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Journals
| [J37] Despond, F., and Ulrich, S., “Real-time Stereo Vision-based Spacecraft Pose Determination Using Convolutional Neural Networks,” AIAA Journal of Spacecraft and Rockets, accepted. |
| [J36] Chihabi, Y., and Ulrich, S., “New Angle-Only Observability Criteria for Spaceborne Optimal Evasive Maneuvers under Perturbations,” AIAA Journal of Guidance, Control, and Dynamics, accepted. | [J35] 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, Vol. 70, No. 5, 2023, pp. 1-45. |
[J34] 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, Vol. 59, No. 3, 2023, pp. 2296-2306.  |
| [J33] Bashnick, C., and Ulrich, S., “Fast Model Predictive Control for Spacecraft Rendezvous and Docking with Obstacle Avoidance,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 46, No. 5, 2023, pp. 998-1007. |
| [J32] Hough, J., and Ulrich, S., “Cascaded Lyapunov Vector Fields for Acceleration-Constrained Spacecraft Path Planning,” AIAA Journal of Guidance, Control, and Dynamics, Vol 45., No. 11, 2022, pp. 2076-2090. |
| [J31] Hovell, K., and Ulrich, S., “Laboratory Experimentation of Spacecraft Robotic Capture using Deep Reinforcement Learning-based Guidance,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 45, No. 11, 2022, pp. 2138-2146. |
| [J30] Chihabi, Y., and Ulrich, S., “Linear Time-Varying State Transition Matrix for Spacecraft Relative Dynamics on Highly Elliptical Orbits,” Acta Astronautica, Vol. 198, 2022, pp. 208-224. |
| [J29] Hovell, K., Ulrich, S., and Bronz, M., “Learned Multiagent Real-Time Guidance with Applications to Quadrotor Runway Inspection,” Field Robotics, Vol. 2, 2022, pp. 1105-1133. |
| [J28] 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, Vol. 45, No. 2, 2022, pp. 296-309. |
| [J27] Kernot, J., and Ulrich, S., “Adaptive Control of a Tendon-Driven Manipulator for Capturing Non-Cooperative Space Targets,” AIAA Journal of Spacecraft and Rockets, Vol. 59, No. 1, 2022, pp. 111-128. |
| [J26] Chihabi, Y., and Ulrich, S., “Perturbed State-Transition Matrix for Spacecraft Formation Flying Terminal-Point Guidance,” The Journal of the Astronautical Sciences. Vol. 68, No. 3, 2021, pp. 642-676. |
| [J25] Chihabi, Y., and Ulrich, S., “Analytical Spacecraft Relative Dynamics with Gravitational, Drag and Third-Body Perturbations,” Acta Astronautica. Vol. 185, 2021, pp. 42-57. |
| [J24] Shi, J.-F., Ulrich, S., and Ruel, S., “Real-time Saliency Detection for Grayscale and Colour Images,” Visual Computer. Vol. 37, No. 6, 2021, pp. 1277-1296. |
| [J23] Shi, J.-F., and Ulrich, S., “Uncooperative Spacecraft Pose Estimation using Monocular Monochromatic Images,” AIAA Journal of Spacecraft and Rockets. Vol. 58, No. 2, 2021, pp. 284–301. |
| [J22] Hovell, K., and Ulrich, S., “Deep Reinforcement Learning for Spacecraft Proximity Operations Guidance,” AIAA Journal of Spacecraft and Rockets. Vol. 58, No. 2, 2021, pp. 254–264. |
| [J21] 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, Vol. 180, 2021, pp. 370-385. |
| [J20] Fraser, C., and Ulrich, S., “Adaptive Extended Kalman Filtering Strategies for Spacecraft Formation Relative Navigation,” Acta Astronautica, Vol. 178, 2021, pp. 700-721. |
| [J19] Stadnyk K., and Ulrich, S., “Validating the Deployment of a Novel Tether Design for Orbital Debris Removal,” AIAA Journal of Spacecraft and Rockets, Vol. 57, No. 6, 2020, pp. 1335-1349. |
