{"id":27,"date":"2014-08-20T14:20:40","date_gmt":"2014-08-20T14:20:40","guid":{"rendered":"http:\/\/www.carleton.ca\/spacecraft\/?page_id=27"},"modified":"2026-01-18T23:26:13","modified_gmt":"2026-01-19T04:26:13","slug":"publications","status":"publish","type":"page","link":"https:\/\/carleton.ca\/spacecraft\/publications\/","title":{"rendered":"Publications"},"content":{"rendered":"

Filter by type: All<\/a> \\ Journals<\/a><\/p>\n

2026<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
[161] Arora, L., and Ulrich, S., “Koopman Expectation-Based Optimization for Offline Spacecraft Rendezvous Guidance Under Parametric Uncertainties,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, accepted<\/span>.<\/td>\n<\/tr>\n
[160] Crain, A., and Ulrich, S., “Event-Based Spacecraft Representation Using Inter-Event-Interval Adaptive Time Surfaces,” 36th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 12-16 Jan, 2026.<\/td>\n<\/tr>\n
[159] Peters, J., Folta, D., King, T., Ahmed, D. S., Charlton, S., Aharony, B., DeLaat, L., Hines, B., Koren, B., Lorimer, J., Paradis, R., Poinen, N., Sargeant, A., Scratchley, N., Singh, D., Stokes, A., Delaney, K., Crain, A., Savytska, C., and Ulrich, S., “Experimental Demonstration of LiDAR-Based Docking and Refueling of a Spinning Spacecraft,” 36th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 12-16 Jan, 2026.<\/td>\n<\/tr>\n
[158] Kiefte, A., and Ulrich, S., “Manipulator-Constrained Trajectory Optimization with Elbow-Switching for Space-Based Robots,” 36th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 12-16 Jan, 2026.<\/td>\n<\/tr>\n
[157] Kiefte, A., and Ulrich, S., “End-Effector Trajectory Optimization and Obstacle Avoidance for Free-Flying Space Robots,” 36th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 12-16 Jan, 2026.<\/td>\n<\/tr>\n
[156] Kamra, N., and Ulrich, S., “RT-DETR Enhanced with NAS: A Hybrid Spacecraft Detection Approach,” 36th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 12-16 Jan, 2026.<\/td>\n<\/tr>\n
[155] Goodridge, R., and Ulrich, S., “Experimental Comparison of Stereovision-Based Stochastic Filtering Approaches for Proximity Operations,” 36th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 12-16 Jan, 2026.<\/td>\n<\/tr>\n
[154] Basmaji, F. L., Ulrich, S., and Sasiadek, J. Z., “Physics-Informed Deep Reinforcement Learning for Free-Floating Space Manipulator Motion Planning,” 36th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 12-16 Jan, 2026.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2025<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
[153] Valdez Cascajares, A., Stewart, P., Tynski, L., and Ulrich, S., “Evaluation of Gradient Descent Methods on Artificial Potential Fields for Proximity Operations,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 48, No. 12, 2025, pp. 2849-2859.<\/td>\n<\/tr>\n
[152] Crain, A., Hovell, K., Savytska, C. and, Ulrich, S., “Optimal Capture of a Spinning Spacecraft via Deep Learning Vision and Guidance,” AIAA Journal of Spacecraft and Rockets<\/i>, Vol. 62, No. 5, 2025, pp. 1727-1739. \"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[151] Reid, N., Goodridge, R., Stewart, P., Simonson, S., Dahlseide, A., Delaney, K., Valdez Cascajares, A., Savytska, C., Crain, A., and Ulrich, S., “Computer-Vision-Driven Artificial Potential Function Guidance and Adaptive Control for Spacecraft Proximity Operations,” AIAA Journal of Aerospace Information Systems<\/i>, Vol. 22, No. 8, 2025, pp.716-729.
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[150] Despond, F. T., and Ulrich, S., “Real-time Stereovision-based Spacecraft Pose Determination Using Convolutional Neural Networks,” AIAA Journal of Spacecraft and Rockets<\/i>, Vol. 62, No. 1, 2025, pp. 269-279.
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[149] Chihabi, Y., and Ulrich, S., “Nonlinear Adaptive Angle-Only Relative Navigation on Perturbed Eccentric Orbits,” Acta Astronautica<\/i>, Vol. 228, 2025, pp.494-514.
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[148] Vigneron, A., and Ulrich, S., “Model-Free Learning Compensation of Robotic Arm Manoeuvres for a Free-Flying Base,” IEEE International Conference on Space Robotics<\/i>, Sendai, Japan, 1-4 Dec, 2025.<\/td>\n<\/tr>\n
[147] Folta, D., and Ulrich, S., “Design and Experimental Demonstration of a Docking Interface for Orbital Refuelling,” 76th International Astronautical Congress<\/i>, Sydney, Australia, 29 Sep- 03 Oct, 2025.<\/td>\n<\/tr>\n
[146] Savytska, C., and Ulrich, S., “Experimentally Validating Model Predictive Control for Spacecraft Proximity Operations with Collision Avoidance,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025<\/td>\n<\/tr>\n
[145] Chihabi, Y., Hovell, K, and Ulrich, S., “On-orbit Results of Optimal Guidance and Control for Spacecraft Rendezvous,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[144] Reid, N., and Ulrich, S., “Adaptive Proportional Navigation Guidance for Spacecraft Rendezvous and Proximity Operations,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[143] Crain, A., Hovell, K, Savytska, C., and Ulrich, S., “Optimal Robotic Capture of an Uncooperative Spinning Spacecraft via Deep Learning Vision and Guidance,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[142] Reid, N., Goodridge, R., Stewart, P., Moses, S., Simonson, S., Dahlseide, A., Comisso, A., Tynski, L., Delaney, K., Hayden A., Valdez Cascajares, A., McPherson, R., Steckel, A., Tuck, F., Savytska, C., Crain, A., and Ulrich, S., “Cooperative Computer Vision-Driven APF Guidance and Adaptive Control for Spacecraft Proximity Operations,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[141] Valdez Cascajares, A., Stewart, P., Tynski, L., and Ulrich, S., “Evaluation of Gradient Descent Methods on Artificial Potential Fields for Spacecraft Proximity Operations,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[140] Budhkar, A., and Ulrich, S., “Neural Network-Based Spacecraft Pose Determination Using Thermal Imagery,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[139] Vigneron, A., and Ulrich, S., “Two-Iteration Learning Control in Spacecraft Proximity Operations: Experiments in a Disturbed Environment,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[138] Murray, M., and Ulrich, S., “Spacecraft Rendezvous via the Gradient Vector Field Framework,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[137] Arora, L., and Ulrich, S., “Koopman Expectation-Based Guidance for Spacecraft Rendezvous and Proximity Operations under Uncertainties,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[136] Chapin, J., and Ulrich, S., “Neuro-Adaptive Trajectory Control for Spacecraft Proximity Operations,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[135] Lauinger, T., and Ulrich, S., “Path Planning for Optimal Coverage of Orbiting Space Structures Using Lissajous Curves,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n
