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Journal

    * represents advised student author

    ** represents co-advised student author

  1. H. Panag*, R.M. Woollands, "Thruster Pointing Constrained Optimal Control for Satellite Servicing using Indirect Optimization", Journal of Spacecraft and Rockets, submitted March, 2024.
  2. A. Pascarella*, R. Bommena*, S. Eggl, R.M. Woollands, "Mission Design for Space Telescope Servicing at Sun-Earth L2", Acta Astronautica, submitted January, 2024.
  3. J.B. Bouvier**, H. Panag*, R.M. Woollands, M. Ornik, "Delayed resilient trajectory tracking after partial loss of control", Journal of Guidance Control and Dynamics, submitted April, 2023.
  4. D. Stanley*, R.M. Woollands, F. Rossi, A. Rahmani, C. Choi, "Enabling Space-Based Computed Cloud Tomography with a Mixed Integer Linear Programming Scheduler", Journal of Guidance Control and Dynamics, submitted April, 2023.
  5. B. Patrick*, A. Pascarella*, R.M. Woollands, "Hybrid Optimization of High-fidelity Low-thrust Transfers to the Lunar Gateway", Journal of Astronautical Sciences, August, 2023.
  6. A. Pascarella*, R.M. Woollands, Etienne Pellegrini, Marc Sanchez Net, Hua Xie, Joshua Vander Hook, "Low-thrust trajectory optimization for the solar system pony express", Acta Astronautica, February, 2023.
  7. A.M. Atallah**, A. Bani Younes, R.M. Woollands, J.L. Junkins, "Analytical Radial Adaptive Method for Spherical Harmonic Gravity Models", Journal of Astronautical Sciences, submitted, May 2021.
  8. R.M. Woollands, F. Rossi, T. Stegun Vaquero, M. Sanchez Net, S. Bae, V. Bickel, J. Vander Hook, "Maximizing Dust Devil Follow-up Observations on Mars using Cubesats and On-board Scheduling", Journal of Astronautical Sciences, submitted, February 2021.
  9. M. Sanchez Net, E. Pellegrini, W. Parker, J. Vander Hook, R.M. Woollands, "Cycler Orbits and Solar System Pony Express", Journal of Spacecraft and Rockets, December 2021.
  10. R.L. Anderson, S. Campagnola, D. Koh, T.P. McElrath, R.M. Woollands, Endgame Design for Europa Lander: Ganymede to Europa Approach", Journal of Astronautical Sciences, January 2021.
  11. S.K. Singh**, R.M. Woollands, E. Taheri, J.L. Junkins, “Feasibility of Quasi-Frozen, Near-Polar and Extremely Low-Altitude Lunar Orbits”, Acta Astronautica, 116, 450-468, January, 2020.
  12. T. Swenson, M. Lo, R.M. Woollands, “Invariant manifolds and the capture of Comet Shoemaker-Levy 9”, Monthly Notices of the Royal Astronomical Society, v490, Issue 2, pp 2436-2447, December 2019.
  13. A.M. Atallah, R.M. Woollands, T.A. Elgohary and J.L. Junkins, “Accuracy and Efficiency Comparison of Six Numerical Integrators for Propagating Perturbed Orbits in Astrodynamics”, Journal of Astronautical Sciences, May, 2019.
  14. R.M. Woollands, E. Taheri and J.L. Junkins, “Efficient Computation of Optimal Low Thrust Perturbed Orbit Transfers”, Journal of Astronautical Sciences, May, 2019.
  15. R.M. Woollands and J.L. Junkins, “Nonlinear Differential Equations Solvers via Adaptive Picard-Chebyshev Iteration: Applications in Astrodynamics”, Journal of Guidance, Control and Dynamics, December, 2018.
  16. R.M. Woollands, J. Read, K. Hernandez, A. Probe, B. and J.L. Junkins, “Unified Lambert Tool for Massively Parallelizable Applications in Space Situational Awareness”, Journal of the Astronomical Sciences, v65, Issue 1, pp 29-45, March, 2018.
  17. T. Swenson, R.M. Woollands, M. Lo and J.L. Junkins, “Application of Modified Chebyshev Picard Iteration to Differential Correction for Improved Robustness and Computation Time”, Journal of the Astronautical Sciences, v64, Issue 3, pp 267-284, September, 2017.
  18. R.M. Woollands, J. Read, A. Probe, and J.L. Junkins, “Multiple Revolution Solutions for the Perturbed Lambert Problem using the Method of Particular Solutions and Picard Iteration”, Journal of the Astronomical Sciences, v64, Issue 4, pp 361-378, December 2017.
  19. J.L. Junkins, A. Bani Younes, R.M. Woollands, and X. Bai, "Efficient and Adaptive Orthogonal Finite Element Representation of the Geopotential", Journal of the Astronomical Sciences, v64, Issue 2, pp 118-155, June 2017.
  20. B. Macomber, A. Probe, R.M. Woollands, J.L. Read, and J.L. Junkins, "Enhancements for Modified Chebyshev-Picard Iteration Efficiency for Perturbed Orbit Propagation", Computer Modeling in Engineering Sciences, v111, Issue 1, pp 29-64, 2016.
  21. R.M. Woollands, A. Bani Younes, and J.L. Junkins, "New Solutions for Lambert's Problem Utilizing Regularization and Picard Iteration", Journal of Guidance, Control and Dynamics, v38, Issue 9, pp 1548-1562, 2015.
  22. J.L. Junkins, A. Bani Younes, R.M. Woollands, and X. Bai, “Picard Iteration, Chebyshev Polynomials, and Chebyshev Picard Methods: Applications in Astrodynamics”, Journal of the Astronomical Sciences, v60, Issue 3-4, pp 623-653, December 2013.
  23. R.M. Woollands, K.R. Pollard, D.J. Ramm, D.J. Wright, and T. Böhm, “Spectroscopic orbital analysis of the delta Scuti binary, RS Cha - High resolution spectroscopy reveals a third component”, Monthly Notices of the Royal Astronomical Society, v432, pp 327-355, 2013.
  24. R.M. Woollands, P.L. Cottrell, A. Udalski, “Photometric Analysis of Magellanic Cloud R Coronae Borealis Stars in the Recovery Phase of their Declines”, Publications of the Royal Astronomical Society of Australia, v26, Issue 1, 2009.
  25. A.J. MacDonald, S.E. George, R.M. Woollands, “Can gravity waves significantly impact PSC occurrence in the Antarctic?”, Atmospheric Chemistry and Physics, v9, Issue 22, 2009.

