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Optimal decision-making in social settings is often based on forecasts from time series (TS) data. Recently, several approaches using deep neural networks (DNNs) such as recurrent neural networks (RNNs) have been introduced for TS…

机器学习 · 计算机科学 2020-11-17 Philippe Chatigny , Jean-Marc Patenaude , Shengrui Wang

Self-paced learning and hard example mining re-weight training instances to improve learning accuracy. This paper presents two improved alternatives based on lightweight estimates of sample uncertainty in stochastic gradient descent (SGD):…

机器学习 · 统计学 2018-01-09 Haw-Shiuan Chang , Erik Learned-Miller , Andrew McCallum

Predicting sea surface temperature (SST) within the El Ni\~no-Southern Oscillation (ENSO) region has been extensively studied due to its significant influence on global temperature and precipitation patterns. Statistical models such as…

大气与海洋物理 · 物理学 2023-06-21 Lingda Wang , Savana Ammons , Vera Mikyoung Hur , Ryan L. Sriver , Zhizhen Zhao

The prediction capability of recurrent-type neural networks is investigated for real-time short-term prediction (nowcasting) of ship motions in high sea state. Specifically, the performance of recurrent neural networks, long-short term…

流体动力学 · 物理学 2021-05-28 Danny D'Agostino , Andrea Serani , Frederick Stern , Matteo Diez

Precisely forecasting wind speed is essential for wind power producers and grid operators. However, this task is challenging due to the stochasticity of wind speed. To accurately predict short-term wind speed under uncertainties, this paper…

机器学习 · 计算机科学 2018-11-27 Sisheng Liang , Long Nguyen , Fang Jin

In deep learning, the load data with non-temporal factors are difficult to process by sequence models. This problem results in insufficient precision of the prediction. Therefore, a short-term load forecasting method based on convolutional…

信号处理 · 电气工程与系统科学 2024-09-13 Yang Cui , Han Zhu , Yijian Wang , Lu Zhang , Yang Li

Soft robots pose difficulties in terms of control, requiring novel strategies to effectively manipulate their compliant structures. Model-based approaches face challenges due to the high dimensionality and nonlinearities such as hysteresis…

Wind speed modelling and prediction has been gaining importance because of its significant roles in various stages of wind energy management. In this paper, we propose a hybrid model, based on wavelet transform to improve the accuracy of…

机器学习 · 计算机科学 2022-03-30 G. V. Drisya , K. Satheesh Kumar

The prediction of high-resolution hourly traffic volumes of a given roadway is essential for transportation planning. Traditionally, Automatic Traffic Recorders (ATR) are used to collect this hourly volume data. These large datasets are…

应用统计 · 统计学 2019-09-26 MD Zadid Khan , Sakib Mahmud Khan , Mashrur Chowdhury , Kakan Dey

Score-based generative models (SGMs) are powerful tools to sample from complex data distributions. Their underlying idea is to (i) run a forward process for time $T_1$ by adding noise to the data, (ii) estimate its score function, and (iii)…

机器学习 · 计算机科学 2024-06-06 Francesco Pedrotti , Jan Maas , Marco Mondelli

In this study, we present AttentiveGRUAE, a novel attention-based gated recurrent unit (GRU) autoencoder designed for temporal clustering and prediction of outcome from longitudinal wearable data. Our model jointly optimizes three…

机器学习 · 计算机科学 2025-11-17 Nidhi Soley , Vishal M Patel , Casey O Taylor

Ashland City, Tennessee, located within the Lower Cumberland Sycamore watershed, is highly susceptible to flooding due to increased upstream water levels. This study aimed to develop a robust flood prediction model for the city, utilizing…

机器学习 · 计算机科学 2024-05-20 George K. Fordjour , Alfred J. Kalyanapu

The emerging deep learning (DL) technology has recently exhibited great potential in data-driven short-term voltage stability (SVS) assessment of complex power grids. However, without sufficient attention to the time-varying topological…

系统与控制 · 电气工程与系统科学 2026-04-28 Chao Deng , Lipeng Zhu , Chang Liu , Hefeng Zhai , Baoye Tian , Zexiang Zhu , Jiayong Li , Cong Zhang

Globally, wind energy has lessened the burden on conventional fossil fuel based power generation. Wind resource assessment for onshore and offshore wind farms aids in accurate forecasting and analyzing nature of ramp events. From an…

信号处理 · 电气工程与系统科学 2020-12-01 Harsh S. Dhiman , Dipankar Deb

In terms of the operation of microgrids, optimal scheduling is a vital issue that must be taken into account. In this regard, this paper proposes an effective framework for optimal scheduling of renewable microgrids considering energy…

系统与控制 · 电气工程与系统科学 2022-08-10 Hossein Mohammadi , Shiva Jokar , Mojtaba Mohammadi , Abdollah Kavousifard , Morteza Dabbaghjamanesh

This paper introduces an open-source and reproducible implementation of Long Short-Term Memory (LSTM) and Gated Recurrent Unit (GRU) Networks for time series forecasting. We evaluated LSTM and GRU networks because of their performance…

机器学习 · 计算机科学 2025-04-28 Gissel Velarde , Pedro Branez , Alejandro Bueno , Rodrigo Heredia , Mateo Lopez-Ledezma

Wind power forecasting helps with the planning for the power systems by contributing to having a higher level of certainty in decision-making. Due to the randomness inherent to meteorological events (e.g., wind speeds), making highly…

机器学习 · 计算机科学 2023-01-04 Syed Kazmi , Berk Gorgulu , Mucahit Cevik , Mustafa Gokce Baydogan

The integration of renewable resources has increased in power generation as a means to reduce the fossil fuel usage and mitigate its adverse effects on the environment. However, renewables like solar energy are stochastic in nature due to…

There is growing interest in being able to run neural networks on sensors, wearables and internet-of-things (IoT) devices. However, the computational demands of neural networks make them difficult to deploy on resource-constrained edge…

机器学习 · 计算机科学 2019-02-14 Justice Amoh , Kofi Odame

A data-driven model (DDM) suitable for regional weather forecasting applications is presented. The model extends the Artificial Intelligence Forecasting System by introducing a stretched-grid architecture that dedicates higher resolution…