Provably safe reinforcement learning via action projection using reachability analysis and polynomial zonotopes

N Kochdumper, H Krasowski, X Wang… - IEEE Open Journal …, 2023 - ieeexplore.ieee.org
While reinforcement learning produces very promising results for many applications, its main
disadvantage is the lack of safety guarantees, which prevents its use in safety-critical …

Safe Reinforcement Learning for Automated Vehicles via Online Reachability Analysis

X Wang, M Althoff - IEEE Transactions on Intelligent Vehicles, 2023 - ieeexplore.ieee.org
Ensuring safe and capable motion planning is paramount for automated vehicles.
Traditional methods are limited in their ability to handle complex and unpredictable traffic …

Scalable robust safety filter with unknown disturbance set

F Gruber, M Althoff - IEEE Transactions on Automatic Control, 2023 - ieeexplore.ieee.org
Equipping any controller with formal safety guarantees can be achieved by using safety
filters. These filters modify the desired control input in the least restrictive way to guarantee …

Scalable computation of robust control invariant sets of nonlinear systems

L Schäfer, F Gruber, M Althoff - IEEE Transactions on Automatic …, 2023 - ieeexplore.ieee.org
Ensuring robust constraint satisfaction for an infinite-time horizon is a challenging, yet crucial
task when deploying safety-critical systems. In this article, we address this issue by …

Falsifying motion plans of autonomous vehicles with abstractly specified traffic scenarios

M Klischat, M Althoff - IEEE Transactions on Intelligent Vehicles, 2022 - ieeexplore.ieee.org
Verifying the safety of autonomous vehicles is one of the major challenges towards their
deployment on public roads due to the vast number of possible situations that can occur in …

Efficient backward reachability using the minkowski difference of constrained zonotopes

L Yang, H Zhang, JB Jeannin… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Backward reachability analysis is essential to synthesizing controllers that ensure the
correctness of closed-loop systems. This article is concerned with developing scalable …

Stochastic Reachability-Based GPS Spoofing Detection with Chimera Signal Enhancement

T Mina, A Kanhere, S Kousik, G Gao - Navigation: journal of the Institute …, 2023 - navi.ion.org
To protect civilian global positioning system (GPS) users from spoofing attacks, the US Air
Force Research Lab has proposed the chips-message robust authentication (Chimera) …

The black-box simplex architecture for runtime assurance of autonomous CPS

U Mehmood, S Sheikhi, S Bak, SA Smolka… - NASA formal methods …, 2022 - Springer
Abstract The Simplex Architecture is a runtime assurance framework where control authority
may switch from an unverified and potentially unsafe advanced controller to a backup …

Contingency-constrained economic dispatch with safe reinforcement learning

M Eichelbeck, H Markgraf… - 2022 21st IEEE …, 2022 - ieeexplore.ieee.org
Future power systems will rely heavily on micro grids with a high share of decentralised
renewable energy sources and energy storage systems. The high complexity and …

Vandermonde trajectory bounds for linear companion systems

Ö Arslan, A İşleyen - arXiv preprint arXiv:2302.10995, 2023 - arxiv.org
Fast and accurate safety assessment and collision checking are essential for motion
planning and control of highly dynamic autonomous robotic systems. Informative, intuitive …