Conference

    * represents advised student author

    ** represents co-advised student author

  1. D. Engel**, Z. Putnam, R. Woollands, S. Dutta, "Optimal Mars Entry Trajectories for Bank-Angle and Alpha-Beta Steering", IEEE Aerospace Conference, Big Sky, MT, March 2024.
  2. D. Engel**, Z. Putnam, R. Woollands, S. Dutta, "Flight Performance Comparison of Bank-Angle Steering and Alpha-Beta Steering for Mars Entry Systems", 46th AAS GNC Conference, Breckenridge, CO, February 2024.
  3. B. Cline**, A. Pascarella*, R. Woollands, J. Rovey, "Indirect Optimal Control Techniques for Multimode Propulsion Mission Design", 2024 AIAA SciTech Forum, Orlando, FL, January 2024.
  4. H. Panag*, R. Woollands, "Thruster Pointing Constrained Optimal Control for Satellite Servicing using Indirect Optimization", 2024 AIAA SciTech Forum, Orlando, FL, January 2024.
  5. A. Pascarella*, R. Woollands, "Adaptive Picard-Chebyshev Methods for Bang-Bang Control Dynamics", 2024 AIAA SciTech Forum, Orlando, FL, January 2024.
  6. B. Patrick*, A. Pascarella*, R. Woollands, "Hybrid Optimization of High-Fidelity Low-Thrust Transfers to the Lunar Gateway", 45th AAS GNC Conference, Breckenridge, CO, February 2023.

