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eess.SY2026
Backup Control Barrier Function Synthesis using Sum-of-Squares Reachability
Jungbae Chun, Shima Sadat Mousavi, David E. J. van Wijk +3
Backup control barrier functions (bCBFs) enforce safety for input-constrained nonlinear systems using a pre-certified backup set and controller, but their performance depends stron…
eess.SY2026
Time-Transformation-Based Analysis of Systems with Periodic Delay via Perturbative Expansion
Jungbae Chun, Sengiyumva Kisole, Matthew M. Peet +1
It is difficult to analyze the stability of systems with time-varying delays. One approach is to construct a time-transformation that converts the system into a form with a constan…
eess.SY2025
Robust Time-Varying Control Barrier Functions with Sector-Bounded Nonlinearities
Felix Biertümpfel, Jungbae Chun, Peter Seiler
This paper presents a novel approach for ensuring safe operation of systems subject to input nonlinearities and time-varying safety constraints. We extend the time-varying barrier…