Learning safe multi-agent control with decentralized neural barrier certificates

Z Qin, K Zhang, Y Chen, J Chen, C Fan - arXiv preprint arXiv:2101.05436, 2021 - arxiv.org
We study the multi-agent safe control problem where agents should avoid collisions to static
obstacles and collisions with each other while reaching their goals. Our core idea is to learn …

Multi-agent constrained policy optimisation

S Gu, JG Kuba, M Wen, R Chen, Z Wang, Z Tian… - arXiv preprint arXiv …, 2021 - arxiv.org
Developing reinforcement learning algorithms that satisfy safety constraints is becoming
increasingly important in real-world applications. In multi-agent reinforcement learning …

Multi-robot collision avoidance under uncertainty with probabilistic safety barrier certificates

W Luo, W Sun, A Kapoor - Advances in Neural Information …, 2020 - proceedings.neurips.cc
Safety in terms of collision avoidance for multi-robot systems is a difficult challenge under
uncertainty, non-determinism, and lack of complete information. This paper aims to propose …

Automated and formal synthesis of neural barrier certificates for dynamical models

A Peruffo, D Ahmed, A Abate - … conference on tools and algorithms for the …, 2021 - Springer
We introduce an automated, formal, counterexample-based approach to synthesise Barrier
Certificates (BC) for the safety verification of continuous and hybrid dynamical models. The …

Soft-minimum and soft-maximum barrier functions for safety with actuation constraints

P Rabiee, JB Hoagg - arXiv preprint arXiv:2305.10620, 2023 - arxiv.org
This paper presents two new control approaches for guaranteed safety (remaining in a safe
set) subject to actuator constraints (the control is in a convex polytope). The control signals …

Combining control barrier functions and behavior trees for multi-agent underwater coverage missions

Ö Özkahraman, P Ögren - 2020 59th IEEE Conference on …, 2020 - ieeexplore.ieee.org
Robot missions typically involve a number of desired objectives, such as avoiding collisions,
staying connected to other robots, gathering information using sensors and returning to the …

Puzzlebots: Physical coupling of robot swarms

S Yi, Z Temel, K Sycara - 2021 IEEE International Conference …, 2021 - ieeexplore.ieee.org
Robot swarms have been shown to improve the ability of individual robots by inter-robot
collaboration. In this paper, we present the PuzzleBots-a low-cost robotic swarm system …

Model-based dynamic shielding for safe and efficient multi-agent reinforcement learning

W Xiao, Y Lyu, J Dolan - arXiv preprint arXiv:2304.06281, 2023 - arxiv.org
Multi-Agent Reinforcement Learning (MARL) discovers policies that maximize reward but do
not have safety guarantees during the learning and deployment phases. Although shielding …

Data-driven verification and synthesis of stochastic systems via barrier certificates

A Salamati, A Lavaei, S Soudjani, M Zamani - Automatica, 2024 - Elsevier
In this work, we study verification and synthesis problems for safety specifications over
unknown discrete-time stochastic systems. When a model of the system is available, barrier …

Formal synthesis of safety controllers for unknown stochastic control systems using Gaussian process learning

R Wajid, AU Awan, M Zamani - Learning for Dynamics and …, 2022 - proceedings.mlr.press
Formal synthesis of controllers for stochastic control systems with unknown models is a
challenging problem. In this paper, we focus on safety controller synthesis for nonlinear …