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相关论文: Physics-Incorporated Convolutional Recurrent Neura…

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We propose a physics-constrained convolutional neural network (PC-CNN) to solve two types of inverse problems in partial differential equations (PDEs), which are nonlinear and vary both in space and time. In the first inverse problem, we…

流体动力学 · 物理学 2024-12-03 Daniel Kelshaw , Luca Magri

Model-based feedforward control improves tracking performance of motion systems, provided that the model describing the inverse dynamics is of sufficient accuracy. Model sets, such as neural networks (NNs) and physics-guided neural networks…

系统与控制 · 电气工程与系统科学 2022-04-04 Max Bolderman , Mircea Lazar , Hans Butler

Physics-informed deep learning models have emerged as powerful tools for learning dynamical systems. These models directly encode physical principles into network architectures. However, systematic benchmarking of these approaches across…

We introduce a deep residual recurrent neural network (DR-RNN) as an efficient model reduction technique for nonlinear dynamical systems. The developed DR-RNN is inspired by the iterative steps of line search methods in finding the residual…

计算工程、金融与科学 · 计算机科学 2017-09-05 J. Nagoor Kani , Ahmed H. Elsheikh

We propose a new method for spatio-temporal forecasting on arbitrarily distributed points. Assuming that the observed system follows an unknown partial differential equation, we derive a continuous-time model for the dynamics of the data…

机器学习 · 计算机科学 2022-03-18 Marten Lienen , Stephan Günnemann

Recent works exploring deep learning application to dynamical systems modeling have demonstrated that embedding physical priors into neural networks can yield more effective, physically-realistic, and data-efficient models. However, in the…

神经与进化计算 · 计算机科学 2020-11-30 Elliott Skomski , Jan Drgona , Aaron Tuor

Tracking performance of physical-model-based feedforward control for interventional X-ray systems is limited by hard-to-model parasitic nonlinear dynamics, such as cable forces and nonlinear friction. In this paper, these nonlinear dynamics…

系统与控制 · 电气工程与系统科学 2023-03-29 Johan Kon , Naomi de Vos , Dennis Bruijnen , Jeroen van de Wijdeven , Marcel Heertjes , Tom Oomen

The predictive learning of spatiotemporal sequences aims to generate future images by learning from the historical context, where the visual dynamics are believed to have modular structures that can be learned with compositional subsystems.…

机器学习 · 计算机科学 2022-04-12 Yunbo Wang , Haixu Wu , Jianjin Zhang , Zhifeng Gao , Jianmin Wang , Philip S. Yu , Mingsheng Long

Accurate long-term forecasting of spatiotemporal dynamics remains a fundamental challenge across scientific and engineering domains. Existing machine learning methods often neglect governing physical laws and fail to quantify inherent…

Recent work has focused on data-driven learning of the evolution of unknown systems via deep neural networks (DNNs), with the goal of conducting long term prediction of the dynamics of the unknown system. In many real-world applications,…

机器学习 · 计算机科学 2022-06-07 Victor Churchill , Dongbin Xiu

Physics-informed neural networks allow models to be trained by physical laws described by general nonlinear partial differential equations. However, traditional architectures struggle to solve more challenging time-dependent problems due to…

计算物理 · 物理学 2022-02-28 Benjamin Wu , Oliver Hennigh , Jan Kautz , Sanjay Choudhry , Wonmin Byeon

Harnessing data to discover the underlying governing laws or equations that describe the behavior of complex physical systems can significantly advance our modeling, simulation and understanding of such systems in various science and…

机器学习 · 计算机科学 2021-11-17 Zhao Chen , Yang Liu , Hao Sun

Learning long-term behaviors in chaotic dynamical systems, such as turbulent flows and climate modelling, is challenging due to their inherent instability and unpredictability. These systems exhibit positive Lyapunov exponents, which…

混沌动力学 · 物理学 2025-04-02 Xiaoyuan Cheng , Yi He , Yiming Yang , Xiao Xue , Sibo Cheng , Daniel Giles , Xiaohang Tang , Yukun Hu

Identifying accurate dynamic models is required for the simulation and control of various technical systems. In many important real-world applications, however, the two main modeling approaches often fail to meet requirements: first…

机器学习 · 计算机科学 2021-04-19 Manuel A. Roehrl , Thomas A. Runkler , Veronika Brandtstetter , Michel Tokic , Stefan Obermayer

In recent years, the researches about solving partial differential equations (PDEs) based on artificial neural network have attracted considerable attention. In these researches, the neural network models are usually designed depend on…

神经与进化计算 · 计算机科学 2024-05-21 Bo Zhang , Chao Yang

Accurately modeling quadrotor's system dynamics is critical for guaranteeing agile, safe, and stable navigation. The model needs to capture the system behavior in multiple flight regimes and operating conditions, including those producing…

机器人学 · 计算机科学 2022-10-10 Alessandro Saviolo , Guanrui Li , Giuseppe Loianno

Information on natural phenomena and engineering systems is typically contained in data. Data can be corrupted by systematic errors in models and experiments. In this paper, we propose a tool to uncover the spatiotemporal solution of the…

流体动力学 · 物理学 2023-06-21 Daniel Kelshaw , Luca Magri

We introduce a novel recurrent neural network (RNN) approach to account for temporal dynamics and dependencies in brain networks observed via functional magnetic resonance imaging (fMRI). Our approach directly parameterizes temporal…

神经与进化计算 · 计算机科学 2018-08-28 R Devon Hjelm , Eswar Damaraju , Kyunghyun Cho , Helmut Laufs , Sergey M. Plis , Vince Calhoun

Leveraging physical knowledge described by partial differential equations (PDEs) is an appealing way to improve unsupervised video prediction methods. Since physics is too restrictive for describing the full visual content of generic…

计算机视觉与模式识别 · 计算机科学 2020-03-18 Vincent Le Guen , Nicolas Thome

In scientific and engineering domains, modeling high-dimensional complex systems governed by partial differential equations (PDEs) remains challenging in terms of physical consistency and numerical stability. However, existing approaches,…

天体物理仪器与方法 · 物理学 2026-03-03 Siqi Wang , Mengmeng Zhang , Yude Bu , Chaozhou Mou