Publications

Selected journal and conference papers.

Preprints

1. Meta-Reinforcement Learning for Robust and Non-greedy Control Barrier Functions in Spacecraft Proximity OperationsAccepted
   M. C. Wijayatunga, R. Linares, R. Armellin — arXiv:2602.07335, Feb 2026
2. Learning Safety-Guaranteed, Non-Greedy Control Barrier Functions Using Reinforcement LearningNew
   M. Wijayatunga, N. Wallace, S. Sukkarieh, R. Armellin — arXiv:2602.00366, Jan 2026

Journal Articles

1. CORTEX: An autonomous, end-to-end, convex-based framework for close-range rendezvous trajectory design and guidance with hardware testbed validation
   M. C. Wijayatunga, J. Guinane, N. Wallace, X. Wu, S. Sukkarieh — Acta Astronautica , 2026
2. Robust trajectory design and guidance for far-range rendezvous using reinforcement learning with safety and observability considerations
   M. C. Wijayatunga, R. Armellin, H. Holt — Aerospace Science and Technology, 2025
3. GTOC12: Results from TheAntipodes
   R. Armellin, A. Bellome, X. Fu, H. Holt, C. Parigini, M. Wijayatunga, J. Yarndley — Astrodynamics, 2025
4. Sustainability within Aotearoa New Zealand’s aerospace sector: current state and implications for the future
   S. Bickerton, C. Varughese, C. Mankelow, S. Katavich-Barton, T. Dowling, M. Wijayatunga, C Qualtrough, B Kirollos, L Henry, N Rattenbury, A Morris, P DhopadeJournal of the Royal Society of New Zealand, 2025
5. Convex-Optimization-Based Model Predictive Control for Space Debris Removal Mission Guidance
   M. C. Wijayatunga, R. Armellin, H. Holt, C. Bombardelli — Journal of Guidance, Control, and Dynamics, 2024
6. Exploiting Scaling Constants to Facilitate the Convergence of Indirect Trajectory Optimization Methods
   M. C. Wijayatunga, R. Armellin, L. Pirovano — JGCD (Engineering Note), 2023
7. Design and guidance of a multi-active debris removal mission
   M. C. Wijayatunga, R. Armellin, H. Holt, L. Pirovano, A. A. Lidtke — Astrodynamics, 7(6), 2023
8. Team theAntipodes: Solution Methodology for GTOC11
   R. Armellin, L. Beauregard, A. Bellome, A. Bellome, M. C. Wijayatunga, et al. — Acta Astronautica, 2022

Conference Papers

1. GRASP: An Integrated Framework for Mission Design and Guidance for Autonomous In-Orbit Servicing Missions
   N. Wallace, M. C. Wijayatunga, J. Guinane, …, S. Sukkarieh — Oct 2025
2. System Design and Hardware-In-The-Loop Testbed Development for an Australian ISAM Demonstrator Mission
   J. Guinane, S. Alshammari, T. Bailey, …, M. C. Wijayatunga — Oct 2025
3. CORTEX: Real-Time Trajectory Optimization and Guidance for the Final Approach Phase of In-Orbit Servicing Missions
   M. C. Wijayatunga, N. Wallace, J. Guinane, …, S. Sukkarieh — Sep 2025
4. Assessing the Feasibility of Ion Beam-Based Asteroid Deflection for Planetary Defense
   M. C. Wijayatunga, C. Buonagura, S. Bandyopadhyay, …, J. Brophy — Jan 2025
5. State-dependent trust region for successive convex optimization of spacecraft trajectories
   N. Bernardini, M. C. Wijayatunga, N. Baresi, R. Armellin — Jan 2023