracking", IEEE Transactions on Aerospace and Electronic Systems, Vol.41, No.3, July 2005, pp.780-793.

29. Gurfil, P., ``Euler Parameters as Natural Nonsingular Orbital Elements in Near-Equatorial Orbits", AIAA Journal of Guidance, Control and
Dynamics, Vol. 28, No. 5, September 2005, pp. 1079-1084.

30. Gurfil, P., Kasdin, N. J., and Kolemen, E., ``Hamilton-Jacobi Modelling of Stellar Dynamics", Advances in Space Research, Vol. 36, No. 6, 2005, pp. 1143-1150.

31. Gurfil, P., ``Canonical Formalism for Modelling and Control of Rigid Body
Dynamics",Annals of the New York Academy of Sciences,
Vol. 1065, December 2005, pp. 391-413.

32. Kolemen, E., Kasdin, J., and Gurfil, P., ``Hamilton-Jacobi Modelling of Relative Motion for Formation Flying", Annals of the New York Academy of Sciences, Vol. 1065, December 2005, pp. 93-111.

33. Gurfil, P., and Meltzer, D., ``Stationkeeping on Unstable Orbits: Generalization to the Elliptic Restricted Three-Body Problem", Journal of the Astronautical Sciences, Vol. 54, No. 1, January-March 2006.

34. Gurfil, P., and Kasdin, N. J., ``Evolutionary Search for Deep-Space Science Mission Orbits", AIAA Journal of Guidance, Control and Dynamics, Vol. 29, No. 2, March-April 2006.

35. Gurfil, P., and Klein, I., ``Mitigating the Integration Error in Numerical Simulations of Newtonian Systems",  International Journal for Numerical Methods in
Engineering, Vol. 68, No. 2, 2006, pp. 267-297.

36. Gurfil, P., and Kholshevnikov, K. V., ``Manifolds and Metrics in the Relative Spacecraft Motion Problem", AIAA Journal of Guidance, Control and Dynamics, Vol. 29, No. 4, July-August 2006, pp. 1004-1010.

37. Gurfil, P., and Klein, I., ``Nonsingular Modeling of Planetary Equinoctial Precession using Euler Parameters", Planetary and Space Science, Vol. 55, No. 1-2,
January 2007, pp. 223-236.

38. Gurfil, P., ``Generalized Solutions for Relative Spacecraft Orbits under Arbitrary Perturbations", Acta Astronautica, Vol. 60, No. 2 , January 2007, pp. 61-78.

39. Gurfil, P., ``Effect of Equinoctial Precession on Geosynchronous Earth
Satellites", AIAA Journal of Guidance, Control and Dynamics, Vol. 30, No. 1, January 2007, pp. 237-247.

40. Gurfil, P., and Mishne, D., ``Cyclic Spacecraft Formations: Relative Motion Control using Line-of-Sight Measurements Only",  AIAA Journal of Guidance, Control and
Dynamics, Vol. 30, No. 1, January 2007, pp. 214-226.

41. Gurfil, P., and Meltzer, D., ``Semi-Analytical Method for Calculating the Elliptic Restricted Three-Body Problem Monodromy Matrix",  AIAA Journal of Guidance,
Control and Dynamics, Vol. 30, No. 1, January 2007, pp. 266-271.

42. Gurfil, P., ``Geometric Nonlinear Control of Orbital Transfer in a Central Gravitational Field", Acta Astronautica, Vol. 60, No. 8-9, April 2007, pp. 631-648.

43. Gurfil, P., ``Gauge Theory for Finite-Dimensional Dynamical Systems",
Chaos, Vol. 17, No. 2, June 2007.

44. Gurfil, P., and Kivelevich, E., ``Flock Properties Effect on Task Assignment and Formation Flying  of Cooperating Unmanned Aerial Vehicles",  Proceedings of the IMECH E Part G: Journal of Aerospace Engineering, Vol. 221, June 2007.

45. Gurfil, P., Elipe, A., Efroimsky, M., and Tangren, W., ``The Serret-Andoyer Formalism in Rigid-Body Dynamics: I. Symmetries and Perturbations", Regular and Chaotic Dynamics, Vol. 12, No. 4, July 2007, pp.389-425.

