Results 1 to 10 of about 220,107 (269)

Real-time prediction models for remaining cold start time in proton exchange membrane fuel cell based on stack temperature

Case Studies in Thermal Engineering, 2023
In order to mitigate the irreversible damage caused by cold start and preserve cell performance, this paper proposes a real-time prediction method based on the remaining cold start time of the proton exchange membrane fuel cell (PEMFC).
Huiying Zhang, Yuhang Wang, Suoying He, Ming Gao   +3 more
doaj   +1 more source

Research on Automatic Generation Control with Wind Power Participation Based on Predictive Optimal 2-Degree-of-Freedom PID Strategy for Multi-area Interconnected Power System

Energies, 2018
High penetration of wind power in the modern power system renders traditional automatic generation control (AGC) methods more challenging, due to the uncertainty of the external environment, less reserve power, and small inertia constant of the power ...
Xilin Zhao, Zhenyu Lin, Bo Fu, Li He, Na Fang   +4 more
doaj   +1 more source

Development of a single LMS loop three channels analog adaptive co-site interference cancelling system

Heliyon, 2023
Co-site interference is becoming prominent on some independent platforms (e.g., airplanes, satellites, space stations, and vessels). Although many digital multichannel cancellation algorithms have been investigated, the saturation problem of the receiver
Yunhao Jiang, Minyang Li, Siqi Liu, Jixiong Xiao, Nan Zhao, Minghu Wu   +5 more
doaj   +1 more source

Investigation of insulation properties and synergistic effects in CF3I/N2 gas mixtures using the Boltzmann equation [PDF]

AIP Advances
CF3I is regarded as a highly promising substitute for SF6; however, due to its high boiling point, buffer gases such as N2 must be blended. To evaluate the feasibility of replacing SF6 and its mixtures with CF3I/N2, a comparative analysis was conducted ...
Ziyuan Wang, Jixiong Xiao, Weiye Lai, Linchuan Song, Shuai Yang   +4 more
doaj   +1 more source

Comprehensive Control Strategy for Hybrid Energy Storage System Participating in Grid Primary Frequency Regulation

Energies
The increasing integration of renewable energy sources has posed significant challenges to grid frequency stability. To maximize the advantages of energy storage in primary frequency regulation, this paper proposes a comprehensive control strategy for a ...
Haorui Jiang, Kuihua Han, Weiyu Bao, Yahui Li   +3 more
doaj   +1 more source

Aero-YOLO26: A Lightweight Detector for Small-Object Detection in UAV-Acquired Images with Collaborative Feature Optimization

Sensors
Low-altitude remote sensing utilizing unmanned aerial vehicles (UAVs) has evolved into a core pillar of the space–air–ground integrated perception architecture.
Zixiang Feng, Jiaying Li, Jialei Xu, Rui Quan   +3 more
doaj   +1 more source

Improved Charge Injection and Transport of Light-Emitting Diodes Based on Two-Dimensional Materials

Applied Sciences, 2019
Light-emitting diodes (LEDs) are considered to be the most promising energy-saving technology for future lighting and display. Two-dimensional (2D) materials, a class of materials comprised of monolayer or few layers of atoms (or unit cells), have ...
Yuanming Zhou, Sijiong Mei, Dongwei Sun, Neng Liu, Fei Mei, Jinxia Xu, Xianan Cao   +6 more
doaj   +1 more source

Fault Diagnosis of Flywheel Energy Storage System Bearing Based on Improved MOMEDA Period Extraction and Residual Neural Networks

Applied Sciences
Flywheel energy storage systems play an important role in frequency regulation and power quality control within modern power grids, yet the fault signals generated by defects in their rolling bearings are typically indistinct, making direct diagnosis ...
Guo Zhao, Ningfeng Song, Jiawen Luo, Yikang Tan, Haoqian Guo, Zhize Pan   +5 more
doaj   +1 more source

Design of Temperature Monitoring and Fault Warning System for Lithium Ternary Battery Case

Micromachines
To enhance the safety of lithium ternary battery cases in new energy vehicles, this study designed a temperature monitoring and fault warning system based on NiCr/NiSi thin-film thermocouples.
Xiyao Liu, Kuihua Han
doaj   +1 more source

A hybrid CNN–BiLSTM–AT model optimized with enhanced whale optimization algorithm for remaining useful life forecasting of fuel cell

AIP Advances
To further improve the remaining useful life forecasting accuracy of fuel cells using classic deep learning models, a convolutional neural network combining bidirectional long and short-term memory networks (BiLSTM) and attention mechanism (AT) is ...
Rui Quan, Jian Zhang, Xuerong Li, Haifeng Guo, Yufang Chang, Hang Wan   +5 more
doaj   +1 more source