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Energies, Volume 17, Issue 1

January-1 2024 - 274 articles

Cover Story: The focus of this work is to generate passive transfer function (TF) matrices that model the radiation forces for WEC arrays. The intended use is real-time control design. Presented here is a passivity-based approach to estimate radiation force TFs that accurately replace the convolution operation in the Cummins equation while preserving the physical properties of the radiation function. A two-stage numerical optimization is used: (i) fitting a radiation damping TF matrix to the system’s radiation frequency response, and (ii) by enforcing and increasing the passivity index. This approach ensures a high degree of match with the radiation function without degrading its passivity characteristics. The approach was assessed by (i) the accuracy of the LTI systems in approximating the TF matrix and (ii) the stability of the overall system. View this paper
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Articles (274)

  • Article
  • Open Access
6 Citations
3,233 Views
18 Pages

4 January 2024

Promoting green transportation development in the context of electric–carbon market synergy can help promote sustainable transport and tackle climate change. The sharing economy has given rise to innovative and successful business models in rec...

  • Article
  • Open Access
7 Citations
2,338 Views
20 Pages

New Power System Planning and Evolution Path with Multi-Flexibility Resource Coordination

  • Xuejun Li,
  • Jiaxin Qian,
  • Changhai Yang,
  • Boyang Chen,
  • Xiang Wang and
  • Zongnan Jiang

4 January 2024

With the continuous development of large-scale wind and photovoltaic power worldwide, the net load fluctuation of systems is increasing, thereby imposing higher demands for power supply assurance and new energy consumption capacity within emerging po...

  • Article
  • Open Access
14 Citations
3,624 Views
18 Pages

4 January 2024

In this study, an improved adaptive robust unscented Kalman Filter (ARUKF) is proposed for an accurate state-of-charge (SOC) estimation of battery management system (BMS) in electric vehicles (EV). The extended Kalman Filter (EKF) algorithm is first...

  • Article
  • Open Access
4 Citations
2,709 Views
13 Pages

Experimental Study of Evaporation Characteristics of Acoustically Levitated Fuel Droplets at High Temperatures

  • Bin Pang,
  • Guangcan Yang,
  • Xiaoxin Liu,
  • Yu Huang,
  • Wanli Li,
  • Yongqing He,
  • Zhongyuan Shi,
  • Zhaochu Yang and
  • Tao Dong

4 January 2024

Examining fuel droplet evaporation is crucial for enhancing fuel engine efficiency, conserving energy, and reducing emissions. This study utilizes experimental methods involving ultrasonic standing wave levitation and high-speed cameras to investigat...

  • Article
  • Open Access
5 Citations
1,687 Views
26 Pages

4 January 2024

A high proportion of renewable generators are widely integrated into the power system. Due to the output uncertainty of renewable energy, the demand for flexible resources is greatly increased in order to meet the real-time balance of the system. But...

  • Article
  • Open Access
7 Citations
3,104 Views
19 Pages

Economic Feasibility Study of the Production of Biogas, Coke and Biofuels from the Organic Fraction of Municipal Waste Using Pyrolysis

  • Benedito Franciano Ferreira Rodrigues,
  • Anderson Rocha Amaral,
  • Fernanda Paula da Costa Assunção,
  • Lucas Pinto Bernar,
  • Marcelo Costa Santos,
  • Neyson Martins Mendonça,
  • José Almir Rodrigues Pereira,
  • Douglas Alberto Rocha de Castro,
  • Sergio Duvoisin and
  • Pablo Henrique Ataide Oliveira
  • + 2 authors

4 January 2024

The objective of this study is to analyze the economic viability of municipal household solid waste (organic matter + paper) for the production of gas, coke and biofuel through the pyrolysis and distillation process. The waste was collected in the ci...

  • Article
  • Open Access
5 Citations
2,596 Views
31 Pages

The Effect of Internal Combustion Engine Nozzle Needle Profile on Fuel Atomization Quality

  • Oleh Klyus,
  • Marcin Szczepanek,
  • Grzegorz Kidacki,
  • Paweł Krause,
  • Sławomir Olszowski and
  • Leszek Chybowski

4 January 2024

This article presents the results of research on the impact of changing the cross-section of an atomizer’s flow channel, which is caused by changing the flow geometry of the passive part of the needle on the drop diameter distribution of the fu...

  • Article
  • Open Access
5 Citations
2,037 Views
15 Pages

4 January 2024

The integration of a renewable energy and hybrid energy storage system (HESS) into electrified railways to build an electric railway smart microgrid system (ERSMS) is beneficial for reducing fossil fuel consumption and minimizing energy waste. Howeve...

  • Article
  • Open Access
4 Citations
1,992 Views
13 Pages

4 January 2024

As researchers and ultimately deployers of energy decarbonisation solutions, we collectively see significant but often siloed efforts that in isolation may appear as an appropriate solution to an aspect of energy decarbonisation. However, when system...

  • Article
  • Open Access
4 Citations
2,157 Views
15 Pages

4 January 2024

Short-term wind power forecasting has difficult problems due to the very large variety of speeds of the wind, which is a key factor in producing energy. From the point of view of the whole country, an important problem is predicting the total impact...

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Energies - ISSN 1996-1073