[134] Bell, P., and Ulrich, S., “Nonlinear Disturbance Estimation-Enhanced Simple Adaptive Control of a Space Robot,” 35th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Kaua’i, HI, 2025.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2024<\/strong><\/p>\n\n\n\n\n\n\n\n\n
[133] Chihabi, Y., and Ulrich, S., “New Angle-Only Observability Criteria for Spaceborne Optimal Evasive Maneuvers under Perturbations,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 47, No. 7, 2024, pp. 1437-1446.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[132] Chihabi, Y., and Ulrich, S., “Solar-Drag Spacecraft Formation Control with Particle Swarm Optimization-Based Guardian Maps,” American Control Conference<\/i>, Toronto, Canada, 10-12 July, 2024.<\/td>\n<\/tr>\n
[131] Soh, W., Lee, R., and Ulrich, S., “Neural Network-Based Stochastic Filtering for Spacecraft Relative Motion Estimation,” 46th Annual AAS Guidance, Navigation, and Control Conference<\/i>, Breckenridge, CO, 1-7 February, 2024.<\/td>\n<\/tr>\n
[130] Rao, D., and Ulrich, S., “Composite Nonlinear Generalized Predictive Control for Spacecraft Formation Flying Under Disturbances,” 34th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 8-12 January, 2024.<\/td>\n<\/tr>\n
[129] Chafe, N., and Ulrich, S., “Spacecraft Rendezvous, Proximity Operations, and Docking with Obstacle Avoidance Using Bounded Buffered Voronoi Cells ,” 34th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 8-12 January, 2024.<\/td>\n<\/tr>\n
[128] Chihabi, Y., and Ulrich, S., “GPS-Enhanced Spaceborne Angle-Only Relative Navigation with Dual Kalman Filters ,” 34th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 8-12 January, 2024.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2023<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
[127] Chihabi, Y., and Ulrich, S., “Software-In-The-Loop Validation of a Novel Two-Point Optimal Guidance for Perturbed Spacecraft Rendezvous and Formations,” The Journal of the Astronautical Sciences<\/i>, Vol. 70, No. 5, 2023, pp. 1-45.
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[126] Predmyrskyy, A., and Ulrich, S., “Design Heuristics and Optimization for Simple Adaptive Controllers with Applications to Spacecraft Proximity Operations,” IEEE Transactions on Aerospace and Electronic Systems<\/i>, Vol. 59, No. 3, 2023, pp. 2296-2306.
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[125] Bashnick, C., and Ulrich, S., “Fast Model Predictive Control for Spacecraft Rendezvous and Docking with Obstacle Avoidance,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 46, No. 5, 2023, pp. 998-1007.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[124] Stewart, P., and Ulrich, S., “Asymptotically Stable Simple Adaptive Control For Free-Floating Space Manipulators,” 33rd AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Austin, TX, 15-19 Jan, 2023.<\/td>\n<\/tr>\n
[123] Hovell, K., and Ulrich, S., “Laboratory Experimentation of Spacecraft Robotic Capture Using Deep Reinforcement Learning-based Guidance,” 33rd AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Austin, TX, 15-19 Jan, 2023.<\/td>\n<\/tr>\n
[122] Bashnick, C., and Ulrich, S., Fast Model Predictive Control for Spacecraft Rendezvous and Docking with Obstacle Avoidance,” 33rd AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Austin, TX, 15-19 Jan, 2023.<\/td>\n<\/tr>\n
[121] Chihabi, Y., and Ulrich, S., “Nonlinear Adaptive Angle-Only Relative Navigation on Perturbed Eccentric Orbits,” 33rd AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Austin, TX, 15-19 Jan, 2023.<\/td>\n<\/tr>\n
[120] Chihabi, Y., and Ulrich, S., “Spaceborne Optimal Evasive Maneuvers Under Angle-Only Relative Navigation,” 33rd AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Austin, TX, 15-19 Jan, 2023.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2022<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
[119] Hough, J., and Ulrich, S., “Cascaded Lyapunov Vector Fields for Acceleration-Constrained Spacecraft Path Planning,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol 45., No. 11, 2022, pp. 2076-2090.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[118] Hovell, K., and Ulrich, S., “Laboratory Experimentation of Spacecraft Robotic Capture using Deep Reinforcement Learning-based Guidance,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 45, No. 11, 2022, pp. 2138-2146.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[117] Chihabi, Y., and Ulrich, S., “Linear Time-Varying State Transition Matrix for Spacecraft Relative Dynamics on Highly Elliptical Orbits,” Acta Astronautica<\/i>. Vol. 198, 2022, pp. 208-224.
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[116] Hovell, K., Ulrich, S., and Bronz, M., “Learned Multiagent Real-Time Guidance with Applications to Quadrotor Runway Inspection,” Field Robotics<\/i>, Vol. 2, 2022, pp. 1105-1133.
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[115] Pothen, A. A., Crain, A., and Ulrich, S., “Pose Tracking Control for Spacecraft Proximity Operations Using the Udwadia-Kalaba Framework,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 45, No. 2, 2022, pp. 296-309.
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[114] Kernot, J., and Ulrich, S., “Adaptive Control of a Tendon-Driven Manipulator for Capturing Non-Cooperative Space Targets,” AIAA Journal of Spacecraft and Rockets<\/i>, Vol. 59, No. 1, 2022, pp. 111-128.
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[113] Rao, D., and Ulrich, S., “Nonlinear Generalized Predictive Control for Earth-Orbiting Formation-Flying Spacecraft,” American Control Conference<\/i>, Atlanta, GA, 8-10 June, 2022.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2021<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
[112] Chihabi, Y., and Ulrich, S., “Perturbed State-Transition Matrix for Spacecraft Formation Flying Terminal-Point Guidance,” The Journal of the Astronautical Sciences<\/i>, Vol. 68, No. 3, 2021, pp. 642-676.