    Journal version: paper

  7. H. Panag*, R. Woollands, S. Bandyopadhyah, A. Rahmani, "Reducing Thruster Plume Contamination for Satellite Servicing using Convex Optimization", 45th AAS GNC Conference, Breckenridge, CO, February, 2023.
  8. A. Pascarella*, R. Woollands, "Low Thrust Trajectory Optimization for Transporting Gateway's Power and Propulsion Elements to a Near-Rectilinear Halo Orbit", 33rd AAS/AIAA Space Flight Mechanics Conference, Austin, TX, January, 2023.
  9. D. Stanley*, R. Woollands, A. Rahmani, F. Rossi, C. Choi, "Enabling Space-based Cloud Tomography with a Mixed Integer Linear Programming Scheduler", 33rd AAS/AIAA Space Flight Mechanics Conference, Austin, TX, January, 2023.
  10. J. Fofrich*, A. Pascarella*, R. Woollands, A. Rahmani, F. Rossi, C. Choi, "Optimal Low-Thrust Trajectory from NRHO to LLO using High-Fidelity Dynamics", 33rd AAS/AIAA Space Flight Mechanics Conference, Austin, TX, January, 2023.
  11. J.B. Bouvier**, H. Panag*, R.M. Woollands, M. Ornik, "Resilience of orbital inspections to partial loss of control authority of the chaser satellite", AAS/AIAA Astrodynamics Specialist Conference, Charlotte, North Carolina, August, 2022.
  12. A. Pascarella, R.M. Woollands, E. Pellegrini, M. Sanchez-Net, J. Vander Hook, "Low Thrust Trajectory Optimization for the Solar System Pony Express", 44th AAS Guidance, Navigation and Control Conference, February, 2022.

    Journal version: paper

  13. V. Arya, R.M. Woollands, J.L. Junkins, "Indirect Based Shadow Modelling with Warm-up Time for Perturbed Orbit Transfers", 44th AAS Guidance, Navigation and Control Conference, February, 2022.
  14. A. Pascarella, R.M. Woollands, S. Eggl, "Solar Electric Propulsion Mission Design for Space Telescope Refueling and Servicing", AAS Astrodynamics Specialist Virtual Conference, August, 2021.
  15. R.M. Woollands, F. Rossi, T. Stegun Vaquero, M. Sanchez Net, S. Bae, V. Bickel, J. Vander Hook, "Maximizing Dust Devil Follow-up Observations on Mars using Cubesats and On-board Scheduling", 31st AAS/AIAA Space Flight Mechanics Conference, February, 2021. Journal version: paper
  16. A. Juarez, A. Bani Younes, A. Atallah, R.M. Woollands, "Optimal Attitude Maneuvers using Model Predictive Control and Chebyshev-Picard Methods", AAS/AIAA Astrodynamics Specialist Conference, August 2020.
  17. R.M. Woollands, S. Eggl, “Optimal Low Thrust Transfers for Space Telescope Refueling at SEL2”, 43rd Annual AAS Guidance & Control Conference, Breckenridge, Colorado, February 2020.
  18. S. Singh, E. Taheri, R.M. Woollands, J.L. Junkins, “Mission Design for Close-Range Lunar Mapping by Quasi-Frozen Orbits”, 70th International Astronautical Congress, Washington DC, October 2019.
  19. V. Arya, E. Taheri, R.M. Woollands, J.L. Junkins, “Gravity-Assist Fuel-Optimal Low-Thrust Trajectory Design using Hybrid Optimization Techniques”, 70th International Astronautical Congress, Washington DC, October 2019.
  20. R.M. Woollands, E. Taheri, “Optimal Low Thrust Perturbed Orbit Transfers with Shadow Constraints” , AAS/AIAA Astrodynamics Specialist Conference, Portland, Maine, August 2019.
  21. R.L. Anderson, S. Campagnola, D. Koh, T.P. McElrath, R.M. Woollands, “Endgame Design for Europa Lander: Ganymede to Europa Approach”, AAS/AIAA Astrodynamics Specialist Conference, Portland, Maine, August 2019.

