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 …

Risk-aware control for robots with non-gaussian belief spaces

M Vahs, J Tumova - 2024 IEEE International Conference on …, 2024 - ieeexplore.ieee.org
This paper addresses the problem of safety-critical control of autonomous robots,
considering the ubiquitous uncertainties arising from un-modeled dynamics and noisy …

Co-Büchi Control Barrier Certificates for Stochastic Control Systems

D Ajeleye, M Zamani - IEEE Control Systems Letters, 2024 - ieeexplore.ieee.org
This paper addresses the problem of synthesizing controllers that enforce properties
expressed by Universal Co-Büchi Automata (UCA) over stochastic control systems. Our …

Almost-sure safety guarantees of stochastic zero-control barrier functions do not hold

O So, A Clark, C Fan - arXiv preprint arXiv:2312.02430, 2023 - arxiv.org
The 2021 paper" Control barrier functions for stochastic systems" provides theorems that
give almost sure safety guarantees given stochastic zero control barrier function (ZCBF) …

Non-smooth control barrier functions for stochastic dynamical systems

M Vahs, J Tumova - 2024 European Control Conference (ECC), 2024 - ieeexplore.ieee.org
Uncertainties arising in various control systems, such as robots that are subject to unknown
disturbances or environmental variations, pose significant challenges for ensuring system …

Bounding Stochastic Safety: Leveraging Freedman's Inequality with Discrete-Time Control Barrier Functions

RK Cosner, P Culbertson… - IEEE Control Systems …, 2024 - ieeexplore.ieee.org
When deployed in the real world, safe control methods must be robust to unstructured
uncertainties such as modeling error and external disturbances. Typical robust safety …

CBFKIT: A Control Barrier Function Toolbox for Robotics Applications

M Black, G Fainekos, B Hoxha, H Okamoto… - arXiv preprint arXiv …, 2024 - arxiv.org
This paper introduces CBFKit, a Python/ROS toolbox for safe robotics planning and control
under uncertainty. The toolbox provides a general framework for designing control barrier …

Safe Decentralized Multi-Agent Control using Black-Box Predictors, Conformal Decision Policies, and Control Barrier Functions

S Huriot, H Sibai - arXiv preprint arXiv:2409.18862, 2024 - arxiv.org
We address the challenge of safe control in decentralized multi-agent robotic settings, where
agents use uncertain black-box models to predict other agents' trajectories. We use the …

Online and Certifiably Correct Visual Odometry and Mapping

DR Agrawal, R Govindjee, J Yu, A Ravikumar… - arXiv preprint arXiv …, 2024 - arxiv.org
This paper proposes two new algorithms for certified perception in safety-critical robotic
applications. The first is a Certified Visual Odometry algorithm, which uses a RGBD camera …

Model Predictive Path Integral Methods with Reach-Avoid Tasks and Control Barrier Functions

H Parwana, M Black, G Fainekos, B Hoxha… - arXiv preprint arXiv …, 2024 - arxiv.org
The rapid advancement of robotics necessitates robust tools for developing and testing safe
control architectures in dynamic and uncertain environments. Ensuring safety and reliability …