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[111] Chihabi, Y., and Ulrich, S., “Analytical Spacecraft Relative Dynamics with Gravitational, Drag and Third-Body Perturbations,” Acta Astronautica<\/i>, Vol. 185, 2021, pp. 42-57.
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[110] Shi, J.-F., Ulrich, S., and Ruel, S., “Real-time Saliency Detection for Grayscale and Colour Images,” Visual Computer<\/i>, Vol. 37, No. 6, 2021, pp. 1277-1296.
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[109] Shi, J.-F., and Ulrich, S., “Uncooperative Spacecraft Pose Estimation using Monocular Monochromatic Images,” AIAA Journal of Spacecraft and Rockets<\/i>, Vol. 58, No. 2, 2021, pp. 284\u2013301.
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[108] Hovell, K., and Ulrich, S., “Deep Reinforcement Learning for Spacecraft Proximity Operations Guidance,” AIAA Journal of Spacecraft and Rockets<\/i>, Vol. 58, No. 2, 2021, pp. 254\u2013264.
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[107] Chihabi, Y., and Ulrich, S., “Hybrid Guardian Map-based Adaptive Control of Spacecraft Formation Flying on Highly Elliptical Orbits in the Restricted Three-body Problem,” Acta Astronautica<\/i>, Vol. 180, 2021, pp. 370-385.
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[106] Fraser, C., and Ulrich, S., “Adaptive Extended Kalman Filtering Strategies for Spacecraft Formation Relative Navigation,” Acta Astronautica<\/i>, Vol. 178, 2021, pp. 700-721.
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[105] Chihabi, Y. and Ulrich, S., “Dual-Parameter Stabilized Control of Spacecraft Formations with Combined Solar Radiation Pressure and Thrusters using Guardian Maps,” AAS\/AIAA Astrodynamics Specialist Conference<\/i>, 2021.<\/td>\n<\/tr>\n
[104] Predmyrskyy, A., and Ulrich, S., “Spacecraft Rendezvous, Docking, and Post-Docking Maneuvers Under Large Uncertainties Via Swarm Optimized Simple Adaptive Control,” AAS\/AIAA Astrodynamics Specialist Conference<\/i>, 2021.<\/td>\n<\/tr>\n
[103] Chihabi, Y. and Ulrich, S., “Development and Experimental Validation of Two-Point Optimal Guidance for Spacecraft Formations,” AAS\/AIAA Astrodynamics Specialist Conference<\/i>, 2021.<\/td>\n<\/tr>\n
[102] Hovell, K., Ulrich, S., and Bronz, M., “Acceleration-based Quadrotor Guidance Under Time Delays Using Deep Reinforcement Learning,” AIAA Guidance, Navigation, and Control Conference<\/i>, 2021.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2020<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
[101] Stadnyk K., and Ulrich, S., “Validating the Deployment of a Novel Tether Design for Orbital Debris Removal,” AIAA Journal of Spacecraft and Rockets<\/i>, Vol. 57, No. 6, 2020, pp. 1335-1349.
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[100] Chihabi, Y., and Ulrich, S., “Guardian Maps-Based Adaptive and Robust Control of Spacecraft Formation Flying,” AAS\/AIAA Astrodynamics Specialist Conference<\/i>, Lake Tahoe, CA, 9-12 August 2020.<\/td>\n<\/tr>\n
[99] Predmyrskyy, A., and Ulrich, S., “Swarm Optimized Simple Adaptive Controller for Spacecraft Proximity Operations Trajectory Tracking,” 21st IFAC World Congress<\/i>, Berlin, Germany, 12-17 July 2020.<\/td>\n<\/tr>\n
[98] Hovell, K., and Ulrich, S., “On Deep Reinforcement Learning for Spacecraft Robotics High-Level Guidance Design,” AIAA Guidance, Navigation, and Control Conference<\/i>, Orlando, FL, 6-10 Jan, 2020.<\/td>\n<\/tr>\n
[97] Pothen, A. A., and Ulrich, S., “Pose Tracking Control for Spacecraft Proximity Operations Using the Udwadia-Kalaba Framework,” AIAA Guidance, Navigation, and Control Conference<\/i>, Orlando, FL, 6-10 Jan, 2020. Best Presentation in Session<\/span>.<\/td>\n<\/tr>\n
[96] Hough, J., and Ulrich, S., “Lyapunov Vector Fields for Thrust-Limited Spacecraft Docking with an Elliptically-Orbiting Uncooperative Tumbling Target,” AIAA Guidance, Navigation, and Control Conference<\/i>, Orlando, FL, 6-10 Jan, 2020. Best Presentation in Session<\/span>.<\/td>\n<\/tr>\n
[95] Hough, J., and Ulrich, S., “Immersion and Invariance Adaptive Control for Proximity Operations under Uncertainties and Modeling Errors,” AIAA Guidance, Navigation, and Control Conference<\/i>, Orlando, FL, 6-10 Jan, 2020.<\/td>\n<\/tr>\n
[94] Kernot, J., and Ulrich, S., “Adaptive Control of a Tendon-Driven Manipulator for the Capture of Non-Cooperative Space Targets,” AIAA Guidance, Navigation, and Control Conference<\/i>, Orlando, FL, 6-10 Jan, 2020.<\/td>\n<\/tr>\n
[93] Crain, A., Ulrich, S., and Flores-Abad, A., “Compliant Spacecraft Capture via a Nonlinear Disturbance Observer-based Impedance Controller,” AIAA Guidance, Navigation, and Control Conference<\/i>, Orlando, FL, 6-10 Jan, 2020.<\/td>\n<\/tr>\n
[92] Chihabi, Y., and Ulrich, S., “Spacecraft Formation Guidance Law using a State Transition Matrix With Gravitational, Drag and Third-Body Perturbations,” 30th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 6-10 Jan, 2020.<\/td>\n<\/tr>\n
[91] Stadnyk, K., and Ulrich, S., “Validating the Deployment of a Novel Tether Design for Net-Based Orbital Debris Removal Missions,” 30th AIAA\/AAS Space Flight Mechanics Meeting<\/i>, Orlando, FL, 6-10 Jan, 2020.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2019<\/strong><\/p>\n\n\n\n\n\n\n\n\n
[90] Shi, J-F., Ulrich, S., and Ruel, S., “Unsupervised Method of Infrared Spacecraft Image Foreground Extraction,” AIAA Journal of Spacecraft and Rockets<\/i>, Vol. 56, No. 6, 2019, pp. 1847-1856.