    Journal version: paper

  22. R.M. Woollands, E. Taheri, J.L. Junkins, “Efficient Computation of Optimal Low Thrust Perturbed Orbit Transfers”, 29th AAS/AIAA Space Flight Mechanics Conference, Maui, Hawaii, January 2019.
  23. S. Kumar Singh, R.M. Woollands, E. Taheri, John Junkins, “Feasibility Study of Quasi-Frozen, Near-polar and Extremely Low-altitude Lunar Orbits” , 29th AAS/AIAA Space Flight Mechanics Conference, Maui, Hawaii, January 2019.
  24. A. Atallah, A. Bani Younes, R.M. Woollands, J.L. Junkins, “Analytical Radial Adaptive Method for Spherical Harmonics Gravity Models” , 29th AAS/AIAA Space Flight Mechanics Conference, Maui, Hawaii, January 2019.
  25. P. Menon, S. Wagner, D. Jefferson, E. Graat, K. Lee, W. Schulze, R.M. Woollands, K. Criddle, “Mars Reconnaissance Orbiter Navigation Strategy for Support of Insight Lander's Entry, Descent and Landing Sequence”, 29th AAS/AIAA Space Flight Mechanics Conference, Maui, Hawaii, January 2019.
  26. A. Atallah, R.M. Woollands, J.L. Junkins, “Tuning Orthogonal Polynomial Degree and Segment Interval Length to Achieve Prescribed Approximation of Irregular Functions” , 28th AAS/AIAA Space Flight Mechanics Conference, Kissimmee, Florida, January 2018.
  27. J.L. Junkins and R.M. Woollands, “Nonlinear Differential Equation Solvers via Adaptive Picard-Chebyshev Iteration: Applications in Astrodynamics”, AAS/AIAA Astrodynamics Specialist Conference, Stevenson, Washington, August 2017.

