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 …

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 …

Direct parameterization of lipschitz-bounded deep networks

R Wang, I Manchester - International Conference on …, 2023 - proceedings.mlr.press
This paper introduces a new parameterization of deep neural networks (both fully-connected
and convolutional) with guaranteed $\ell^ 2$ Lipschitz bounds, ie limited sensitivity to input …

Exact verification of relu neural control barrier functions

H Zhang, J Wu, Y Vorobeychik… - Advances in Neural …, 2024 - proceedings.neurips.cc
Abstract Control Barrier Functions (CBFs) are a popular approach for safe control of
nonlinear systems. In CBF-based control, the desired safety properties of the system are …

Learning safe control for multi-robot systems: Methods, verification, and open challenges

K Garg, S Zhang, O So, C Dawson, C Fan - Annual Reviews in Control, 2024 - Elsevier
In this survey, we review the recent advances in control design methods for robotic multi-
agent systems (MAS), focusing on learning-based methods with safety considerations. We …

Formally Verifying Deep Reinforcement Learning Controllers with Lyapunov Barrier Certificates

U Mandal, G Amir, H Wu, I Daukantas… - arXiv preprint arXiv …, 2024 - arxiv.org
Deep reinforcement learning (DRL) is a powerful machine learning paradigm for generating
agents that control autonomous systems. However, the" black box" nature of DRL agents …

Advances in the Theory of Control Barrier Functions: Addressing practical challenges in safe control synthesis for autonomous and robotic systems

K Garg, J Usevitch, J Breeden, M Black… - Annual Reviews in …, 2024 - Elsevier
This tutorial paper presents recent work of the authors that extends the theory of Control
Barrier Functions (CBFs) to address practical challenges in the synthesis of safe controllers …

Deep learning-based output tracking via regulation and contraction theory

S Zoboli, S Janny, M Giaccagli - IFAC-PapersOnLine, 2023 - Elsevier
In this paper, we deal with output tracking control problems for input-affine nonlinear
systems. We propose a deep learning-based solution whose foundations lay in control …

Structured Neural-PI Control with End-to-End Stability and Output Tracking Guarantees

W Cui, Y Jiang, B Zhang, Y Shi - Advances in Neural …, 2024 - proceedings.neurips.cc
We study the optimal control of multiple-input and multiple-output dynamical systems via the
design of neural network-based controllers with stability and output tracking guarantees …

TOOL LyZNet: A Lightweight Python Tool for Learning and Verifying Neural Lyapunov Functions and Regions of Attraction

J Liu, Y Meng, M Fitzsimmons, R Zhou - Proceedings of the 27th ACM …, 2024 - dl.acm.org
In this paper, we describe a lightweight Python framework that provides integrated learning
and verification of neural Lyapunov functions for stability analysis. The proposed tool …