46. Bloch, A.M., Gurfil, P., and Lum, K.-Y., ``The Serret-Andoyer Formalism in Rigid-Body Dynamics: II. Geometry, Stabilization and Control",Regular and Chaotic Dynamics, Vol. 12, No. 4, July 2007, pp. 426-447.

47. Ben-Asher, Y., Feldman, M., Feldman, S., and Gurfil, P., ``IFAS: Interactive Flexible Ad Hoc Simulator",  Simulation Modelling Practice and Theory, Vol.15, No. 7, August 2007, pp. 817-830.

48. Brucker, E., and Gurfil, P., ``Analysis of Gravity-Gradient-Perturbed Rotational Dynamics at the Collinear Lagrange Points",  Journal of the Astronautical Sciences, Vol. 55, No. 3, 2007.

49. Demeyer, J.R.C, and Gurfil, P., ``Transfer from Earth to Distant Retrograde Orbits using Manifold Theory",  AIAA Journal of Guidance, Control and Dynamics, Vol. 30, No. 5, September-October 2007, pp. 1261-1267.

50. Gurfil, P., and Klein I., ``Stabilizing the Explicit Euler Integration of Stiff and Undamped Linear Systems", AIAA Journal of Guidance, Control and Dynamics, Vol. 30, No. 6, November-December 2007.

51. Gurfil, P., Lainey, V., and Efroimsky, M., ``Long-Term Evolution of Orbits About A Precessing Oblate Planet: 3. A Semianalytical and a Purely Numerical Approaches", Celestial Mechanics and Dynamical Astronomy, Vol. 99, 2007, pp. 261-292.

52.  Ben-Asher, Y., Feldman, S., Gurfil, P., and Feldman, M., ``Distributed Decision and Control of Cooperative UAVs using Ad-Hoc Communication", IEEE Transactions on Control Systems Technology, Vol. 16, No. 3, 2008, pp. 511-517.

53.  Butnariu, D., Censor, Y., Gurfil, P., and Hadar, E., ``On The Behavior of Subgradient Projections Methods for Convex Feasibility Problems in Euclidean Spaces", SIAM Journal on Optimization, Vol. 19, No. 2, July 2008, pp. 786-807.

54. Gurfil, P., and Belyanin, S., ``The Gauge-Generalized Gylden-Meshcherskii Problem", Advances in Space Research, Vol. 42, No. 8, October 2008, pp. 1313-1317.

55.  Ben-Asher, Y., Feldman, S., Gurfil, P., and Feldman, M., ``Hierarchical Task Assignment and Communication Algorithms for Unmanned Aerial Vehicle Flocks", AIAA Journal of Aerospace Computing, Information, and Communication,
Vol. 5, No. 8, 2008, pp. 234-250.

56.  Beigelman, I., and Gurfil, P., ``Optimal Fuel-Balanced Formationkeeping for Perturbed Spacecraft Orbits", AIAA Journal of Guidance, Control and Dynamics, Vol. 31, No. 5, September-October 2008, pp. 1266-1283.

57. Beigelman, I., and Gurfil, P., ``Optimal Geostationary Satellite Collocation Using Relative Orbital Element Corrections", AIAA Journal of Spacecraft and Rockets, Vol. 46, No. 1, January - February 2009.

58. Rudel, M. P., and Gurfil, P., ``Precise Spacecraft Relative Positioning Using Single-Frequency Pseudorange Measurements", Journal of Navigation, Vol. 62, No. 1, January 2009, pp. 119-134.

59. Pisarevsky, D., and Gurfil, P., ``Optimizing Multiple-Flyby Orbits for Increasing the Resolution of Space Telescopes", AIAA Journal of Spacecraft and Rockets, Vol. 46, No. 2, March –- April 2009, pp. 373-380.

60. Segal, S., and Gurfil, P., ``Effect of Kinematic Rotation-Translation Coupling on Relative Spacecraft Translational Dynamics", AIAA Journal of Guidance, Control, and Dynamics, Vol. 32, No. 3, May--June 2009, pp. 1045--1050.

