Joseph Breeden, Ph.D. Candidate

I am a PhD student focused on safety-critical control theory, with an emphasis on spacecraft applications and multi-agent systems. My research aims to make space systems more reliable, autonomous, and scalable. See current highlights from my research below.

GitHub

https://github.com/jbreeden-um/phd-code

Papers

Breeden, J., and Panagou, D. (2023). "Autonomous Spacecraft Attitude Reorientation Using Control Barrier Functions". Submitted to AIAA Journal of Guidance, Control, and Dynamics. Under Review

Breeden, J., and Panagou, D. (2023). "Compositions of Multiple Control Barrier Functions Under Input Constraints". Submitted to 2023 American Control Conference. https://arxiv.org/abs/2210.01354

Breeden, J., and Panagou, D. (2022). "Predictive Control Barrier Functions for Online Safety Critical Control", Appearing in 2022 61st IEEE Conference on Decision and Control. https://arxiv.org/abs/2204.00208. Presentation. Slides. PDF. Recipient of a IEEE Constrol Systems Society CDC 2022 Outstanding Student Paper Award.

Breeden, J., and Panagou, D. (2022). "Guaranteed Safe Spacecraft Docking with Control Barrier Functions", in IEEE Control Systems Letters, vol. 6, pp. 2000-2005, 2022, doi: 10.1109/LCSYS.2021.3136813. https://ieeexplore.ieee.org/document/9656550. Presentation. Slides.

Breeden, J., and Panagou, D. (2021). "Robust Control Barrier Functions under Input Constraints and Disturbances for Satellite Trajectories", Automatica. Under Review. https://arxiv.org/abs/2107.04094

Breeden, J., Garg, K., and Panagou, D. (2022). "Control Barrier Functions in Sampled-Data Systems", in IEEE Control Systems Letters, vol. 6, pp. 367-372, 2022, doi: 10.1109/LCSYS.2021.3076127. https://ieeexplore.ieee.org/document/9417092. Presentation. Slides.

Breeden, J., and Panagou, D. (2021). "High Relative Degree Control Barrier Functions Under Input Constraints", 2021 60th IEEE Conference on Decision and Control, 2021, pp. 6119-6124, doi: 10.1109/CDC45484.2021.9683705. https://ieeexplore.ieee.org/document/9683705. Presentation. Slides. Recipient of the IEEE Technical Committee on Aerospace Control 2021 Outstanding Student Paper Award.

Breeden, J., and Panagou, D. (2020). "Quadratic Programs for High Relative Degree Spatial Constraints and Spatiotemporal Specifications with Spacecraft Applications", 2020 59th IEEE Conference on Decision and Control, 2020, pp. 1496-1502, doi: 10.1109/CDC42340.2020.9304162. https://ieeexplore.ieee.org/document/9304162. Presentation. Slides.

Resources

Quaternions and Spacecraft Attitude Dynamics

Videos

AIAA paper animation: NASA Simulator (other animations: Simple Reorientation, Complex Reorientation)

CDC-2022 paper: Ground Vehicles, LEO Satellites

LCSS 2022 paper animation: https://youtu.be/RoByiSD__jo

Automatica paper animation: https://youtu.be/ArQ84sdMTqo

LCSS 2021 paper animation: https://youtu.be/_0dNAoo2DLI

Other videos: CDC-2020, CDC-2021, AE740 Project

Other Pages

Fun