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We demonstrate that a deep learning emulator for chaotic systems can forecast phenomena absent from training data. Using the Kuramoto-Sivashinsky and beta-plane turbulence models, we evaluate the emulator through scenarios probing the…

机器学习 · 计算机科学 2025-03-03 Ira J. S. Shokar , Peter H. Haynes , Rich R. Kerswell

Data imbalance in training data often leads to biased predictions from trained models, which in turn causes ethical and social issues. A straightforward solution is to carefully curate training data, but given the enormous scale of modern…

计算机视觉与模式识别 · 计算机科学 2024-04-26 Moon Ye-Bin , Nam Hyeon-Woo , Wonseok Choi , Nayeong Kim , Suha Kwak , Tae-Hyun Oh

When neural networks are used to model dynamics, properties such as stability of the dynamics are generally not guaranteed. In contrast, there is a recent method for learning the dynamics of autonomous systems that guarantees global…

机器学习 · 计算机科学 2022-03-21 Kenji Kashima , Ryota Yoshiuchi , Yu Kawano

Many robotic tasks, such as human-robot interactions or the handling of fragile objects, require tight control and limitation of appearing forces and moments alongside sensible motion control to achieve safe yet high-performance operation.…

机器人学 · 计算机科学 2023-03-09 Janine Matschek , Johanna Bethge , Rolf Findeisen

Time-delayed feedback control, attributed to Pyragas (1992 Physics Letters 170(6) 421-428), is a method known to stabilise periodic orbits in low dimensional chaotic dynamical systems. A system of the form…

流体动力学 · 物理学 2022-01-21 Dan Lucas , Tatsuya Yasuda

This article addresses the challenge of adapting data-based models over time. We propose a novel two-fold modelling architecture designed to correct plant-model mismatch caused by two types of uncertainty. Out-of-domain uncertainty arises…

系统与控制 · 电气工程与系统科学 2025-07-17 Laura Boca de Giuli , Alessio La Bella , Riccardo Scattolini

We present a deep neural network for a model-free prediction of a chaotic dynamical system from noisy observations. The proposed deep learning model aims to predict the conditional probability distribution of a state variable. The Long…

机器学习 · 计算机科学 2017-10-05 Kyongmin Yeo

Motivated by recently emerging problems in machine learning and statistics, we propose data models which relax the familiar i.i.d. assumption. In essence, we seek to understand what it means for data to come from a set of probability…

统计理论 · 数学 2025-01-08 Christian Fröhlich , Robert C. Williamson

Machine learning and deep learning techniques are contributing much to the advancement of science. Their powerful predictive capabilities appear in numerous disciplines, including chaotic dynamics, but they miss understanding. The main…

综合文献 · 计算机科学 2021-09-15 Miguel A. F. Sanjuan

Measures of wealth and production have been found to scale superlinearly with the population of a city. Therefore, it makes economic sense for humans to congregate together in dense settlements. A recent model of population dynamics showed…

物理与社会 · 物理学 2016-12-28 James PL Tan

Scientific machine learning for inferring dynamical systems combines data-driven modeling, physics-based modeling, and empirical knowledge. It plays an essential role in engineering design and digital twinning. In this work, we primarily…

机器学习 · 计算机科学 2024-01-09 Pawan Goyal , Igor Pontes Duff , Peter Benner

The recent advancements in Deep Learning models and techniques have led to significant strides in performance across diverse tasks and modalities. However, while the overall capabilities of models show promising growth, our understanding of…

人工智能 · 计算机科学 2025-04-04 Erik Arakelyan

Strong nonlinear effects combined with diffusive coupling may give rise to unpredictable evolution in spatially extended deterministic dynamical systems even in the presence of a fully negative spectrum of Lyapunov exponents. This regime,…

混沌动力学 · 物理学 2009-11-07 F. Ginelli , R. Livi , A. Politi

Systems exhibiting nonlinear dynamics, including but not limited to chaos, are ubiquitous across Earth Sciences such as Meteorology, Hydrology, Climate and Ecology, as well as Biology such as neural and cardiac processes. However, System…

机器学习 · 计算机科学 2020-08-14 Nishant Yadav , Sai Ravela , Auroop R. Ganguly

A hallmark of chaotic dynamics is the loss of information with time. Although information loss is often expressed through a connection to Lyapunov exponents -- valid in the limit of high information about the system state -- this picture…

机器学习 · 计算机科学 2022-10-26 Kieran A. Murphy , Dani S. Bassett

Reinforcement Learning has applications in field of mechatronics, robotics, and other resource-constrained control system. Problem of resource allocation is primarily solved using traditional predefined techniques and modern deep learning…

机器学习 · 计算机科学 2021-06-18 Neel Gandhi , Shakti Mishra

Despite an artificial intelligence-assisted modeling of disordered crystals is a widely used and well-tried method of new materials design, the issues of its robustness, reliability, and stability are still not resolved and even not…

计算物理 · 物理学 2024-11-08 Fedor S. Avilov , Roman A. Eremin , Semen A. Budennyy , Innokentiy S. Humonen

Many real-world systems are characterized by stochastic dynamical rules where a complex network of interactions among individual elements probabilistically determines their state. Even with full knowledge of the network structure and of the…

物理与社会 · 物理学 2018-05-15 Filippo Radicchi , Claudio Castellano

Integrated Assessment Models (IAMs) are pivotal tools that synthesize knowledge from climate science, economics, and policy to evaluate the interactions between human activities and the climate system. They serve as essential instruments…

综合经济学 · 经济学 2025-11-04 Yongyang Cai

Predicting the economy's short-term dynamics -- a vital input to economic agents' decision-making process -- often uses lagged indicators in linear models. This is typically sufficient during normal times but could prove inadequate during…

综合经济学 · 经济学 2024-05-21 James T. E. Chapman , Ajit Desai