61. Ben-Asher, Y., Feldman, S., Feldman, M., and Gurfil, P., ``Scalability Issues in Ad-Hoc Networks: Metrical Routing Versus Table-Driven Routing", Wireless Personal Communications, Volume 52,  No. 3, February 2010, pp. 423-447.

62. Carmi, A., Gurfil, P., and Kanevsky, D., ``Methods for Sparse Signal Recovery Using Kalman Filtering with Embedded Pseudo-Measurement Norms and Quasi-Norms", IEEE Transactions on Signal Processing, Vol. 58, No. 4, April 2010, pp. 2405-2409.

63. Gurfil, P., Feldman, S., and Feldman, M., ``Coordination and Communication of Cooperative Parafoils for Humanitarian Aid", IEEE Transactions on Aerospace and Electronic Systems, Vol. 46, No. 4, October 2010.

64.  Belyanin, S., and Gurfil, P., ``Semianalytical Study of Geosynchronous Orbits about a Precessing Oblate Earth under Lunisolar Gravitation and Tesseral Resonance", Journal of the Astronautical Sciences, to appear.

65. Nir, G., and Gurfil, P., ``Optimal Out-of-ecliptic Orbits for Short-Term Space-Borne Infrared Telescope Missions", Journal of the Astronautical Sciences, to appear.

66. Indelman, V., Gurfil, P., Rivlin, E., and Rotstein, H., ``Navigation Aiding Based on Coupled Online Mosaicking and Camera Scanning", AIAA Journal of Guidance, Control, and Dynamics, to appear.

67. Mingotti, G., and Gurfil, P., ``Mixed Low-Thrust Invariant-Manifold Transfers to Distant Prograde Orbits around Mars", AIAA Journal of Guidance, Control, and Dynamics, accepted.


REFEREED CONFERENCE PAPERS

1.   Gurfil, P., Jodorkovsky, M., and Guelman, M., "On a Finite Time Stability Approach to Proportional Navigation Systems Analysis", Proceedings of the 37th Israel Annual Conference on Aerospace Sciences, Feb. 1997, pp.214-225.

2.   Gurfil, P., Shaviv, I. G., and Friedland, B., "On a Lipschitzian Dynamic Model of a Simple Hysteresis", Proceedings of the 36th IEEE Conference on Decision and Control, Dec. 1997, pp. 1168-1169.

3.   Gurfil, P., Jodorkovsky, M., and Guelman, M., "Design of Zero Miss Distance Proportional Navigation Guidance Systems", Proceedings of the 38th Israel Annual Conference on Aerospace Sciences, Feb. 1998, pp.115-125.

4.   Gurfil, P., Jodorkovsky, M., and Guelman, M., "Simple Guidance Law against Highly Maneuvering Targets", Proceedings of the 36th AIAA Conference on Guidance, Navigation and Control, Aug. 1998, pp. 570-580.

5.   Gurfil, P., Jodorkovsky, M., and Guelman, M., "Design of Non-Saturating Guidance Systems", Proceedings of the IEEE 7th Mediterranean Conference on Control and Automation, July 1999.

6.   Gurfil, P., and Kasdin, N. J., “Optimal Out-of-the-Ecliptic Trajectories for Space-Borne Observatories”, paper AAS 01-162, Proceedings of the 2001 Space Flight Mechanics Meeting.

7.   Polzin, K. A., Choueiri, E. Y., Gurfil, P. and Kasdin, N. J., “Plasma Propulsion Options for the Terrestrial Planet Finder Mission” Proceedings of the 2001 Joint Propulsion Conference, Salt Lake City, Utah, July 2001, AIAA Paper 2001-3645.

8.   Gurfil, P., “Robust Zero-Miss-Distance Guidance for Missiles with Parametric Uncertainties”, Proceedings of the 2001 American Control Conference.

9.   Gurfil, P. and Kasdin, N. J., “Dynamics and Control of Spacecraft Formation Flying in Three-Body Trajectories”, Proceedings of the 2001 AIAA Guidance, Navigation and Control Conference, Montreal, Canada, Aug. 2001, paper AIAA 2001-4277.

10. Gurfil, P., “Zero Miss Distance Guidance Based on Line-of-Sight Rate Measurement Only”, Proceedings of the 2001 AIAA Guidance, Navigation and Control Conference, Montreal, Canada, Aug. 2001, paper AIAA 2001-4026.

