Safe learning in robotics: From learning-based control to safe reinforcement learning

L Brunke, M Greeff, AW Hall, Z Yuan… - Annual Review of …, 2022 - annualreviews.org
The last half decade has seen a steep rise in the number of contributions on safe learning
methods for real-world robotic deployments from both the control and reinforcement learning …

Safety-critical control for autonomous systems: Control barrier functions via reduced-order models

MH Cohen, TG Molnar, AD Ames - Annual Reviews in Control, 2024 - Elsevier
Modern autonomous systems, such as flying, legged, and wheeled robots, are generally
characterized by high-dimensional nonlinear dynamics, which presents challenges for …

Safe control with learned certificates: A survey of neural lyapunov, barrier, and contraction methods for robotics and control

C Dawson, S Gao, C Fan - IEEE Transactions on Robotics, 2023 - ieeexplore.ieee.org
Learning-enabled control systems have demonstrated impressive empirical performance on
challenging control problems in robotics, but this performance comes at the cost of reduced …

Barriernet: Differentiable control barrier functions for learning of safe robot control

W **ao, TH Wang, R Hasani, M Chahine… - IEEE Transactions …, 2023 - ieeexplore.ieee.org
Many safety-critical applications of neural networks, such as robotic control, require safety
guarantees. This article introduces a method for ensuring the safety of learned models for …

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 …

Learning control barrier functions from expert demonstrations

A Robey, H Hu, L Lindemann, H Zhang… - 2020 59th IEEE …, 2020 - ieeexplore.ieee.org
Inspired by the success of imitation and inverse reinforcement learning in replicating expert
behavior through optimal control, we propose a learning based approach to safe controller …

Reinforcement learning for safety-critical control under model uncertainty, using control lyapunov functions and control barrier functions

J Choi, F Castaneda, CJ Tomlin, K Sreenath - arxiv preprint arxiv …, 2020 - arxiv.org
In this paper, the issue of model uncertainty in safety-critical control is addressed with a data-
driven approach. For this purpose, we utilize the structure of an input-ouput linearization …

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 …

Robust adaptive control barrier functions: An adaptive and data-driven approach to safety

BT Lopez, JJE Slotine, JP How - IEEE Control Systems Letters, 2020 - ieeexplore.ieee.org
A new framework is developed for control of constrained nonlinear systems with structured
parametric uncertainty. Forward invariance of a safe set is achieved through online …

A survey on the control lyapunov function and control barrier function for nonlinear-affine control systems

B Li, S Wen, Z Yan, G Wen… - IEEE/CAA Journal of …, 2023 - ieeexplore.ieee.org
This survey provides a brief overview on the control Lyapunov function (CLF) and control
barrier function (CBF) for general nonlinear-affine control systems. The problem of control is …