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Thermal errors in machine tools significantly impact machining precision and productivity. Traditional thermal error correction/compensation methods rely on measured temperature-deformation fields or on transfer functions. Most existing…

机器学习 · 计算机科学 2025-10-07 C. Coelho , M. Hohmann , D. Fernández , L. Penter , S. Ihlenfeldt , O. Niggemann

Poor air quality has become an increasingly critical challenge for many metropolitan cities, which carries many catastrophicphysical and mental consequences on human health and quality of life. However, accurately monitoring and forecasting…

信号处理 · 电气工程与系统科学 2020-02-03 Qi Zhang , Jacqueline CK Lam , Victor OK Li , Yang Han

Merging satellite and gauge data with machine learning produces high-resolution precipitation datasets, but uncertainty estimates are often missing. We addressed the gap of how to optimally provide such estimates by benchmarking six…

Long Short-Term Memory (LSTM) is a well-known method used widely on sequence learning and time series prediction. In this paper we deployed stacked LSTM model in an application of weather forecasting. We propose a 2-layer spatio-temporal…

机器学习 · 计算机科学 2018-11-16 Zahra Karevan , Johan A. K. Suykens

Accurately forecasting long-term atmospheric variables remains a defining challenge in meteorological science due to the chaotic nature of atmospheric systems. Temperature data represents a complex superposition of deterministic cyclical…

机器学习 · 计算机科学 2026-01-14 Shreyas Rajeev , Karthik Mudenahalli Ashoka , Amit Mallappa Tiparaddi

We propose a neural network approach to produce probabilistic weather forecasts from a deterministic numerical weather prediction. Our approach is applied to operational surface temperature outputs from the Global Deterministic Prediction…

大气与海洋物理 · 物理学 2025-04-07 David Landry , Anastase Charantonis , Claire Monteleoni

Space weather forecasting is critical for mitigating radiation risks in space exploration and protecting Earth-based technologies from geomagnetic disturbances. This paper presents the development of a Machine Learning (ML)- ready data…

太阳与恒星天体物理 · 物理学 2025-02-13 Maher A Dayeh , Michael J Starkey , Subhamoy Chatterjee , Heather Elliott , Samuel Hart , Kimberly Moreland

Forecasting meteorological variables is challenging due to the complexity of their processes, requiring advanced models for accuracy. Accurate precipitation forecasts are vital for society. Reliable predictions help communities mitigate…

Geomagnetic storms (GSTs) driven by solar wind-magnetosphere coupling can severely disrupt technological systems, motivating the need for improved prediction accuracy and longer warning times. In this study, we develop a physics-informed…

太阳与恒星天体物理 · 物理学 2025-12-29 Zongyuan Ge , Chenwaner Zhang , Wei Zhou , Hongyu Zeng , Guiping Zhou

We propose a super-resolution (SR) simulation system that consists of a physics-based meteorological simulation and an SR method based on a deep convolutional neural network (CNN). The CNN is trained using pairs of high-resolution (HR) and…

大气与海洋物理 · 物理学 2019-12-10 Ryo Onishi , Daisuke Sugiyama , Keigo Matsuda

Advancements in numerical weather prediction models have accelerated, fostering a more comprehensive understanding of physical phenomena pertaining to the dynamics of weather and related computing resources. Despite these advancements,…

大气与海洋物理 · 物理学 2021-11-04 Alqamah Sayeed , Yunsoo Choi , Jia Jung , Yannic Lops , Ebrahim Eslami , Ahmed Khan Salman

This paper is based on a machine learning project at the Norwegian University of Science and Technology, fall 2020. The project was initiated with a literature review on the latest developments within time-series forecasting methods in the…

机器学习 · 计算机科学 2021-05-17 Christian Bakke Vennerød , Adrian Kjærran , Erling Stray Bugge

With the highly demand of large-scale and real-time weather service for public, a refinement of short-time cloudage prediction has become an essential part of the weather forecast productions. To provide a weather-service-compliant cloudage…

计算机视觉与模式识别 · 计算机科学 2019-05-21 Chao Tan , Xin Feng , Jianwu Long , Li Geng

The emergence of Long Short-Term Memory (LSTM) solves the problems of vanishing gradient and exploding gradient in traditional Recurrent Neural Networks (RNN). LSTM, as a new type of RNN, has been widely used in various fields, such as text…

机器学习 · 计算机科学 2022-10-18 Sida Xing , Feihu Han , Suiyang Khoo

Solar irradiance forecasts can be dynamic and unreliable due to changing weather conditions. Near the Arctic circle, this also translates into a distinct set of further challenges. This work is forecasting solar irradiance with Norwegian…

机器学习 · 计算机科学 2025-01-20 Niklas Erdmann , Lars Ø. Bentsen , Roy Stenbro , Heine N. Riise , Narada Warakagoda , Paal Engelstad

Numerical Weather Prediction (NWP), is widely used in precipitation forecasting, based on complex equations of atmospheric motion requires supercomputers to infer the state of the atmosphere. Due to the complexity of the task and the huge…

信号处理 · 电气工程与系统科学 2020-01-10 Xinyu Xiao , Qiuming Kuang , Shiming Xiang , Junnan Hu , Chunhong Pan

This paper presents a deep learning architecture for nowcasting of precipitation almost globally every 30 min with a 4-hour lead time. The architecture fuses a U-Net and a convolutional long short-term memory (LSTM) neural network and is…

机器学习 · 计算机科学 2024-02-06 Reyhaneh Rahimi , Praveen Ravirathinam , Ardeshir Ebtehaj , Ali Behrangi , Jackson Tan , Vipin Kumar

This paper presents an algorithm that relies on a series of dense and deep neural networks for passive microwave retrieval of precipitation. The neural networks learn from coincidences of brightness temperatures from the Global…

机器学习 · 计算机科学 2022-12-06 Reyhaneh Rahimi , Sajad Vahedizadeh , Ardeshir Ebtehaj

Accurate velocity estimation is key to vehicle control. While the literature describes how model-based and learning-based observers are able to estimate a vehicle's velocity in normal driving conditions, the challenge remains to estimate…

机器人学 · 计算机科学 2023-04-03 Agapius Bou Ghosn , Marcus Nolte , Philip Polack , Arnaud de La Fortelle , Markus Maurer

Streamflow forecasting is key to effectively managing water resources and preparing for the occurrence of natural calamities being exacerbated by climate change. Here we use the concept of fast and slow flow components to create a new…

机器学习 · 计算机科学 2021-07-14 Miguel Paredes Quiñones , Maciel Zortea , Leonardo S. A. Martins