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 …

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 …

Control barrier functions and input-to-state safety with application to automated vehicles

A Alan, AJ Taylor, CR He, AD Ames… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Balancing safety and performance is one of the predominant challenges in modern control
system design. Moreover, it is crucial to robustly ensure safety without inducing unnecessary …

Safety-critical traffic control by connected automated vehicles

C Zhao, H Yu, TG Molnar - Transportation research part C: emerging …, 2023 - Elsevier
Connected automated vehicles (CAVs) have shown great potential in improving traffic
throughput and stability. Although various longitudinal control strategies have been …

Humanoid self-collision avoidance using whole-body control with control barrier functions

C Khazoom, D Gonzalez-Diaz… - 2022 IEEE-RAS 21st …, 2022 - ieeexplore.ieee.org
This work combines control barrier functions (CBFs) with a whole-body controller to enable
self-collision avoidance for the MIT Humanoid. Existing reactive controllers for self-collision …

Safe navigation and obstacle avoidance using differentiable optimization based control barrier functions

B Dai, R Khorrambakht, P Krishnamurthy… - IEEE Robotics and …, 2023 - ieeexplore.ieee.org
Control barrier functions (CBFs) have been widely applied to safety-critical robotic
applications. However, the construction of control barrier functions for robotic systems …

Efficient Motion Planning for Manipulators with Control Barrier Function-Induced Neural Controller

M Yu, C Yu, MM Naddaf-Sh… - … on Robotics and …, 2024 - ieeexplore.ieee.org
Sampling-based motion planning methods for manipulators in crowded environments often
suffer from expensive collision checking and high sampling complexity, which make them …

Robust task-space quadratic programming for kinematic-controlled robots

M Djeha, P Gergondet… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Task-space quadratic programming (QP) is an elegant approach for controlling robots
subject to constraints. Yet, in the case of kinematic-controlled (ie, high-gain position or …

Hierarchical relaxation of safety-critical controllers: Mitigating contradictory safety conditions with application to quadruped robots

J Lee, J Kim, AD Ames - 2023 IEEE/RSJ International …, 2023 - ieeexplore.ieee.org
The safety-critical control of robotic systems often must account for multiple, potentially
conflicting, safety constraints. This paper proposes novel relaxation techniques to address …

Towards a theory of control architecture: A quantitative framework for layered multi-rate control

N Matni, AD Ames, JC Doyle - arxiv preprint arxiv:2401.15185, 2024 - arxiv.org
This paper focuses on the need for a rigorous theory of layered control architectures (LCAs)
for complex engineered and natural systems, such as power systems, communication …