11. Gurfil, P., Seager, S., Arrell, J. R., and Kasdin, N. J., “Out-of-the-ecliptic Trajectories to Reduce Zodiacal Dust Interference for Terrestrial Planet Finder”, Proceeding of the 198th Meeting of the American Astronomical Society, Pasadena, CA, June 2001.

12. Gurfil, P., and Jodorkovsky, M., “Transient Response Analysis of Lur’e Systems using Linear Matrix Inequalities” Proceedings of the 2001 IEEE Conference on Decision and Control, Orlando, FL.

13. Gurfil, P., and Rotstein, H., “Computer Vision-based Estimation of Aircraft Dynamics” Proceedings of the 2001 IEEE Conference on Decision and Control, Orlando, FL.

14. Kutch, J. J., and Gurfil, P., “Optimal Control of HIV Infection with a Continuously Mutating Viral Population”, Proceedings of the 2002 American Control Conference, Anchorage, Alaska, USA, May 2002.

15. Gurfil, P., and Rotstein, H., “Aircraft State Estimation from Visual Motion: Application of the Subspace Constraints Approach”, Proceedings of the IEEE PLANS, Position Location and Navigation Symposium, Palm Springs, CA, April 2002., pp. 263-270.

16. Gurfil, P. and Idan, M., “Adaptive Neural Control of Deep-Space Formation Flying”, Proceedings of the 2002 American Control Conference, Anchorage, Alaska, USA, May 2002.

17.  Gurfil, P. and Kasdin, N. J., “Two-Step Optimal Estimator for Three Dimensional Target Tracking”, Proceedings of the 2002 American Control Conference, Anchorage, Alaska, USA, May 2002.

18.  Gurfil, P. and Idan, M., “Precision Deep-Space Formation Flying Using Neural Adaptive Control”, Proceedings of the 42nd Israel Aerospace Sciences Conference, Tel Aviv, Israel, February 2002.

19.  Gurfil, P., Idan, M., and Kasdin, N. J., “Neurocontrol of Spacecraft Formation Flying in the Elliptic Restricted Three-Body Problem”, Proceedings of the 2002 AIAA Guidance, Navigation and Control Conference, paper AIAA-2002-4962.

20.  Gurfil, P., Idan, M., and Kasdin, N. J., “Optimal Passive and Active Target Tracking using the Two-Step Estimator”, Proceedings of the 2002 AIAA Guidance, Navigation and Control Conference, paper AIAA-2002-5022.

21.  Bader, J. L., Gurfil, P., and Kasdin, N. J., “Optimal Low-Thrust Out-of-Ecliptic Trajectories”, Proceedings of the 2002 AIAA/AAS Astrodynamics Specialist  Conference, paper AIAA-2002-4896.

22. Gurfil, P., and Kasdin, N. J., “Practical Geocentric Orbits in the Sun-Earth Spatial Elliptic Restricted Three-Body Problem”, Proceedings of the 2002 AIAA/AAS Astrodynamics Specialist Conference, paper AIAA-2002-4539.

23. Gurfil, P. and Kasdin, N. J., “Practical Deep Space Geocentric and Out-of-Ecliptic Orbits in the Sun-Earth Elliptic Restricted Three-Body Problem”, Proceedings of the 2002 SPIE Astronomical Telescopes and Instrumentation Conference, Hawaii, Aug 2002, Vol. 4854, pp. 251-261.

24. Gurfil, P., and Kasdin, N. J., “Optimal Search For Geocentric Orbits in the Elliptic Restricted Three-Body Problem”, in Proceedings of the 53rd International Astronautical Federation Congress, Houston, TX, Oct. 2002.

25.  Gurfil, P. and Kasdin, N. J., “Optimization and Characterization of Orbits in the Three-Body Problem”, in Proceedings of the SIAM 50th Annual Meeting, Philadelphia, PA, July 2002.

26.  Gurfil, P., and Kasdin, N. J., “New Frontiers in Spacecraft Orbit Design”, Second Workshop on New Concepts for Far-IR/Submillimeter Space Astronomy, University of Maryland, March 2002.