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[89] Crain, A., and Ulrich, S., “Experimental Validation of Pseudospectral-based Optimal Trajectory Planning for Free-Floating Robots,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 42, No. 8, 2019, pp. 1726-1742.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[88] Pothen, A. A., and Ulrich, S., “Close-Range Rendezvous of Multiple Chasers with a Moving Target using Udwadia-Kalaba Equation,” American Control Conference<\/i>, Philadelphia, PA, 10-12 Jul, 2019.<\/td>\n<\/tr>\n
[87] Fraser, C., and Ulrich, S., “A Fuzzy Adaptive Kalman Filter for Spacecraft Formation Navigation,” American Control Conference<\/i>, Philadelphia, PA, 10-12 Jul, 2019.<\/td>\n<\/tr>\n
[86] Ulrich, S., “Development and Experimental Evaluation of Advanced Robotics Technologies Enabling On-Orbit Assembly,” Robotic Technology for In-Space Assembly Workshop at the IEEE International Conference on Robotics and Automation<\/i>, Montreal, Canada, 23 May, 2019.
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[85] Chihabi, Y., and Ulrich, S., “Analytical Spacecraft Formation Dynamics in Eccentric Orbits with Gravitational, Drag and Third body Perturbations,” 29th AAS\/AIAA Space Flight Mechanics Meeting<\/i>, Ka’anapali, HI, 13-17 Jan, 2019.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2018<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
[84] Kuiack, B., and Ulrich, S., “Nonlinear Analytical Equations of Relative Motion on J2-Perturbed Eccentric Orbits,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 41, No. 12, 2018, pp. 2666-2677.
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[83] Hovell, K., and Ulrich, S., “Postcapture Dynamics and Experimental Validation of Subtethered Space Debris,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 41, No. 2, 2018, pp. 519-525.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a>\"watch<\/a><\/td>\n<\/tr>\n
[82] Chamitoff, G. E., Saenz-Otero, A., Katz, J. G., Ulrich, S., Morrell, B. J., Gibbens, P., “Real-time Maneuver Optimization of Space-Based Robots in a Dynamic Environment: Theory and On-Orbit Experiments,” Acta Astronautica<\/i>, Vol. 142, 2018, pp. 170-183.
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[81] Shi, J-F., Ulrich, S., and Ruel, S., “Regional Method for Monocular Infrared Image Spacecraft Pose Estimation,” AIAA Space and Astronautics Forum and Exposition<\/i>, Orlando, FL, 17-19 Sep, 2018.<\/td>\n<\/tr>\n
[80] Fraser, C., and Ulrich, S.,”An Adaptive Kalman Filter for Spacecraft Formation Navigation using Maximum Likelihood Estimation with Intrinsic Smoothing,” American Control Conference<\/i>, Milwaukee, WI, 27-29 Jun, 2018.<\/td>\n<\/tr>\n
[79] Shi, J-F., Ulrich, S., and Ruel, S., “Level-set and Image Statistics for Pose Estimation of Satellites,” 5th International Conference on Control, Dynamic Systems, and Robotics<\/i>, Niagara Falls, Canada, 7-9 Jun, 2018. Best Paper Award<\/span>.<\/td>\n<\/tr>\n
[78] Shi, J-F., Ulrich, S., and Ruel, S., “CubeSat Simulation and Detection using Monocular Camera Images and Convolutional Neural Networks,” AIAA Guidance, Navigation, and Control Conference<\/i>, Kissimmee, FL, 8-12 Jan, 2018, AIAA Paper 2018-1604.<\/td>\n<\/tr>\n
[77] Flores-Abad, A., Crain, A., Nandayapa, M., Hernandez, G., and Ulrich, S., “Disturbance Observer-based Impedance Control for a Compliant Capture of an Object in Space,” AIAA Guidance, Navigation, and Control Conference<\/i>, Kissimmee, FL, 8-12 Jan, 2018, AIAA Paper 2018-1329. Best Presentation in Session<\/span>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2017<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n
[76] Shi, J-F., Ulrich, S., and Ruel, S., “Spacecraft Component Recognition using a Codebook of Texton Images,” AIAA Space and Astronautics Forum and Exposition<\/i>, Orlando, Fl, 12-14 Sep, 2017.<\/td>\n<\/tr>\n
[75] Shi, J-F., Ulrich, S., and Ruel, S., “International Space Station Image Extraction from a Dynamic Environment using Deep Learning,” 4th International Conference on Control, Dynamic Systems, and Robotics<\/i>, Toronto, Canada, 22-23 Aug, 2017.<\/td>\n<\/tr>\n
[74] Kuiack, B., and Ulrich, S., “Orbital Element-Based Relative Motion Guidance on J2-Perturbed Eccentric Orbits,” AAS\/AIAA Astrodynamics Specialist Conference<\/i>, Stevenson, WA, 20-24 Aug, 2017.<\/td>\n<\/tr>\n
[73] Shi, J-F., Ulrich, S., and Ruel, S., “yBRIEF: A Study in Non-Gaussian Binary Elementary Feature,” International Conference on Image, Vision and Computing<\/i>, Chengdu, China, 2-4 Jun, 2017. Best Paper in Session Award<\/span>.<\/td>\n<\/tr>\n
[72] Shi, J-F., Ulrich, S., and Ruel, S., “A Comparison of Feature Descriptors Using Monocular Thermal Camera Images,” International Conference on Control, Automation and Robotics<\/i>, Nagoya, Japan, 22-24 Apr, 2017.<\/td>\n<\/tr>\n
[71] Hovell, K., and Ulrich, S., “Experimental Validation for Tethered Capture of Spinning Space Debris,” AIAA Guidance, Navigation, and Control Conference<\/i>, Grapevine, TX, 9-13 Jan, 2017, AIAA Paper 2017-1049. Best Presentation in Session<\/span>.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a>\"watch<\/a><\/td>\n<\/tr>\n
[70] Ulrich, S., and Hovell, K., “Iterative Learning Control of Spacecraft Proximity Operations Based on Confidence Level,” AIAA Guidance, Navigation, and Control Conference<\/i>, Grapevine, TX, 9-13 Jan, 2017, AIAA Paper 2017-1046.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a>\"watch<\/a><\/td>\n<\/tr>\n
[69] Shi, J.-F., Ulrich, S., and Ruel, S., “Spacecraft Pose Estimation using Principal Component Analysis and a Monocular Camera,” AIAA Guidance, Navigation, and Control Conference<\/i>, Grapevine, TX, 9-13 Jan, 2017, AIAA Paper 2017-1034.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2016<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
