The safety filter: A unified view of safety-critical control in autonomous systems

KC Hsu, H Hu, JF Fisac - Annual Review of Control, Robotics …, 2023 - annualreviews.org
Recent years have seen significant progress in the realm of robot autonomy, accompanied
by the expanding reach of robotic technologies. However, the emergence of new …

Data-driven safety filters: Hamilton-jacobi reachability, control barrier functions, and predictive methods for uncertain systems

KP Wabersich, AJ Taylor, JJ Choi… - IEEE Control …, 2023 - ieeexplore.ieee.org
Today's control engineering problems exhibit an unprecedented complexity, with examples
including the reliable integration of renewable energy sources into power grids, safe …

Robust control barrier–value functions for safety-critical control

JJ Choi, D Lee, K Sreenath, CJ Tomlin… - 2021 60th IEEE …, 2021 - ieeexplore.ieee.org
This paper works towards unifying two popular approaches in the safety control community:
Hamilton-Jacobi (HJ) reachability and Control Barrier Functions (CBFs). HJ Reachability has …

Deepreach: A deep learning approach to high-dimensional reachability

S Bansal, CJ Tomlin - 2021 IEEE International Conference on …, 2021 - ieeexplore.ieee.org
Hamilton-Jacobi (HJ) reachability analysis is an important formal verification method for
guaranteeing performance and safety properties of dynamical control systems. Its …

Conservative safety critics for exploration

H Bharadhwaj, A Kumar, N Rhinehart, S Levine… - arxiv preprint arxiv …, 2020 - arxiv.org
Safe exploration presents a major challenge in reinforcement learning (RL): when active
data collection requires deploying partially trained policies, we must ensure that these …

Exploration in deep reinforcement learning: From single-agent to multiagent domain

J Hao, T Yang, H Tang, C Bai, J Liu… - … on Neural Networks …, 2023 - ieeexplore.ieee.org
Deep reinforcement learning (DRL) and deep multiagent reinforcement learning (MARL)
have achieved significant success across a wide range of domains, including game artificial …

Formal certification methods for automated vehicle safety assessment

T Zhao, E Yurtsever, JA Paulson… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Challenges related to automated driving are no longer focused on just the construction of
such automated vehicles (AVs) but also on assuring the safety of operation. Recent …

Iterative reachability estimation for safe reinforcement learning

M Ganai, Z Gong, C Yu, S Herbert… - Advances in Neural …, 2023 - proceedings.neurips.cc
Ensuring safety is important for the practical deployment of reinforcement learning (RL).
Various challenges must be addressed, such as handling stochasticity in the environments …

Refining control barrier functions through hamilton-jacobi reachability

S Tonkens, S Herbert - 2022 IEEE/RSJ International …, 2022 - ieeexplore.ieee.org
Safety filters based on Control Barrier Functions (CBFs) have emerged as a practical tool for
the safety-critical control of autonomous systems. These approaches encode safety through …

Sampling-based reachability analysis: A random set theory approach with adversarial sampling

T Lew, M Pavone - Conference on robot learning, 2021 - proceedings.mlr.press
Reachability analysis is at the core of many applications, from neural network verification, to
safe trajectory planning of uncertain systems. However, this problem is notoriously …