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Although federated learning has achieved many breakthroughs recently, the heterogeneous nature of the learning environment greatly limits its performance and hinders its real-world applications. The heterogeneous data, time-varying wireless…

机器学习 · 计算机科学 2023-02-22 Jingxin Li , Toktam Mahmoodi , Hak-Keung Lam

Obtaining predictive low-order models is a central challenge in fluid dynamics. Data-driven frameworks have been widely used to obtain low-order models of aerodynamic systems; yet, resulting models tend to yield predictions that grow…

Geometrical shape of airfoils, together with the corresponding flight conditions, are crucial factors for aerodynamic performances prediction. The obtained airfoils geometrical features in most existing approaches (e.g., geometrical…

机器学习 · 计算机科学 2022-06-27 Yu Xiang , Guangbo Zhang , Liwei Hu , Jun Zhang , Wenyong Wang

Multifidelity uncertainty propagation combines the efficiency of low-fidelity models with the accuracy of a high-fidelity model to construct statistical estimators of quantities of interest. It is well known that the effectiveness of such…

统计计算 · 统计学 2026-01-06 James E. Warner , Geoffrey F. Bomarito , Gianluca Geraci , Michael S. Eldred

This paper presents a novel machine-learning framework for reconstructing low-order gust-encounter flow field and lift coefficients from sparse, noisy surface pressure measurements. Our study thoroughly investigates the time-varying…

机器学习 · 计算机科学 2025-06-25 Hanieh Mousavi , Jeff D. Eldredge

Data assimilation presents computational challenges because many high-fidelity models must be simulated. Various deep-learning-based surrogate modeling techniques have been developed to reduce the simulation costs associated with these…

机器学习 · 计算机科学 2022-12-28 Su Jiang , Louis J. Durlofsky

Data-driven machine-learning for predicting instantaneous and future fault-slip in laboratory experiments has recently progressed markedly due to large training data sets. In Earth however, earthquake interevent times range from 10's-100's…

地球物理 · 物理学 2022-01-19 Kun Wang , Christopher W. Johnson , Kane C. Bennett , Paul A. Johnson

Over-the-Air Federated Learning (OTA-FL) is a privacy-preserving distributed learning mechanism, by aggregating updates in the electromagnetic channel rather than at the server. A critical research gap in existing OTA-FL research is the…

机器学习 · 计算机科学 2025-05-14 Jinsheng Yuan , Zhuangkun Wei , Weisi Guo

Modern container ships face higher wind loads due to increased windage areas, making accurate predictions of wind loads essential for mooring design. Existing empirical models, largely developed for container ships with smaller windage…

机器学习 · 计算机科学 2026-04-28 Matilde Fiore , Andrea Bresciani , Miguel Alfonso Mendez , Jeroen van Beeck

This article presents an original methodology for the prediction of steady turbulent aerodynamic fields. Due to the important computational cost of high-fidelity aerodynamic simulations, a surrogate model is employed to cope with the…

流体动力学 · 物理学 2019-12-05 Romain Dupuis , Jean-Christophe Jouhaud , Pierre Sagaut

Over-the-air computation (AirComp) has recently been identified as a prominent technique to enhance communication efficiency of wireless federated learning (FL). This letter investigates the impact of channel state information (CSI)…

信息论 · 计算机科学 2023-07-25 Jiacheng Yao , Zhaohui Yang , Wei Xu , Dusit Niyato , Xiaohu You

We address the problem of maintaining resource availability in a networked multi-robot team performing distributed tracking of unknown number of targets in an environment of interest. Based on our model, robots are equipped with sensing and…

机器人学 · 计算机科学 2020-04-16 Ragesh K. Ramachandran , Nicole Fronda , Gaurav S. Sukhatme

This paper presents a method for Bayesian multi-robot peer-to-peer data fusion where any pair of autonomous robots hold non-identical, but overlapping parts of a global joint probability distribution, representing real world inference tasks…

机器人学 · 计算机科学 2023-03-07 Ofer Dagan , Nisar R. Ahmed

To meet the requirements for managing unauthorized UAVs in the low-altitude economy, a multi-modal UAV trajectory prediction method based on the fusion of LiDAR and millimeter-wave radar information is proposed. A deep fusion network for…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Yuan Gao , Xinyu Guo , Wenjing Xie , Zifan Wang , Hongwen Yu , Gongyang Li , Shugong Xu

Fusion learning refers to synthesizing inferences from multiple sources or studies to provide more effective inference and prediction than from any individual source or study alone. Most existing methods for synthesizing inferences rely on…

统计方法学 · 统计学 2020-11-16 Dungang Liu , Regina Y. Liu , Minge Xie

Over-the-air computation (AirComp), as a data aggregation method that can improve network efficiency by exploiting the superposition characteristics of wireless channels, has received much attention recently. Meanwhile, the orthogonal time…

信息论 · 计算机科学 2024-03-27 Dongkai Zhou , Jing Guo , Siqiang Wang , Zhong Zheng , Zesong Fei , Weijie Yuan , Xinyi Wang

The accurate prediction of flow fields around airfoils is crucial for aerodynamic design and optimisation. Computational Fluid Dynamics (CFD) models are effective but computationally expensive, thus inspiring the development of surrogate…

机器学习 · 计算机科学 2025-11-19 Kenechukwu Ogbuagu , Sepehr Maleki , Giuseppe Bruni , Senthil Krishnababu

Machine learning (ML) methods, which fit to data the parameters of a given parameterized model class, have garnered significant interest as potential methods for learning surrogate models for complex engineering systems for which…

机器学习 · 统计学 2024-07-03 Elizabeth Qian , Dayoung Kang , Vignesh Sella , Anirban Chaudhuri

Multi-fidelity Kriging model is a promising technique in surrogate-based design as it can balance the model accuracy and cost of sample preparation by fusing low- and high-fidelity data. However, the cost for building a multi-fidelity…

机器学习 · 计算机科学 2023-01-03 Youwei He , Jinliang Luo

The design and optimization of cryogenic propellant storage tanks for NASA's future space missions require fast and accurate predictions of long-term fluid behaviors. Computational fluid dynamics (CFD) techniques are high-fidelity but…

流体动力学 · 物理学 2025-04-28 Qiyun Cheng , Huihua Yang , Shanbin Shi , Wei Ji