Multibody dynamics and control using machine learning

A Hashemi, G Orzechowski, A Mikkola… - Multibody System …, 2023 - Springer
Artificial intelligence and mechanical engineering are two mature fields of science that
intersect more and more often. Computer-aided mechanical analysis tools, including …

Neural networks with physics-informed architectures and constraints for dynamical systems modeling

F Djeumou, C Neary, E Goubault… - … for Dynamics and …, 2022 - proceedings.mlr.press
Effective inclusion of physics-based knowledge into deep neural network models of
dynamical systems can greatly improve data efficiency and generalization. Such a priori …

Parameterized physics-informed neural networks for parameterized PDEs

W Cho, M Jo, H Lim, K Lee, D Lee, S Hong… - arXiv preprint arXiv …, 2024 - arxiv.org
Complex physical systems are often described by partial differential equations (PDEs) that
depend on parameters such as the Reynolds number in fluid mechanics. In applications …

Online dynamics learning for predictive control with an application to aerial robots

TZ Jiahao, KY Chee, MA Hsieh - Conference on Robot …, 2023 - proceedings.mlr.press
In this work, we consider the task of improving the accuracy of dynamic models for model
predictive control (MPC) in an online setting. Although prediction models can be learned …

GRAFENNE: learning on graphs with heterogeneous and dynamic feature sets

S Gupta, S Manchanda, S Ranu… - … on Machine Learning, 2023 - proceedings.mlr.press
Graph neural networks (GNNs), in general, are built on the assumption of a static set of
features characterizing each node in a graph. This assumption is often violated in practice …

MBD-NODE: physics-informed data-driven modeling and simulation of constrained multibody systems

J Wang, S Wang, HM Unjhawala, J Wu… - Multibody System …, 2024 - Springer
We describe a framework that can integrate prior physical information, eg, the presence of
kinematic constraints, to support data-driven simulation in multibody dynamics. Unlike other …

Variational learning of Euler–Lagrange dynamics from data

S Ober-Blöbaum, C Offen - Journal of Computational and Applied …, 2023 - Elsevier
The principle of least action is one of the most fundamental physical principle. It says that
among all possible motions connecting two points in a phase space, the system will exhibit …

Learning discrete Lagrangians for variational PDEs from data and detection of travelling waves

C Offen, S Ober-Blöbaum - International Conference on Geometric …, 2023 - Springer
The article shows how to learn models of dynamical systems from data which are governed
by an unknown variational PDE. Rather than employing reduction techniques, we learn a …

Learning integrable dynamics with action-angle networks

A Daigavane, A Kosmala, M Cranmer, T Smidt… - arXiv preprint arXiv …, 2022 - arxiv.org
Machine learning has become increasingly popular for efficiently modelling the dynamics of
complex physical systems, demonstrating a capability to learn effective models for dynamics …

Designing Mechanical Meta-Materials by Learning Equivariant Flows

M Mirramezani, AS Meeussen, K Bertoldi… - arXiv preprint arXiv …, 2024 - arxiv.org
Mechanical meta-materials are solids whose geometric structure results in exotic nonlinear
behaviors that are not typically achievable via homogeneous materials. We show how to …