中文
相关论文

相关论文: Aerodynamic force reconstruction using physics-inf…

200 篇论文

Friction modeling has always been a challenging problem due to the complexity of real physical systems. Although a few state-of-the-art structured data-driven methods show their efficiency in nonlinear system modeling, deterministic…

系统与控制 · 电气工程与系统科学 2024-05-28 Rui Dai , Giulio Evangelisti , Sandra Hirche

The decreasing cost and improved sensor and monitoring system technology (e.g. fiber optics and strain gauges) have led to more measurements in close proximity to each other. When using such spatially dense measurement data in Bayesian…

统计方法学 · 统计学 2023-08-21 Ioannis Koune , Arpad Rozsas , Arthur Slobbe , Alice Cicirello

Machine learning offers an intriguing alternative to first-principles analysis for discovering new physics from experimental data. However, to date, purely data-driven methods have only proven successful in uncovering physical laws…

流体动力学 · 物理学 2021-07-14 Patrick A. K. Reinbold , Logan M. Kageorge , Michael F. Schatz , Roman O. Grigoriev

We present a machine learning based approach to address the study of transport processes, ubiquitous in continuous mechanics, with particular attention to those phenomena ruled by complex micro-physics, impractical to theoretical…

等离子体物理 · 物理学 2022-06-16 Francesco Miniati , Gianluca Gregori

Purely data driven approaches for machine learning present difficulties when data is scarce relative to the complexity of the model or when the model is forced to extrapolate. On the other hand, purely mechanistic approaches need to…

机器学习 · 统计学 2020-03-16 Mauricio A. Álvarez , David Luengo , Neil D. Lawrence

Reconstruction of unsteady vortical flow fields from limited sensor measurements is challenging. We develop machine learning methods to reconstruct flow features from sparse sensor measurements during transient vortex-airfoil wake…

流体动力学 · 物理学 2023-06-21 Yonghong Zhong , Kai Fukami , Byungjin An , Kunihiko Taira

Accurate prediction of structural failure modes under seismic excitations is essential for seismic risk and resilience assessment. Traditional simulation-based approaches often result in imbalanced datasets dominated by non-failure or…

机器学习 · 计算机科学 2026-02-12 Jungho Kim , Taeyong Kim

Aerodynamic forces render accurate high-speed trajectory tracking with quadrotors extremely challenging. These complex aerodynamic effects become a significant disturbance at high speeds, introducing large positional tracking errors, and…

机器人学 · 计算机科学 2021-03-04 Guillem Torrente , Elia Kaufmann , Philipp Foehn , Davide Scaramuzza

Power flow analysis plays a critical role in the control and operation of power systems. The high computational burden of traditional solution methods led to a shift towards data-driven approaches, exploiting the availability of digital…

系统与控制 · 电气工程与系统科学 2024-09-17 Victor Eeckhout , Hossein Fani , Md Umar Hashmi , Geert Deconinck

Ensuring vertical separation is a key means of maintaining safe separation between aircraft in congested airspace. Aircraft trajectories are modelled in the presence of significant epistemic uncertainty, leading to discrepancies between…

计算工程、金融与科学 · 计算机科学 2023-04-04 Nick Pepper , Marc Thomas , George De Ath , Enrico Oliver , Richard Cannon , Richard Everson , Tim Dodwell

A major limitation of machine learning (ML) prediction models is that they recover associational, rather than causal, predictive relationships between variables. In high-stakes automation applications of ML this is problematic, as the model…

机器学习 · 计算机科学 2025-11-04 Jianqiao Mao , Max A. Little

A method is presented for estimating and reconstructing the sound field within a room using physics-informed neural networks. By incorporating a limited set of experimental room impulse responses as training data, this approach combines…

音频与语音处理 · 电气工程与系统科学 2024-01-03 Xenofon Karakonstantis , Diego Caviedes-Nozal , Antoine Richard , Efren Fernandez-Grande

This paper deals with modelling and reconstruction of strain fields, relying upon data generated from neutron Bragg-edge measurements. We propose a probabilistic approach in which the strain field is modelled as a Gaussian process, assigned…

数据分析、统计与概率 · 物理学 2018-11-06 Carl Jidling , Johannes Hendriks , Niklas Wahlström , Alexander Gregg , Thomas B. Schön , Christopher Wensrich , Adrian Wills

Learning-based approaches are increasingly leveraged to manage and coordinate the operation of grid-edge resources in active power distribution networks. Among these, model-based techniques stand out for their superior data efficiency and…

系统与控制 · 电气工程与系统科学 2025-05-01 Daniel Glover , Parikshit Pareek , Deepjyoti Deka , Anamika Dubey

Urban flow prediction is a spatio-temporal modeling task that estimates the throughput of transportation services like buses, taxis, and ride-sharing, where data-driven models have become the most popular solution in the past decade.…

机器学习 · 计算机科学 2024-08-07 Wei Jiang , Tong Chen , Guanhua Ye , Wentao Zhang , Lizhen Cui , Zi Huang , Hongzhi Yin

Accurate lifetime prediction of structures subjected to cyclic loading is vital, especially in scenarios involving non-uniform loading histories where load sequencing critically influences structural durability. Addressing this complexity…

数值分析 · 数学 2025-03-10 Abedulgader Baktheer , Fadi Aldakheel

Services and warranties of large fleets of engineering assets is a very profitable business. The success of companies in that area is often related to predictive maintenance driven by advanced analytics. Therefore, accurate modeling, as a…

计算工程、金融与科学 · 计算机科学 2019-01-18 Renato Giorgiani Nascimento , Felipe A. C. Viana

We present a physics-informed Gaussian Process Regression (GPR) model to predict the phase angle, angular speed, and wind mechanical power from a limited number of measurements. In the traditional data-driven GPR method, the form of the…

信号处理 · 电气工程与系统科学 2018-06-29 Ramakrishna Tipireddy , Alexandre Tartakovsky

A probabilistic machine learning model is introduced to augment the $k-\omega\ SST$ turbulence model in order to improve the modelling of separated flows and the generalisability of learnt corrections. Increasingly, machine learning methods…

计算工程、金融与科学 · 计算机科学 2023-01-24 Joel Ho , Nick Pepper , Tim Dodwell

In this work, we develop Gaussian process regression (GPR) models of hyperelastic material behavior. First, we consider the direct approach of modeling the components of the Cauchy stress tensor as a function of the components of the Finger…

机器学习 · 统计学 2019-12-24 Ari Frankel , Reese Jones , Laura Swiler