    Journal version: paper

  28. R.M. Woollands, J.L. Read and J.L. Junkins, “Minimum-Time Low Thrust Transfers using the Method of Particular Solutions and Picard Iteration”, 27th AAS/AIAA Space Flight Mechanics Conference, San Antonio, Texas, February 2017.
  29. N. Budd, J. Read, R.M. Woollands, and J.L. Junkins, “Iterative Five-Element Lyapunov Control for Low Thrust Rendezvous with Modified Chebyshev Picard Iteration”, 27th AAS/AIAA Space Flight Mechanics Conference, San Antonio, Texas, February 2017.
  30. T. Swenson, R.M. Woollands and M. Lo, “The Dynamics of Comet-Shoemaker-Levy 9: Initial Capture Phase”, 27th AAS/AIAA Space Flight Mechanics Conference, San Antonio, Texas, February 2017.
  31. R.M. Woollands, J.L. Read, A. Probe and J.L. Junkins, “Adaptive Two-Point Boundary Value Problem Tool for Accurate and Efficient Computation of Perturbed Orbit Transfers”, 26th AAS/AIAA Space Flight Mechanics Conference, Napa, California, February 2016.
  32. V. Goecks, A. Probe, R.M. Woollands, J. Hurtado and J.L. Junkins, “Spacecraft Attitude Estimation for Low Cost CubeSat Missions”, 39th Annual AAS Guidance & Control Conference, Breckenridge, Colorado, February 2016.
  33. T. Swenson, R.M. Woollands, J.L. Junkins and M. Lo, “Application of Modified Chebyshev Picard Iteration to Differential Correction for Improved Robustness and Computation Time”, 26th AAS/AIAA Space Flight Mechanics Conference, Napa, California, February 2016.
  34. R.M. Woollands, J.L. Read, B. Macomber, A. Probe, A. Bani Younes, and J.L. Junkins, “Parallel Generation of Extremal Field Maps for Optimal Multi-Revolution Continuous Thrust O rbit Transfers”, AAS/AIAA Astrodynamics Specialist Conference, Vail, Colorado, August 2015.
  35. R.M. Woollands, A. Bani Younes, B. Macomber, X. Bai, and J.L. Junkins, “Optimal Continuous Thrust Maneuvers for Solving 3D Orbit Transfer Problems”, 38th Annual AAS Guidance & Control Conference, Breckenridge, Colorado, February 2015.
  36. R.M. Woollands, J. Read, B. Macomber, A. Probe, A. Bani Younes, and J.L. Junkins, “Method of Particular Solutions and Kustaanheimo-Stiefel Regularized Picard Iteration for Solving Two-Point Boundary Value Problems”, 25th AAS/AIAA Space Flight Mechanics Meeting, Williamsburg, Virginia, January 2015.
  37. B. Macomber, A. Probe, R.M. Woollands, and J.L. Junkins, “Automated Tuning Parameter Selection for Orbit Propagation with Modified Chebyshev Picard Iteration”, 25th AAS/AIAA Space Flight Mechanics Meeting, Williamsburg, Virginia, January 2015.
  38. A. Probe, B. Macomber, J. Read, R.M. Woollands, and J.L. Junkins, “Radially Adaptive Evaluation of the Spherical Harmonic Gravity Series for Numerical Orbital Propagation”, 25th AAS/AIAA Space Flight Mechanics Meeting, Williamsburg, Virginia, January 2015.
  39. R.M. Woollands, A. Bani Younes, B. Macomber, A. Probe, D. Kim, and J.L. Junkins, “Validation of Accuracy and Efficiency of Long-Arc Orbit Propagation Using the Method of Manufactured Solutions and the Round-Trip-Closure Method”, Advanced Maui Optical and Space Surveillance Technologies Conference, Maui, Hawaii, September 2014.
  40. A. Probe, B. Macomber, D. Kim, R.M. Woollands, and J.L. Junkins, “Terminal Convergence Approximation Modified Chebyshev Picard Iteration for efficient numerical integration of orbital trajectories”, Advanced Maui Optical and Space Surveillance Technologies Conference, Maui, Hawaii, September 2014.
  41. R.M. Woollands, J.L. Junkins and A. Bani Younes, “A New Solution for the Generalized Lambert's Problem”, 37th Annual Guidance and Control Conference, Breckenridge, Colorado, February 2014.
  42. B. Macomber, R.M. Woollands, A. Probe, A. Bani Younes, X. Bai and J.L. Junkins, “Modified Chebyshev Picard Iteration for Efficient Integration of Ordinary Differential Equations”, Advanced Maui Optical and Space Surveillance Technologies Conference, Maui, Hawaii, June 2013.
  43. A. Bani Younes, B. Macomber, R.M. Woollands, A. Probe, X. Bai and J.L. Junkins, “Fast Gravitational Field Model Using Adaptive Orthogonal Finite Element Approximation”, Advanced Maui Optical and Space Surveillance Technologies Conference, Maui, Hawaii, June 2013.
  44. J.L. Junkins, A. Bani Younes, R.M. Woollands and X. Bai, “Orthogonal Polynomial Approximation in Higher Dimensions: Applications in Astrodynamics”, presented at the Jer-nan Juang Astrodynamics Symposium, College Station, Texas, June 14-26, 2012.
  45. R.M. Woollands, P.L. Cottrell, “A Photometric Analysis of R Coronae Borealis Stars in the Magellanic Clouds”, Astronomical Society of the Pacific Conference Series, v404, 2009.
  46. R.M. Woollands, K.R. Pollard, D.J. Wright, D.J. Ramm and T. Böhm, “Mt John Spectroscopic Observations of the δ Scuti binary star RS Cha”, Southern Stars, The Journal of the Royal Astronomical Society of New Zealand, v46, No. 3, 2007.