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This study investigates wireless information and energy transfer for dual-hop amplify-and-forward full-duplex relaying systems. By forming energy efficiency (EE) maximization problem into a concave fractional program of transmission power,…

信息论 · 计算机科学 2015-11-03 Hongwu Liu , Kyeong Jin Kim , H. Vincent Poor , Kyung Sup Kwak

With the exploitation of wind power, more turbines will be deployed at remote areas possibly with harsh working conditions (e.g., offshore wind farm). The adverse working environment may lead to massive operating and maintenance costs of…

系统与控制 · 电气工程与系统科学 2020-09-24 Hwei-Ming Chung , Sabita Maharjan , Yan Zhang , Frank Eliassen , Tingting Yuan

Cross-flow turbine (known as vertical-axis wind turbines or ``VAWTs'' in wind) blades encounter a relatively undisturbed inflow for the first half of each rotational cycle (``upstream sweep'') and then pass through their own wake for the…

流体动力学 · 物理学 2025-01-24 Abigale Snortland , Aidan Hunt , Owen Williams , Brian Polagye

Wind energy resource assessment typically requires numerical models, but such models are too computationally intensive to consider multi-year timescales. Increasingly, unsupervised machine learning techniques are used to identify a small…

机器学习 · 统计学 2023-02-14 Mariana C A Clare , Simon C Warder , Robert Neal , B Bhaskaran , Matthew D Piggott

RadioWeaves network operates a large number of distributed antennas using cell-free architecture to provide high data rates and support a large number of users. Operating this network in an energy-efficient manner in the limited available…

信息论 · 计算机科学 2022-08-10 Zakir Hussain Shaik , Rimalapudi Sarvendranath , Erik G. Larsson

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

This work develops power control algorithms for energy efficiency (EE) maximization (measured in bit/Joule) in wireless networks. Unlike previous related works, minimum-rate constraints are imposed and the signal-to-interference-plus-noise…

信息论 · 计算机科学 2016-04-20 Alessio Zappone , Luca Sanguinetti , Giacomo Bacci , Eduard Jorswieck , Mérouane Debbah

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

A simple step and search control strategy for extracting maximum output power from grid connected Variable Speed Wind Energy Conversion System (VSWECS) is implemented in this work. This system consists of a variable speed wind turbine…

系统与控制 · 计算机科学 2014-03-25 V. Karthikeyan , V. J. Vijayalakshmi , P. Jeyakumar

Mobile edge computing (MEC) and wireless power transfer (WPT) are two promising techniques to enhance the computation capability and to prolong the operational time of low-power wireless devices that are ubiquitous in Internet of Things.…

信号处理 · 电气工程与系统科学 2018-07-19 Fuhui Zhou , Yongpeng Wu , Rose Qingyang Hu , Yi Qian

Wind power integration is an essential problem for modern power industry. In this paper, we develop a novel bilevel mixed integer optimization model to investigate wind power generation planning problem in an electricity market environment…

最优化与控制 · 数学 2017-01-13 Yifan Wang , Shixin Liu , Bo Zeng

Wind farm control using dynamic concepts is a research topic that is receiving an increasing amount of interest. The main concept of this approach is that dynamic variations of the wind turbine control settings lead to higher wake…

系统与控制 · 电气工程与系统科学 2020-04-09 Joeri Alexis Frederik , Bart Matthijs Doekemeijer , Sebastiaan Paul Mulders , Jan-Willem van Wingerden

We analyze a way to make flight vehicles harvest energy from homogeneous turbulence by fast tracking in the way that falling inertial particles do. Mean airspeed increases relative to flight through quiescent fluid when turbulent eddies…

流体动力学 · 物理学 2023-06-22 Scott A. Bollt , Gregory P. Bewley

We discuss non-ideal torque control in wind turbine systems (WTS). Most high-level controllers generate a reference torque which is then send to the underlying electrical drive system (generator+inverter) of the WTS to steer the…

系统与控制 · 计算机科学 2016-02-04 Christoph M. Hackl , Korbinian Schechner

Validating engineering wake models under real-world operational conditions is essential for improving wind farm performance predictions. This study uses a unique dataset from the Lillgrund offshore wind farm, collected during the Horizon…

This paper considers controlled scalar systems relying on a lossy wireless feedback channel. In contrast with the existing literature, the focus is not on the system controller but on the wireless transmit power controller that is…

系统与控制 · 电气工程与系统科学 2022-05-30 Yifei Sun , Samson Lasaulce , Michel Kieffer , Romain Postoyan , Dragan Nešić

Straight-bladed cross-flow turbines are computationally explored for harvesting energy in wind and water currents. One challenge for cross-flow turbines is the transient occurrence of high apparent angles of attack on the blades that…

流体动力学 · 物理学 2021-03-31 Mukul Dave , Benjamin Strom , Abigale Snortland , Owen Williams , Brian Polagye , Jennifer A. Franck

A convex formulation is proposed for optimal energy management in aircraft with hybrid propulsion systems consisting of gas turbine and electric motor components. By combining a point-mass aircraft dynamical model with models of electrical…

最优化与控制 · 数学 2020-05-06 Martin Doff-Sotta , Mark Cannon , Marko Bacic

Ocean wave energy is a source of renewable energy that has gained much attention for its potential to contribute significantly to meeting the global energy demand. In this research, we investigate the problem of maximising the energy…

神经与进化计算 · 计算机科学 2019-07-09 Mehdi Neshat , Bradley Alexander , Nataliia Sergiienko , Markus Wagner

Active flow control is applied to improve the aerodynamic performance of a NACA0018 airfoil operating as a single-bladed vertical axis wind turbine (VAWT). Results computed by wall-resolved large-eddy simulations (LES) highlight the…

流体动力学 · 物理学 2025-07-14 Lucas Feitosa de Souza , Renato Fuzaro Miotto , William Roberto Wolf