[68] Ulrich, S., Saenz-Otero, A., Barkana, I., “Passivity-Based Adaptive Control of Robotic Spacecraft for Proximity Operations under Uncertainties,” AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol 39., No. 6, 2016, pp. 1444\u20131453.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[67] Shi, J.-F., Ulrich, S., and Ruel, S., “Spacecraft Pose Estimation Using a Monocular Camera,” 64th International Astronautical Congress<\/em>, Guadalajara, Mexico, 26-30 Sep, 2016.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a>\"watch<\/a><\/td>\n<\/tr>\n
[66] Crain, A., and Ulrich, S., “Nonlinear Optimal Trajectory Planning for Free-Floating Space Manipulators Using a Gauss Pseudospectral Method,” AIAA\/AAS Astrodynamics Specialist Conference<\/em>, Long Beach, CA, 12-15 Sep, 2016, AIAA Paper 2016-5272.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[65] Shi, J.-F., Ulrich, S., Chamitoff, G. E., Morrell, B. J., Allen, A., “Trajectory Optimization for Proximity Operations Around Tumbling Geometrical Constraints via Legendre Polynomials,” AIAA\/AAS Astrodynamics Specialist Conference<\/em>, Long Beach, CA, 12-15 Sep, 2016, AIAA Paper 2016-5270.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a>\"watch<\/a>\"watch<\/a>\"watch<\/a>\"watch<\/a>\"watch<\/a><\/td>\n<\/tr>\n
[64] Shi, J.-F., and Ulrich, S., “SoftPOSIT Enhancements for Monocular Camera Spacecraft Pose Estimation,” 21st International Conference on Methods and Models in Automation and Robotics<\/em>, Miedzyzdroje, Poland, 29 Aug – 1 Sep, 2016.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[63] Yazdkhasti, S, Sasiadek J. Z., and Ulrich, S., \u201cGPS\/INS Integration Performance Enhancement by Using a Fuzzy Adaptive Unscented Kalman Filter,\u201d 21st International Conference on Methods and Models in Automation and Robotics<\/em>, Miedzyzdroje, Poland, 29 Aug – 1 Sep, 2016.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[62] Ulrich, S., “Nonlinear Passivity-Based Adaptive Control for Spacecraft Formation Flying,” American Control Conference<\/em>, Boston, MA, 6-8 Jul, 2016, pp. 7432-7437
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[61] Kuiack, B., and Ulrich, S., “Nonlinear Analytical Equations of Relative Motion on J2-Perturbed Eccentric Orbits,” 26th AAS\/AIAA Space Flight Mechanics Meeting<\/em>, Napa Valley, CA, 14-18 Feb, 2016, AAS Paper 16-495; also Advances in the Astronautical Sciences Series<\/em>, Univelt, Vol. 158, 2016, pp. 4479-4492.
\n\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[60] Hovell, K., and Ulrich, S., \u201cAttitude Stabilization of an Uncooperative Spacecraft in an Orbital Environment using Visco-Elastic Tethers,\u201d AIAA Guidance, Navigation, and Control Conference<\/i>, San Diego, CA, 4-8 Jan, 2016, AIAA Paper 2016-0641.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a>\"watch<\/a><\/td>\n<\/tr>\n
[59] Kedare, S. S., and Ulrich, S., \u201cFormulation of Torque-Optimal Guidance Trajectories for a CubeSat with Degraded Reaction Wheels,\u201d AIAA Guidance, Navigation, and Control Conference<\/i>, San Diego, CA, 4-8 Jan, 2016, AIAA Paper 2016-0088. Best Presentation in Session<\/span>.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[58] Kedare, S. S., and Ulrich, S., \u201cExtending the SPeAD-M86 Model: Incorporating the Effects of F10.7 Variations on Atmospheric Density,\u201d AIAA Modeling and Simulation Technologies Conference<\/i>, San Diego, CA, 4-8 Jan, 2016, AIAA Paper 2016-1188.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2015<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
[57] Ulrich, S., and Sasiadek, J. Z., \u201cOn the Simple Adaptive Control of Flexible-Joint Space Robots with Uncertainties,\u201d Aerospace Robotics II<\/i>, Sasiadek, J. Z. (Ed.), Series on GeoPlanet: Earth and Planetary Sciences, Springler-Verlag, 2015, ISBN 978-3-319-13852-7, pp. 13\u201323.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[56] Shi, J.-F., Ulrich, S., Ruel, S., and Anctil, M., \u201cUncooperative Spacecraft Pose Estimation Using an Infrared Camera During Proximity Operations,\u201d AIAA Space and Astronautics Forum and Exposition<\/i>, Pasadena, CA, 31 Aug-2 Sep, 2015, AIAA Paper 2015-4429.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[55] Yazdkhasti, S, Ulrich, S., and Sasiadek J. Z., \u201cLaboratory Experimentation of Stereo Vision-Based Relative Navigation with Unknown Spinning Spacecraft,\u201d 20th International Conference on Methods and Models in Automation and Robotics<\/i>, Miedzyzdroje, Poland, 24-27 Aug, 2015.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[54] Kedare, S. S., and Ulrich, S., \u201cUndamped Passive Attitude Stabilization and Orbit Management of a 3U CubeSat with Drag Sails,\u201d AAS\/AIAA Astrodynamics Specialist Conference<\/i>, Vail, CO, 9-13 Aug, 2015, AAS Paper 15-502; also Advances in the Astronautical Sciences Series<\/em>, Univelt, 2015.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[53] Shi, J.-F., Ulrich, S., and Allen, A., \u201cOptimal Trajectory Guidance for Spacecraft Robotic Servicing Missions,\u201d 13th Symposium on Advanced Space Technologies in Robotics and Automation<\/i>, Noordwijk, The Netherlands, 11-13 May, 2015.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[52] Hovell, K., and Ulrich, S. \u201cAttitude Stabilization of an Unknown and Spinning Target Spacecraft Using a Visco-Elastic Tether,\u201d 13th Symposium on Advanced Space Technologies in Robotics and Automation<\/i>, Noordwijk, The Netherlands, 11-13 May, 2015.