27. Gurfil, P., and Kasdin, N. J., ``Nonlinear Modeling of Spacecraft Formation Dynamics using Orbital Elements", Proceedings of the 3rd International Workshop on Satellite Constellations and Formation, Pisa, Italy, Feb. 2003.

28. Gurfil, P., and Kasdin, N. J., ``Nonlinear Modeling and Control of Spacecraft Relative Motion in the Configuration Space", Proceedings of the AAS/AIAA Spaceflight Mechanics Meeting, Puerto-Rico, Feb. 2003, paper AAS 03-108.

29. Gurfil, P., and Kasdin, N. J., ``Nonlinear Low-Thrust Lyapunov-Based Control of Spacecraft Formations", Proceedings of the 2003 American Control Conference, Denver, CO, June 2003.

30. Give'on, A., Kasdin, N. J., Spergel, D. N., Littman, M. J., Vanderbei, R. J., and Gurfil, P. ``Feasible Optimal Deformable Mirror Shaping Algorithm for High-Dynamic-Range Imaging", Proceedings of the 2003 SPIE Annual Meeting: Astronomical Adaptive Optics Systems and Applications, San Diego, CA, August 2003, paper SPIE 5169-33.

31. Give'on, A., Kasdin, N. J., Spergel, D. N., Littman, M. J., Vanderbei, R. J., and Gurfil, P., ``Stochastic Optimal Phase Retrieval Algorithm for High-Dynamic-Range Imaging", Proceedings of the 2003 SPIE Annual Meeting: Astronomical Adaptive Optics Systems and Applications, San Diego, CA, August 2003, paper SPIE 5169-32.

32. Gurfil, P., and Kasdin, N. J., ``Improving Missile Guidance Performance by In-Flight Two-Step Nonlinear Estimation of Radome Aberration", Proceedings of the 2003 Guidance, Navigation and Control Conference, Austin, TX. August 2003, paper AIAA-2003-5723.

33. Give'on, A., Kasdin, N. J., Spergel, D. N., Littman, M. J., Vanderbei, R. J., and Gurfil, P., ``Optimal Stochastic Phase Retrieval and Mirror Shaping Algorithm for High-Dynamic-Range Imaging", Proceedings of the 2003 Guidance, Navigation and Control Conference, Austin, TX. August 2003, paper AIAA-2003-5432.

34.  Kasdin, N. J., and Gurfil, P., ``Canonical Treatment of Relative Spacecraft Motion via Epicyclic Elements", Proceedings of the 2003 Guidance, Navigation and Control Conference, Austin, TX. August 2003, paper AIAA-2003-5591.

35. Gurfil, P., and Kasdin, N. J., ``Canonical Modelling of Coorbital Motion in Hill's Problem using Epicyclic Orbital Elements", Proceedings of the 2004 AAS/AIAA Astrodynamics Specialists Conference, Providence, RI, USA, August 2004, paper AIAA-2004-4986.

36. Gurfil, P. ``Analysis of $J_2$-Perturbed Motion using Mean Non-Osculating Orbital Elements", Proceedings of the 2004 AAS/AIAA Astrodynamics Specialists Conference, Providence, RI, USA, August 2004, paper AIAA-2004-4853.

37. Gurfil, P., ``Averaged Gauge Theory with Applications to the Analysis of J2-Perturbed Dynamics", Proceedings of the 2004 Meeting of the AAS Division on Dynamical Astronomy, Cannes, France.

38. Kivelevitch, E., and Gurfil, P., ``Evaluating UAV Flock Mission Performance Using Dudek's Taxonomy", Proceedings of the 2005 American Control Conference, Portland, OR, June 2005.

39. Gurfil, P., ``Stabilization of Rigid Body Dynamics using the Serret-Andoyer Variables", Proceedings of the 2005 American Control Conference, Portland, OR, June 2005.

40. Gurfil, P., ``Optimal Formationkeeping for Formation Flying Spacecraft", Proceedings of the 45th Israeli Conference on Aerospace Sciences.

41. Gurfil, P., and Meltzer, D. ``Stationkeeping about the Collinear Equilibrium Points in the Restricted Three-Body Problem", Proceedings of the 45th Israeli Conference on Aerospace Sciences.

