Crowd dynamics: Modeling and control of multiagent systems

X Gong, M Herty, B Piccoli… - Annual Review of Control …, 2023 - annualreviews.org
This review aims to present recent developments in modeling and control of multiagent
systems. A particular focus is set on crowd dynamics characterized by complex interactions …

Learning optimal feedback operators and their sparse polynomial approximations

K Kunisch, D Vásquez-Varas, D Walter - Journal of Machine Learning …, 2023 - jmlr.org
A learning based method for obtaining feedback laws for nonlinear optimal control problems
is proposed. The learning problem is posed such that the open loop value function is its …

QRnet: Optimal regulator design with LQR-augmented neural networks

T Nakamura-Zimmerer, Q Gong… - IEEE Control Systems …, 2020 - ieeexplore.ieee.org
In this letter we propose a new computational method for designing optimal regulators for
high-dimensional nonlinear systems. The proposed approach leverages physics-informed …

Approximation of compositional functions with ReLU neural networks

Q Gong, W Kang, F Fahroo - Systems & Control Letters, 2023 - Elsevier
The power of DNN has been successfully demonstrated on a wide variety of high-
dimensional problems that cannot be solved by conventional control design methods. These …

Approximating optimal feedback controllers of finite horizon control problems using hierarchical tensor formats

M Oster, L Sallandt, R Schneider - SIAM Journal on Scientific Computing, 2022 - SIAM
Controlling systems of ordinary differential equations is ubiquitous in science and
engineering. For finding an optimal feedback controller, the value function and associated …

Data-driven tensor train gradient cross approximation for hamilton–jacobi–bellman equations

S Dolgov, D Kalise, L Saluzzi - SIAM Journal on Scientific Computing, 2023 - SIAM
A gradient-enhanced functional tensor train cross approximation method for the resolution of
the Hamilton–Jacobi–Bellman (HJB) equations associated with optimal feedback control of …

Gradient-augmented supervised learning of optimal feedback laws using state-dependent Riccati equations

G Albi, S Bicego, D Kalise - IEEE Control Systems Letters, 2021 - ieeexplore.ieee.org
A supervised learning approach for the solution of large-scale nonlinear stabilization
problems is presented. A stabilizing feedback law is trained from a dataset generated from …

Neural network optimal feedback control with guaranteed local stability

T Nakamura-Zimmerer, Q Gong… - IEEE Open Journal of …, 2022 - ieeexplore.ieee.org
Recent research shows that supervised learning can be an effective tool for designing near-
optimal feedback controllers for high-dimensional nonlinear dynamic systems. But the …

A fast iterative PDE-based algorithm for feedback controls of nonsmooth mean-field control problems

C Reisinger, W Stockinger, Y Zhang - arXiv preprint arXiv:2108.06740, 2021 - arxiv.org
A PDE-based accelerated gradient algorithm is proposed to seek optimal feedback controls
of McKean-Vlasov dynamics subject to nonsmooth costs, whose coefficients involve mean …

Offline supervised learning vs online direct policy optimization: A comparative study and a unified training paradigm for neural network-based optimal feedback control

Y Zhao, J Han - Physica D: Nonlinear Phenomena, 2024 - Elsevier
This work is concerned with solving neural network-based feedback controllers efficiently for
optimal control problems. We first conduct a comparative study of two prevalent approaches …