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[51] Yazdkhasti, S., Ulrich, S., and Sasiadek, J. Z., \u201cComputer Vision for Real-Time Relative Navigation with a Non-Cooperative and Spinning Target Spacecraft,\u201d 13th Symposium on Advanced Space Technologies in Robotics and Automation<\/i>, Noordwijk, The Netherlands, 11-13 May, 2015.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[50] Shi, J.-F., Ulrich, S., and Allen, A., \u201cSpacecraft Adaptive Attitude Control with Application to Space Station Free-Flyer Robotic Capture,\u201d AIAA Guidance, Navigation, and Control Conference<\/i>, Kissimmee, FL, 5-9 Jan, 2015, AIAA Paper 2015-1780.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[49] Kedare, S. S., and Ulrich, S., \u201cDesign and Evaluation of a Semi-Empirical Piece-wise Exponential Atmospheric Density Model for CubeSat Applications,\u201d AIAA Modeling and Simulation Technologies Conference<\/i>, Kissimmee, FL, 5-9 Jan, 2015, AIAA Paper 2015-1589.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2014<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n\n\n
[48] Fourie, D., Tweddle, B. E., Ulrich, S., and Saenz-Otero, A., \u201cFlight Results of Vision-Based Navigation and Control for Autonomous Spacecraft Inspection of an Unknown Object,\u201d AIAA Journal of Spacecraft and Rockets<\/i>, Vol. 51, No. 6, 2014, pp. 2016\u20132026.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a>\"watch<\/a><\/td>\n<\/tr>\n
[47] Ulrich, S., Sasiadek, J. Z., and Barkana, I., \u201cNonlinear Adaptive Output Feedback Control of Flexible-Joint Space Manipulators with Joint Stiffness Uncertainties,\u201d AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 37, No. 6, 2014, pp. 1961\u20131975.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[46] Flores-Abad, A., Ma, O., Pham, K., and Ulrich, S., \u201cA Review of Space Robotics Technologies for On-Orbit Servicing,\u201d Progress in Aerospace Sciences<\/i>, Vol. 68, 2014, pp. 1\u201326.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[45] Ulrich, S. and Sasiadek, J. Z., \u201cDecentralized Simple Adaptive Control of Nonlinear Systems,\u201d International Journal of Adaptive Control and Signal Processing<\/i>, Vol. 28, No. 7, 2014, pp. 750\u2013763.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[44] Shi, J.-F., and Ulrich, S., \u201cA Direct Adaptive Control Law using Modified Rodrigues Parameters for ISS Attitude Regulation During Free-flyer Capture Operations,\u201d 65th International Astronautical Congress<\/i>, Toronto, Canada, 29 Sep-3 Oct, 2014.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[43] Sasiadek, J. Z., Green A., Ulrich, S., and Krzyzak, A., \u201cNonparametric Identification and Control of Flexible-Joint Robot Manipulators,\u201d 18th International Conference on Methods and Models in Automation and Robotics<\/i>, Miedzyzdroje, Poland, 2-5 Sep, 2014.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[42] Tweddle, B. E., Ulrich, S., Setterfield, T., Saenz-Otero, A., and Miller, D. W., \u201cThe SPHERES-VERTIGO Goggles: An Overview of Vision-Based Navigation Research Results from the International Space Station,\u201d 12th International Symposium on Artificial Intelligence, Robotics, and Automation in Space<\/i>, Montreal, Canada, 17-19 Jun, 2014.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a>\"watch<\/a><\/td>\n<\/tr>\n
[41] Ulrich, S., Hayhust, D. L., Saenz-Otero, A., Miller, D. W., and Barkana, I., \u201cSimple Adaptive Control for Spacecraft Proximity Operations,\u201d AIAA Guidance, Navigation, and Control Conference<\/i>, National Harbor, MD, 13-17 Jan, 2014, AIAA Paper 2014-1288.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[40] Chamitoff, G. E., Saenz-Otero, A., Katz, J. G., and Ulrich, S., \u201cAdmissible Subspace TRajectory Optimizer (ASTRO) for Autonomous Robot Operations on the Space Station,\u201d AIAA Guidance, Navigation, and Control Conference<\/i>, National Harbor, MD, 13-17 Jan, 2014, AIAA Paper 2014-1290.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2013<\/strong><\/p>\n\n\n\n\n\n\n
[39] Ulrich, S. and Sasiadek, J. Z., \u201cDirect Fuzzy Adaptive Control of a Manipulator with Elastic Joints,\u201d AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 36, No. 1, 2013, pp. 311\u2013319.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[38] Fourie, D., Tweddle, B. E., Ulrich, S., and Saenz-Otero, A., \u201cVision-Based Relative Navigation and Control for Autonomous Spacecraft Inspection of an Unknown Object,\u201d AIAA Guidance, Navigation, and Control Conference<\/i>, Boston, MA, 19-22 Aug, 2013, AIAA Paper 2013-4759.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a>\"watch<\/a><\/td>\n<\/tr>\n
[37] Ulrich, S., Sasiadek, J. Z., and Barkana, I., \u201cNonlinear Adaptive Output Feedback Control of Flexible-Joint Space Robot Manipulators,\u201d AIAA Guidance, Navigation, and Control Conference<\/i>, Boston, MA, 19-22 Aug, 2013, AIAA Paper 2013-4523.best
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[36] Ulrich, S., \u201cSynchronized Position, Hold Engage and Reorient Experimental Satellites,\u201d ISS Increment 33\/34 \u2013 30 Day Operational Accomplishments Report, prepared for NASA Johnson Space Center, April 2013.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2012<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
[35] Ulrich S., \u201cDirect Adaptive Control Methodologies for Flexible-Joint Space Manipulators with Uncertainties and Modeling Errors,\u201d Ph.D. Thesis, Department of Mechanical and Aerospace Engineering, Carleton University, Ottawa, Ontario, Canada, August, 2012. Senate Medal for Outstanding Achievement at the PhD Level<\/span>. E.Y. and J.W. Research Award in Mechanical\/Aerospace Engineering<\/span>.