42. Kivelevich, E., and Gurfil, P., ``UAV Flock Taxonomy and Mission Execution Performance", Proceedings of the 45th Israeli Conference on Aerospace Sciences.

43. Kivelevich, E., and Gurfil, P., ``Taxonomy of Mission Performance for Diverse and Homogenous UAV Flocks", Proceedings of the 2005 AIAA Guidance, Navigation and Control Conference, San-Francisco, CA, August 2005.

44. Gurfil, P., and Kholshevnikov, K. V., ``Distances on the Relative Spacecraft Motion Manifold", Proceedings of the 2005 AIAA Guidance, Navigation and Control Conference, San-Francisco, CA, August 2005.

45. Gurfil, P. ``Optimal Single-Impulse Formationkeeping", Proceedings of the 2005 AIAA Guidance, Navigation and Control Conference, San-Francisco, CA, August 2005.

46. Gurfil, P., ``Canonical Approach to Stabilization of Rigid Body Dynamics", Proceedings of the 2005 IEEE Mediterranean Control Conference, Cyprus, June 2005.

47. Kolemen, E., Kasdin, N. J., and Gurfil, P., ``Hamilton-Jacobi Modelling of Relative Motion for Formation Flying", Proceedings of New Trends in Astrodynamics and Applications, Princeton, NJ, 2005.

48. Efroimsky, M., Lainey, V., and Gurfil, P. ``Long-Term Evolution of Orbits about a Precessing Oblate Planet: The Likely History of Phobos and Deimos", 37th Annual
Meeting of the AAS Division for Planetary Sciences, Cambridge, UK, 2005.

49. Meltzer, D., and Gurfil, P., ``Design of Libration-Point Reference Trajectories in the Elliptic Restricted Three-Body Problem", Proceedings of the 2006 Israeli Conference on Aerospace Sciences.

50. Kholshevnikov, K. V., and Gurfil, P., ``Mean and Extremal Distances Between Celestial Bodies (Unperturbed Case)", Proceedings of the Asteroid-Comet Hazard Conference, October 2005, St. Petersburg, Russia, pp. 324-326.

51. Gurfil, P., and Mishne, D., ``Cyclic Spacecraft Formations", Proceedings of the 2006 Israeli Conference on Aerospace Sciences.

52. Linn-Barnnet, D., and Gurfil, P., ``Low-Thrust Transfer between
Sun-Synchronous Orbits using Equinoctial Elements Feedback",
Proceedings of the 2006 Israeli Conference on Aerospace Sciences.

53. Gurfil, P., Zickel, R., and Levinson, S., ``Design of an
Advanced Space Systems Technology Lab at the Technion", Proceedings
of the 2006 Israeli Conference on Aerospace Sciences.

54. Gurfil, P., and Klein, I., ``How to Mitigate the Integration Error in Numerical Simulations of Newtonian
Systems", Proceedings of to the 2006 Israeli Conference on Aerospace
Sciences.

55. Gurfil, P., and Mishne, D., ``Spacecraft Formations: Cycles, Leaders and
Tadpoles", Proceedings of the 2006 AIAA Guidance, Navigation and
Control Conference, Keystone, CO.

56. Gurfil, P., and Klein, I., ``How to Choose State Variables for Numerical Simulations of
Aerospace Systems", Proceedings of the 2006 AIAA Modeling and
Simulation Technologies Conference, Keystone, CO.

57. Ben-Asher, Y., Feldman, S., and Gurfil, P., ``Hierarchical Decision and Control of Cooperative UAVs using Ad-Hoc Communication", Proceedings of the 2006 AIAA Guidance, Navigation and Control Conference, Keystone, CO.

58. Gurfil, P., and Meltzer, D., ``Stationkeeping on Libration Point Orbits in the Elliptic Restricted Three-Body Problem", Proceedings of the  2006 AAS/AIAA Astrodynamics Specialist Conference, Keystone, CO.

59. Gurfil, P., ``Rescriptive and Descriptive Gauge Symmetry in Finite-Dimensional
Dynamical Systems", Proceedings of the American Institute of Physics, Vol. 886, 2006, pp. 42-67, 2006.

