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Because of the global need to increase power production from renewable energy resources, developments in the online monitoring of the associated infrastructure is of interest to reduce operation and maintenance costs. However, challenges…

机器学习 · 计算机科学 2025-10-29 Simon M. Brealy , Lawrence A. Bull , Pauline Beltrando , Anders Sommer , Nikolaos Dervilis , Keith Worden

The energy market relies on forecasting capabilities of both demand and power generation that need to be kept in dynamic balance. Today, when it comes to renewable energy generation, such decisions are increasingly made in a liberalized…

机器学习 · 计算机科学 2022-03-15 Odin Foldvik Eikeland , Finn Dag Hovem , Tom Eirik Olsen , Matteo Chiesa , Filippo Maria Bianchi

In hierarchical forecasting, the process of forecast reconciliation transforms a set of "base" or "raw" forecasts, which do not satisfy the hierarchical aggregation constraints in the real data, into a set of "coherent" forecasts, which do…

统计方法学 · 统计学 2026-05-29 Minh Nguyen , Farshid Vahid , Shanika L Wickramasuriya

Wind energy makes a significant contribution to global power generation. Predicting wind turbine capacity is becoming increasingly crucial for cleaner production. For this purpose, a new information priority accumulated grey model with time…

应用统计 · 统计学 2019-10-22 Jie Xia , Xin Ma , Wenqing Wu , Baolian Huang , Wanpeng Li

The increasing penetration level of energy generation from renewable sources is demanding for more accurate and reliable forecasting tools to support classic power grid operations (e.g., unit commitment, electricity market clearing or…

机器学习 · 计算机科学 2020-07-17 Michela Moschella , Mauro Tucci , Emanuele Crisostomi , Alessandro Betti

Intermittent renewable energy resources like wind and solar pose great uncertainty of multiple time scales, from minutes to years, on the design and operation of power systems. Energy system optimization models have been developed to find…

最优化与控制 · 数学 2022-04-27 Yuheng Zhang , Vivian Cheng , Dharik S. Mallapragada , Jie Song , Guannan He

Generation and load balance is required in the economic scheduling of generating units in the smart grid. Variable energy generations, particularly from wind and solar energy resources, are witnessing a rapid boost, and, it is anticipated…

机器学习 · 计算机科学 2017-04-07 Mohamed Abuella , Badrul Chowdhury

Renewable energies are deployed worldwide to mitigate climate change and push power systems towards sustainability. However, the weather-dependent nature of renewable energy sources often hinders their integration to national grids.…

物理与社会 · 物理学 2020-02-24 Fausto A. Canales , Jakub Jurasz , Alexandre Beluco , Alexander Kies

Wind power is playing an increasingly important role in electricity markets. However, it's inherent variability and uncertainty cause operational challenges and costs as more operating reserves are needed to maintain system reliability.…

最优化与控制 · 数学 2016-03-01 Yishen Wang , Zhi Zhou , Cong Liu , Audun Botterud

Accurate wind speed and direction forecasting is paramount across many sectors, spanning agriculture, renewable energy generation, and bushfire management. However, conventional forecasting models encounter significant challenges in…

机器学习 · 计算机科学 2024-07-31 Fuling Chen , Kevin Vinsen , Arthur Filoche

Time series forecasting plays an increasingly important role in modern business decisions. In today's data-rich environment, people often aim to choose the optimal forecasting model for their data. However, identifying the optimal model…

应用统计 · 统计学 2021-12-17 Xixi Li , Fotios Petropoulos , Yanfei Kang

The non-stationarity characteristic of the solar power renders traditional point forecasting methods to be less useful due to large prediction errors. This results in increased uncertainties in the grid operation, thereby negatively…

机器学习 · 计算机科学 2020-09-15 Sakshi Mishra , Praveen Palanisamy

In a growing renewable based energy system, accurate and reliable wind power forecasts are crucial for grid stability, balancing supply and demand and market risk management. Even though short-term weather forecasts have been thoroughly…

机器学习 · 计算机科学 2026-04-22 Eloi Lindas , Yannig Goude , Philippe Ciais

The forecasting of large ramps in wind power output known as ramp events is crucial for the incorporation of large volumes of wind energy into national electricity grids. Large variations in wind power supply must be compensated by…

机器学习 · 计算机科学 2022-12-01 Russell Sharp , Hisham Ihshaish , J. Ignacio Deza

Wind energy plays a critical role in the transition towards renewable energy sources. However, the uncertainty and variability of wind can impede its full potential and the necessary growth of wind power capacity. To mitigate these…

机器学习 · 计算机科学 2026-01-13 Stefan Jonas , Kevin Winter , Bernhard Brodbeck , Angela Meyer

This paper discusses the prediction of hierarchical time series, where each upper-level time series is calculated by summing appropriate lower-level time series. Forecasts for such hierarchical time series should be coherent, meaning that…

机器学习 · 计算机科学 2021-01-27 Tomokaze Shiratori , Ken Kobayashi , Yuichi Takano

Inspired from recent insights into the common ground of machine learning, optimization and decision-making, this paper proposes an easy-to-implement, but effective procedure to enhance both the quality of renewable energy forecasts and the…

最优化与控制 · 数学 2020-01-17 Miguel Á. Muñoz , Juan M. Morales , Salvador Pineda

A novel approach is applied for improving forecast accuracy and achieving coherence in forecasting the Italian daily energy generation time series. In hierarchical frameworks such as national energy generation disaggregated by geographical…

应用统计 · 统计学 2025-02-18 Daniele Girolimetto , Tommaso Di Fonzo

We introduce a dynamic approach to probabilistic forecast reconciliation at scale. Our model differs from the existing literature in this area in several important ways. Firstly we explicitly allow the weights allocated to the base…

统计方法学 · 统计学 2024-09-20 Ross Hollyman , Fotios Petropoulos , Michael E. Tipping

The future energy system will largely depend on volatile renewable energy sources and temperature-dependent loads, which makes the weather a central influencing factor. This article presents a novel approach for simulating weather scenarios…

系统与控制 · 电气工程与系统科学 2024-05-31 Jan Peper , David Kröger , Jonathan Kipp , Florian Ziel , Christian Rehtanz