\n\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[34] Ulrich, S., Sasiadek, J. Z., and Barkana, I., \u201cModeling and Direct Adaptive Control of a Flexible-Joint Manipulator,\u201d AIAA Journal of Guidance, Control, and Dynamics<\/i>, Vol. 35, No. 1, 2012, pp. 25\u201339.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[33] Ulrich, S. and Sasiadek, J. Z., \u201cTrajectory-Tracking Control for Flexible-Joint Space Manipulators,\u201d Canadian Aeronautics and Space Journal<\/i>, Vol. 58, No. 1, 2012, pp. 47\u201359.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[32] Ulrich, S., Sasiadek, J. Z., and Barkana, I., \u201cOn a New Class of Direct Adaptive Output Feedback Controllers for Nonlinear Square Systems,\u201d 51st IEEE Conference on Decision and Control<\/i>, Maui, HI, 10-13 Dec, 2012, pp.4139-4144.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[31] Krzyzak, A., Sasiadek, J. Z., and Ulrich, S., \u201cNonparametric Identification of Flexible-Joint Space Robot Manipulators,\u201d 17th International Conference on Methods and Models in Automation and Robotics<\/i>, Miedzyzdroje, Poland, 27-30 Aug, 2012.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[30] Ulrich, S. and Sasiadek, J. Z., \u201cDirect Fuzzy Adaptive Control of a Manipulator with Elastic Joints,\u201d AIAA Guidance, Navigation, and Control Conference<\/i>, Minneapolis, MN, 13-16 Aug, 2012, AIAA Paper 2012-4620. Best Presentation in Session<\/span>.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[29] Ulrich, S., Sasiadek, J. Z., and Barkana, I., \u201cDecentralized Simple Adaptive Control for Nonsquare Euler-Lagrange Systems,\u201d American Control Conference<\/i>, Montreal, Canada, 27-29 Jun, 2012, pp. 232-237.
\n\"icon-pdf\"<\/a>\"icon-pdf\"<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2011<\/strong><\/p>\n\n\n\n\n\n\n\n
[28] Ulrich, S. and Sasiadek, J. Z., \u201cMethods of Trajectory Tracking for Flexible Joint Space Manipulators,\u201d 18th IFAC World Congress<\/i>, Milan, Italy, 28 Aug-2 Sep, 2011, pp. 10307-10312.<\/td>\n<\/tr>\n
[27] Ulrich, S. and Sasiadek, J. Z., \u201cDirect Adaptive Fuzzy Control for a Two-Link Robot,\u201d 16th International Conference on Methods and Models in Automation and Robotics<\/i>, Miedzyzdroje, Poland, 22-25 Aug, 2011.<\/td>\n<\/tr>\n
[26] Ulrich, S. and Sasiadek, J. Z., \u201cControl Strategies for Flexible Joint Manipulators,\u201d AIAA Guidance, Navigation, and Control Conference<\/i>, Portland, OR, 8-11 Aug, 2011, AIAA Paper 2011-6297.<\/td>\n<\/tr>\n
[25] Ulrich, S. and Sasiadek, J. Z., \u201cExtended Kalman Filtering for Flexible Joint Space Robot Control,\u201d American Control Conference<\/i>, San Francisco, CA, 29 Jun-1 Jul, 2011, pp. 1021-1026.<\/td>\n<\/tr>\n
[24] Ulrich, S. and Sasiadek, J. Z., \u201cReal-Time Estimation and Adaptive Control of Flexible Joint Space Manipulators,\u201d 8th International Workshop on Robot Motion and Control<\/i>, Bukowy Dworek, Poland, 15-17 Jun, 2011; also Robot Motion and Control<\/i>, Kozlowski, K. (Ed.), Series on Lecture Notes in Control and Information Sciences, Springer-Verlag, Vol. 442, 2012, ISBN 978-1-4471-2342-2, pp. 215\u2013224.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2010<\/strong><\/p>\n\n\n\n\n\n\n
[23] Ulrich, S. and C\u00f4t\u00e9, J., \u201cOnboard Attitude Perturbation Estimation for Gyroless Spacecraft,\u201d 61st International Astronautical Congress<\/i>, Prague, Czech Republic, 27 Sep-1 Oct, 2010.<\/td>\n<\/tr>\n
[22] Ulrich, S. and Sasiadek, J. Z., \u201cDirect Model Reference Adaptive Control of a Flexible Joint Robot,\u201d AIAA Guidance, Navigation and Control Conference and Exhibit<\/i>, Toronto, Canada, 2-5 Aug, 2010, AIAA Paper 2010-7844.<\/td>\n<\/tr>\n
[21] Ulrich, S. and Sasiadek, J. Z., \u201cModified Simple Adaptive Control for a Two-Link Space Robot,\u201d American Control Conference<\/i>, Baltimore, MD, 30 Jun-2 Jul, 2010, pp. 3654-3659.<\/td>\n<\/tr>\n
[20] Ulrich, S. and Sasiadek, J. Z., \u201cControl of a Robot Manipulator with Rigid and Flexible Joints,\u201d 15th CASI Conference on Astronautics<\/i>, Toronto, Canada, 4-6 May, 2010.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2009<\/strong><\/p>\n\n\n\n\n\n
[19] Ulrich, S., C\u00f4t\u00e9, J., and de Lafontaine, J., \u201cIn-Flight Attitude Perturbation Estimation for Earth-Orbiting Spacecraft,\u201d The Journal of the Astronautical Sciences<\/i>, Vol. 57, No. 3, 2009, pp. 633\u2013665.<\/td>\n<\/tr>\n
[18] Ulrich, S., Landry Corbin, F., and Veilleux, J.-F., \u201cPower System Design for ESMO,\u201d Acta Astronautica<\/i>, Vol. 64, Nos. 2-3, 2009, pp. 244\u2013255.<\/td>\n<\/tr>\n
[17] Ulrich, S. and Sasiadek, J. Z., \u201cAutonomous Control for Flexible Joint Space Robotic Manipulators,\u201d 60th International Astronautical Congress, Daejeon<\/i>, Republic of Korea, 12-16 Oct, 2009.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2008<\/strong><\/p>\n\n\n\n\n\n\n\n\n\n
[16] Ulrich, S. et al.<\/i>, \u201cDevelopment of On-Orbit Servicing Concepts, Technology Options, and Roadmap (Part II): Technical Design,\u201d Journal of the British Interplanetary Society<\/i>, Vol. 61, No. 6, 2008, pp. 213\u2013223.<\/td>\n<\/tr>\n
[15] Ulrich, S., Rasheed, A., Jones, J., and Clement, G., \u201cAdaptation of the Vestibulo-Ocular Reflex to High g Accelerations and Pitching Motions,\u201d Aviation, Space and Environmental Medicine<\/i>, Vol. 79, No. 3, 2008, pp. 312\u2013313.<\/td>\n<\/tr>\n
