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The increasing installation rate of wind power poses great challenges to the global power system. In order to ensure the reliable operation of the power system, it is necessary to accurately forecast the wind speed and power of the wind…

Machine Learning · Computer Science 2023-06-21 Yang Yang , Jin Lang , Jian Wu , Yanyan Zhang , Xiang Zhao

Cooling system plays a critical role in a modern data center (DC). Developing an optimal control policy for DC cooling system is a challenging task. The prevailing approaches often rely on approximating system models that are built upon the…

Artificial Intelligence · Computer Science 2018-07-19 Yuanlong Li , Yonggang Wen , Kyle Guan , Dacheng Tao

Wind energy has been rapidly gaining popularity as a means for combating climate change. However, the variable nature of wind generation can undermine system reliability and lead to wind curtailment, causing substantial economic losses to…

Machine Learning · Computer Science 2023-04-06 Jinhao Li , Changlong Wang , Hao Wang

Increasing wind turbines (WT) penetration and low carbon demand can potentially lead to two different flow peaks, generation and load, within distribution networks. This will not only constrain WT penetration but also pose serious threats…

Optimization and Control · Mathematics 2018-02-13 Xiao Yanchi , Bruce Vargas , Mohammd Hamdi

In this paper, we investigate an energy cost minimization problem for a smart home in the absence of a building thermal dynamics model with the consideration of a comfortable temperature range. Due to the existence of model uncertainty,…

Systems and Control · Electrical Eng. & Systems 2019-12-20 Liang Yu , Weiwei Xie , Di Xie , Yulong Zou , Dengyin Zhang , Zhixin Sun , Linghua Zhang , Yue Zhang , Tao Jiang

A commonly applied method to reduce the cost of wind energy, is alleviating the periodic loads on turbine blades using Individual Pitch Control (IPC). In this paper, a data-driven IPC methodology called Subspace Predictive Repetitive…

Systems and Control · Computer Science 2018-09-13 Joeri Frederik , Lars Kröger , Gert Gülker , Jan-Willem van Wingerden

Harmonic pollution may damage the electric devices in wind power plants (WPPs), and propagate to the external grid. This paper proposes a harmonic mitigation scheme by embedding harmonic control functions in wind turbines (WTs) to manage…

Systems and Control · Electrical Eng. & Systems 2020-06-16 Qiupin Lai , Chengxi Liu , Liangzhong Yao

The combination of energy harvesting (EH), cognitive radio (CR), and non-orthogonal multiple access (NOMA) is a promising solution to improve energy efficiency and spectral efficiency of the upcoming beyond fifth generation network (B5G),…

Information Theory · Computer Science 2021-09-21 Zhaoyuan Shi , Xianzhong Xie , Huabing Lu , Helin Yang , Jun Cai , Zhiguo Ding

This paper presents a novel safe reinforcement learning algorithm for strategic bidding of Virtual Power Plants (VPPs) in day-ahead electricity markets. The proposed algorithm utilizes the Deep Deterministic Policy Gradient (DDPG) method to…

Systems and Control · Electrical Eng. & Systems 2023-09-13 Ognjen Stanojev , Lesia Mitridati , Riccardo de Nardis di Prata , Gabriela Hug

In this paper we address the growing concerns of wind power integration from the perspective of power system dynamics and stability. We propose a new retrofit control technique where an additional controller is designed at the doubly-fed…

Systems and Control · Computer Science 2017-02-23 Tomonori Sadamoto , Aranya Chakrabortty , Takayuki Ishizaki , Jun-ichi Imura

The integration of single-phase distributed generations (DG) and unbalanced loads to three-phase DGs brings challenges to the operating system of the microgrids (MGs). These challenges include unbalanced voltage and unequal power flow at…

Systems and Control · Electrical Eng. & Systems 2021-04-12 Mehmet Emin Akdogan , Sara Ahmed

Ensuring the stability of power systems is gaining more attraction today than ever before, due to the rapid growth of uncertainties in load and renewable energy penetration. Lately, wide area measurement system-based centralized controlling…

Systems and Control · Electrical Eng. & Systems 2020-01-23 Yousaf Hashmy , Zhe Yu , Di Shi , Yang Weng

Individual Pitch Control (IPC) is an effective control strategy to mitigate the blade loads on large-scale wind turbines. Since IPC usually requires high pitch actuation, the safety constraints of the pitch actuator should be taken into…

Systems and Control · Electrical Eng. & Systems 2021-04-12 Yichao Liu , Riccardo M. G. Ferrari , Jan-Willem van Wingerden

This paper proposes to use stochastic conic programming to address the challenge of large-scale wind power integration to the power system. Multiple wind farms are connected through the voltage source converter (VSC) based multi-terminal DC…

Systems and Control · Electrical Eng. & Systems 2021-08-31 Zhao Yuan , Mohammad Reza Hesamzadeh , Sonja Wogrin , Mohamadreza Baradar

Dynamic wind farm control is a new strategy that aims to apply time-varying, often periodic, control signals on upstream wind turbines to increase the wake mixing behind the turbine. As a result, wake recovery is accelerated, leading to a…

Systems and Control · Electrical Eng. & Systems 2020-12-30 Joeri Frederik , Bart Doekemeijer , Sebastiaan Mulders , Jan-Willem van Wingerden

This study introduces a resource allocation framework for integrated satellite-terrestrial networks to address these challenges. The framework leverages local cache pool deployments and non-orthogonal multiple access (NOMA) to reduce time…

To meet the ever increasing mobile traffic demand in 5G era, base stations (BSs) have been densely deployed in radio access networks (RANs) to increase the network coverage and capacity. However, as the high density of BSs is designed to…

Networking and Internet Architecture · Computer Science 2021-01-22 Qiong Wu , Xu Chen , Zhi Zhou , Liang Chen , Junshan Zhang

Pumping water using multiple energy sources is the ideal solution for supplying of potable water in isolated or arid areas. In this paper, an effective control and energy management strategy for a stand-alone photovoltaic-batteries water…

This paper formulates a stochastic optimal control problem for linear networked control systems featuring stochastic packet disordering with a unique stabilizing solution certified. The problem is solved by proposing reinforcement learning…

Systems and Control · Electrical Eng. & Systems 2023-12-13 Wenqian Xue , Yi Jiang , Frank L. Lewis , Bosen Lian

Dynamic induction control is a wind farm flow control strategy that utilises wind turbine thrust variations to accelerate breakdown of the aerodynamic wake and improve downstream turbine performance. However, when floating wind turbines are…

Optimization and Control · Mathematics 2023-03-28 Maarten J. van den Broek , Daniel van den Berg , Benjamin Sanderse , Jan-Willem van Wingerden