60. Kolemen, E., Gurfil, P., and Kasdin, N. J., ``Quasi-periodic Orbits of the Restricted Three-Body Problem Made Easy", Proceedings of the American Institute of Physics, Vol. 886, 2006, pp. 68-77, 2006.

61. Demeyer, J. R. C., and Gurfil, P., ``Transfer to Small Distant Retrograde Orbits", Proceedings of the American Institute of Physics, Vol. 886, 2006, pp. 20-31, 2006.

62. Ben-Asher, Y., Feldman, S., and Gurfil, P., ``Metrical Routing using Ad-Hoc Networks in a Hierarchical Environment", Proceedings of the 4th IEEE International Conference on Information Technology: Research and Education, Tel-Aviv, October
2006.

63. Gurfil, P., and Klein, I., ``Stabilizing the Explicit Euler Integration of Stiff and Undamped Linear Systems", Proceedings of the 2007 AIAA Guidance, Navigation and Control Conference, Hilton Head, SC, USA.

64. Indelman, V., Gurfil, P., Rivlin, E., and Rotstein, H., ``Navigation Performance Enhancement Using Rotation and Translation Measurements from Online
Mosaicking", Proceedings of the 2007 AIAA Guidance, Navigation and
Control Conference, Hilton Head, SC, USA.

65. Brucker, E., and Gurfil, P., ``Attitude Dynamics and Passive Stabilization on the Collinear Lagrange Points", Proceedings of the 2007 AIAA Guidance, Navigation and Control Conference, Hilton Head, SC, USA.

66. Beigelman, I., and Gurfil, P., ``Graph-Theory-Based Fuel-Optimal Impulsive Formationkeeping", Proceedings of the 2007 AIAA Guidance, Navigation and Control Conference, Hilton Head, SC, USA. 

67. Rudel, M. P., and Gurfil, P., ``Spacecraft Relative Positioning using Single-Frequency Pseudorange Measurements: A GRACE Benchmark", Proceedings of the 2007 AIAA Guidance, Navigation and Control Conference, Hilton Head, SC, USA.

68. Butnariu, D., Censor, Y., Gurfil, P. and Hadar, E., ``On The Behavior of Two Projection Methods for Convex Feasibility Problems", Proceedings  of the 22nd European Conference on Operational Research, Prague, July 2007.

69. Gurfil, P., Indelman, V., Rivlin, E., and Rotstein, H., ``Navigation Aiding using On-line Mosaicking", Proceedings of IEEE/ION Position Location and Navigation Symposium, Monterey, CA, 2008.

70. Belyanin, S., and Gurfil, P., ``Effect of Earth's Precession on Geosynchronous Satellites under Lunisolar Perturbations and Tesseral Resonance", Proceedings of the 18th AAS/AIAA Spaceflight Mechanics Meeting, Galveston, TX, January 2008, Paper AAS 08-232.

71. Beigelman, I., and Gurfil, P., ``Optimal Geostationary Satellite Collocation", Proceedings of the 18th AAS/AIAA Spaceflight Mechanics Meeting, Galveston, TX, January 2008, Paper AAS 08-141.

72. Gurfil, P., ``Simple Satellite Orbit Propagator", Proceedings of the 18th AAS/AIAA Spaceflight Mechanics Meeting, Galveston, TX, January 2008, Paper AAS 08-167.

73. Gurfil, P., Feldman, S., and Feldman, M., ``Cooperative Parafoils for Humanitarian Aid: Communication and Coordination", Proceedings of the 48th Israel Annual Conference on Aerospace Sciences, Tel-Aviv, Israel, February 2008.

74. Indelman, V., Gurfil, P., Rotstein, H. and Rivlin, E., ``Navigation Aiding Using Image-Based Relative Motion Measurements", 49th Israel Annual Conference on Aerospace Sciences, Tel-Aviv, Israel, February 2009, accepted.

75. Nir, G., and Gurfil, P., ``Design of Out-Of-Ecliptic Orbits for Space-Borne Telescopes", 49th Israel Annual Conference on Aerospace Sciences, Tel-Aviv, Israel, February 2009, accepted.