| [J18] Shi, J-F., Ulrich, S., and Ruel, S., “Unsupervised Method of Infrared Spacecraft Image Foreground Extraction,” AIAA Journal of Spacecraft and Rockets, vol. 56, No. 6, 2019, pp. 1847-1856. |
| [J17] Crain, A., and Ulrich, S., “Experimental Validation of Pseudospectral-based Optimal Trajectory Planning for Free-Floating Robots,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 42, No. 8, 2019, pp. 1726-1742. |
| [J16] Kuiack, B., and Ulrich, S., “Nonlinear Analytical Equations of Relative Motion on J2-Perturbed Eccentric Orbits,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 41, No. 12, 2018, pp. 2666-2677. |
[J15] Hovell, K., and Ulrich, S., “Postcapture Dynamics and Experimental Validation of Subtethered Space Debris,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 41, No. 2, 2018, pp. 519-525. |
| [J14] 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, Vol. 142, 2018, pp. 170-183. |
| [J13] 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, Vol 39., No. 6, 2016, pp. 1444–1453. |
| [J12] Fourie, D., Tweddle, B. E., Ulrich, S., and Saenz-Otero, A., “Flight Results of Vision-Based Navigation and Control for Autonomous Spacecraft Inspection of an Unknown Object,” AIAA Journal of Spacecraft and Rockets, Vol. 51, No. 6, 2014, pp. 2016–2026. |
| [J11] Ulrich, S., Sasiadek, J. Z., and Barkana, I., “Nonlinear Adaptive Output Feedback Control of Flexible-Joint Space Manipulators with Joint Stiffness Uncertainties,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 37, No. 6, 2014, pp. 1961–1975. |
| [J10] Flores-Abad, A., Ma, O., Pham, K., and Ulrich, S., “A Review of Space Robotics Technologies for On-Orbit Servicing,” Progress in Aerospace Sciences, Vol. 68, 2014, pp. 1–26. |
| [J9] Ulrich, S. and Sasiadek, J. Z., “Decentralized Simple Adaptive Control of Nonlinear Systems,” International Journal of Adaptive Control and Signal Processing, Vol. 28, No. 7, 2014, pp. 750–763. |
| [J8] Ulrich, S. and Sasiadek, J. Z., “Direct Fuzzy Adaptive Control of a Manipulator with Elastic Joints,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 36, No. 1, 2013, pp. 311–319. |
| [J7] Ulrich, S., Sasiadek, J. Z., and Barkana, I., “Modeling and Direct Adaptive Control of a Flexible-Joint Manipulator,” AIAA Journal of Guidance, Control, and Dynamics, Vol. 35, No. 1, 2012, pp. 25–39. |
| [J6] Ulrich, S. and Sasiadek, J. Z., “Trajectory-Tracking Control for Flexible-Joint Space Manipulators,” Canadian Aeronautics and Space Journal, Vol. 58, No. 1, 2012, pp. 47–59. |
| [J5] Ulrich, S., Côté, J., and de Lafontaine, J., “In-Flight Attitude Perturbation Estimation for Earth-Orbiting Spacecraft,” The Journal of the Astronautical Sciences, Vol. 57, No. 3, 2009, pp. 633–665. |
| [J4] Ulrich, S., Landry Corbin, F., and Veilleux, J.-F., “Power System Design for ESMO,” Acta Astronautica, Vol. 64, Nos. 2-3, 2009, pp. 244–255. |
| [J3] Ulrich, S. et al., “Development of On-Orbit Servicing Concepts, Technology Options, and Roadmap (Part II): Technical Design,” Journal of the British Interplanetary Society, Vol. 61, No. 6, 2008, pp. 213–223. |
| [J2] Ulrich, S., Rasheed, A., Jones, J., and Clement, G., “Adaptation of the Vestibulo-Ocular Reflex to High g Accelerations and Pitching Motions,” Aviation, Space and Environmental Medicine, Vol. 79, No. 3, 2008, pp. 312–313. |
| [J1] Ulrich, S. and de Lafontaine, J., “Autonomous Atmospheric Entry on Mars: Performance Improvement Using a Novel Adaptive Control Algorithm,” The Journal of the Astronautical Sciences, Vol. 55, No. 4, 2007, pp. 431–449. |