[14] Ulrich, S., Kron, A., and de Lafontaine, J., \u201cAttitude Guidance and Control for Synchronized Maneuvers About a Fixed Rotation Axis,\u201d AIAA Guidance, Navigation and Control Conference and Exhibit<\/i>, Honolulu, HI, USA, 18-21 Aug, 2008, AIAA Paper 2008-7018.<\/td>\n<\/tr>\n
[13] de Lafontaine, J., Kron, A., Ulrich, S., and Clerc, S., \u201cNavigation and Guidance Strategies for High-Velocity Impact of a Near Earth Asteroid,\u201d 7th International ESA Conference on Guidance, Navigation and Control Systems<\/i>, Tralee, Ireland, 2-5 Jun, 2008.<\/td>\n<\/tr>\n
[12] Ulrich, S., Rasheed, A., Jones, J., and Clement, G., \u201cAdaptation of the Vestibulo-Ocular Reflex to High g Accelerations and Pitching Motions,\u201d 79th Aerospace Medical Association Annual Scientific Meeting<\/i>, Boston, Massachusetts, USA, 11-15 May, 2008.<\/td>\n<\/tr>\n
[11] Kron, A., de Lafontaine, J., and Ulrich, S., \u201cFormation Flying Static Output Feedback Control: Evaluating the Need of Scheduling for Eccentricity,\u201d 3rd International Symposium on Formation Flying, Missions and Technologies<\/i>, Noordwijk, The Netherlands, 23-25 Apr, 2008.<\/td>\n<\/tr>\n
[10] Kron, A., Ulrich, S., and de Lafontaine, J., \u201cPerformance Demonstration of Autonomous Guidance and Control for Formation Flight on Eccentric Orbits,\u201d 14th CASI Conference on Astronautics<\/i>, Montreal, Canada, 29 Apr \u2013 1 May, 2008.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2007<\/strong><\/p>\n\n\n\n\n\n\n\n
[9] Ulrich, S. and de Lafontaine, J., \u201cAutonomous Atmospheric Entry on Mars: Performance Improvement Using a Novel Adaptive Control Algorithm,\u201d The Journal of the Astronautical Sciences<\/i>, Vol. 55, No. 4, 2007, pp. 431\u2013449.<\/td>\n<\/tr>\n
[8] Ulrich, S., Landry Corbin, F., and Veilleux, J.-F., \u201cPower System Design for ESMO,\u201d 58th International Astronautical Congress<\/i>, Hyderabad, India, 24-28 Sep, 2007.<\/td>\n<\/tr>\n
[7] Ulrich, S. and de Lafontaine, J., \u201cDevelopment of a Novel Adaptive Control Algorithm for a Fighter Aircraft,\u201d AIAA Guidance, Navigation and Control Conference and Exhibit<\/i>, Hilton Head, SC, USA, 20-23 Aug, 2007, AIAA Paper 2007-6649.<\/td>\n<\/tr>\n
[6] Ulrich, S., Landry Corbin, F., and Veilleux, J.-F., \u201cPreliminary Design of the Electrical Power Subsystem for the European Student Moon Orbiter Mission,\u201d 21st Annual AIAA\/USU Conference on Small Satellites<\/i>, Logan, UT, USA, 13-16 Aug, 2007.<\/td>\n<\/tr>\n
[5] Ulrich, S. and de Lafontaine, J., \u201cMars Entry Robustness Improvement Using a Novel Adaptive Control Algorithm,\u201d 30th Annual AAS Guidance and Control Conference<\/i>, Breckenridge, CO, USA, 3-7 Feb, 2007, AAS Paper 07-001; also Advances in the Astronautical Sciences Series<\/em>, Hallowell H. E. and Culp, R. D. (Eds. ), Univelt, Vol. 128, 2007, ISBN 978-0-87703-542-8, <\/span>pp. 1-18.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2006<\/strong><\/p>\n\n\n\n\n\n
[4] Ulrich S., \u201cGuidance and Adaptive Control for Precision Landing on Mars,\u201d M.A.Sc. Thesis, Department of Electrical and Computer Engineering, Universit\u00e9 de Sherbrooke, Sherbrooke, Qu\u00e9bec, Canada, December, 2006. Leonardo Da Vinci Medal<\/span>.
\n\"icon-pdf\"<\/a><\/td>\n<\/tr>\n
[3] Ulrich, S., Landry Corbin, F., and Nolet C\u00f4t\u00e9, H., \u201cConceptual Design of the Electrical Power Subsystem for the European Student Moon Orbiter Mission,\u201d 57th International Astronautical Congress<\/i>, Valencia, Spain, 2-6 Oct, 2006.<\/td>\n<\/tr>\n
[2] Dagfinn Kr\u00f8vel, T. and Ulrich, S., \u201cOverview of the European Student Moon Orbiter Mission,\u201d 57th International Astronautical Congress<\/i>, Valencia, Spain, 2-6 Oct, 2006.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

2005<\/strong><\/p>\n\n\n\n
[1] Dagfinn Kr\u00f8vel, T., Jerpetj\u00f8n, K., and Ulrich, S., \u201cThe European Student Moon Orbiter Project,\u201d 7th International Lunar Conference<\/i>, Toronto, Canada, 18-23 Sep, 2005.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Filter by type: All \\ Journals 2026 [161] Arora, L., and Ulrich, S., “Koopman Expectation-Based Optimization for Offline Spacecraft Rendezvous Guidance Under Parametric Uncertainties,” AIAA Journal of Guidance, Control, and Dynamics, accepted. [160] Crain, A., and Ulrich, S., “Event-Based Spacecraft Representation Using Inter-Event-Interval Adaptive Time Surfaces,” 36th AIAA\/AAS Space Flight Mechanics Meeting, Orlando, FL, 12-16 […]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","_mi_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":"","_links_to":"","_links_to_target":""},"yoast_head":"\nPublications - Spacecraft Robotics Laboratory<\/title>\n<meta name=\"description\" content=\"Filter by type: All Journals 2026 Arora, L., and Ulrich, S., "Koopman Expectation-Based Optimization for Offline Spacecraft Rendezvous Guidance Under\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/carleton.ca\/spacecraft\/publications\/\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"53 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/carleton.ca\/spacecraft\/publications\/\",\"url\":\"https:\/\/carleton.ca\/spacecraft\/publications\/\",\"name\":\"Publications - 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