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In this paper, a data-driven position-aided approach is proposed to reduce the training overhead in MIMO systems, by leveraging side information and on-the-field measurements. A data tensor is constructed by collecting beam-training…

信号处理 · 电气工程与系统科学 2021-04-21 Tzu-Hsuan Chou , Nicolo Michelusi , David J. Love , James V. Krogmeier

The operation and maintenance costs of wind parks make up a major fraction of a park's overall lifetime costs. They also include opportunity costs of lost revenue from avoidable power generation underperformance. We present a…

系统与控制 · 电气工程与系统科学 2020-05-04 Angela Meyer , Bernhard Brodbeck

This research article suggests that there are significant benefits in exposing demand planners to forecasting methods using matrix completion techniques. This study aims to contribute to a better understanding of the field of forecasting…

应用统计 · 统计学 2020-09-10 Rodrigo Rivera-Castro , Ivan Nazarov , Evgeny Burnaev

Building operations consume approximately 40% of global energy, with Heating, Ventilation, and Air Conditioning (HVAC) systems responsible for up to 50% of this consumption. As HVAC energy demands are expected to rise, optimising system…

机器学习 · 计算机科学 2024-12-02 Anaïs Berkes

In this paper we present a methodology appropriate for establishing a user-specific hourly-based benchmark period of energy consumption. Such values can be used as reference for explicitly calculating energy savings. The required equipment…

Compressed sensing extends from the recovery of sparse vectors from undersampled measurements via efficient algorithms to the recovery of matrices of low rank from incomplete information. Here we consider a further extension to the…

数值分析 · 数学 2014-11-04 Holger Rauhut , Reinhold Schneider , Zeljka Stojanac

Decision-making in building energy systems critically depends on the predictive accuracy of relevant time-series models. In scenarios lacking extensive data from a target building, foundation models (FMs) represent a promising technology…

Electrical energy consumption has been an ongoing research area since the coming of smart homes and Internet of Things devices. Consumption characteristics and usages profiles are directly influenced by building occupants and their…

其他计算机科学 · 计算机科学 2018-10-26 Thomas Kriechbaumer , Hans-Arno Jacobsen

In this paper, we present a novel approach to perform highly efficient numerical simulations of the heating, ventilation, and air-conditioning (HVAC) system of an electric city bus. The models for this simulation are based on the assumption…

系统与控制 · 电气工程与系统科学 2023-12-05 Fabio Widmer , Andreas Ritter , Mathias Achermann , Fabian Büeler , Joshua Bagajo , Christopher H. Onder

A significant portion of electricity consumed worldwide is used to power thermostatically controlled loads (TCLs) such as air conditioners, refrigerators, and water heaters. Because the short-term timing of operation of such systems is…

适应与自组织系统 · 物理学 2018-03-12 Walter Bomela , Anatoly Zlotnik , Jr-Shin Li

In the present paper will be discussed the problem related to the individual household electric power consumption of objects in different areas-industry, farmers, banks, hospitals, theaters, hostels, supermarkets, universities. The main…

应用统计 · 统计学 2019-03-18 V. Bondarenko , Simona Petrakieva , Ina Taralova , Desislav Andreev

In computational engineering, ensuring the integrity and safety of structures in fields such as aerospace and civil engineering relies on accurate stress prediction. However, analytical methods are limited to simple test cases, and…

计算工程、金融与科学 · 计算机科学 2025-10-31 Fabian Key , Lukas Freinberger

Thermal-aware workload distribution is a common approach in the literature for power consumption optimization in data centers. However, data centers also have other operational costs such as the cost of equipment maintenance and…

系统与控制 · 电气工程与系统科学 2023-08-25 Somayye Rostami , Douglas G. Down , George Karakostas

The recent low-rank prior based models solve the tensor completion problem efficiently. However, these models fail to exploit the local patterns of tensors, which compromises the performance of tensor completion. In this paper, we propose a…

数值分析 · 数学 2021-04-13 Liyu Su

We propose a numerical method to obtain an adequate value for the upper bound on the rank for the tensor completion problem on the variety of third-order tensors of bounded tensor-train rank. The method is inspired by the parametrization of…

最优化与控制 · 数学 2024-09-10 Charlotte Vermeylen , Guillaume Olikier , P. -A. Absil , Marc Van Barel

The main aim of this paper is to develop a framelet representation of the tensor nuclear norm for third-order tensor completion. In the literature, the tensor nuclear norm can be computed by using tensor singular value decomposition based…

图像与视频处理 · 电气工程与系统科学 2020-08-25 Tai-Xiang Jiang , Michael K. Ng , Xi-Le Zhao , Ting-Zhu Huang

Heating, Ventilation and Air Conditioning (HVAC) consumes a significant fraction of energy in commercial buildings. Hence, the use of optimization techniques to reduce HVAC energy consumption has been widely studied. Model predictive…

系统与控制 · 计算机科学 2018-10-26 Milan Jain , Rachel K Kalaimani , Srinivasan Keshav , Catherine Rosenberg

We consider the problem of determining the optimal aggregate power consumption of a population of thermostatically controlled loads. This is motivated by the problem of synthesizing the demand response for a load serving entity (LSE)…

最优化与控制 · 数学 2018-06-27 Abhishek Halder , Xinbo Geng , Fernando A. C. C. Fontes , P. R. Kumar , Le Xie

In this work, a tensor completion problem is studied, which aims to perfectly recover the tensor from partial observations. The existing theoretical guarantee requires the involved transform to be orthogonal, which hinders its applications.…

机器学习 · 计算机科学 2024-08-16 Li Ge , Lin Chen , Yudong Chen , Xue Jiang

Within the framework of building energy assessment, this article proposes to use a derivative based sensitivity analysis of heat transfer models in a building envelope. Two, global and local, estimators are obtained at low computational…

计算工程、金融与科学 · 计算机科学 2021-11-18 Ainagul Jumabekova , Julien Berger , Aurélie Foucquier