Results 11 to 20 of about 369,802 (257)

Tracking error analysis of primary mirror in Linear Fresnel heat collecting field [PDF]

E3S Web of Conferences, 2021
Aiming at the tracking error of the primary mirror in the Linear Fresnel concentrated light and heat field, according to the structural characteristics of the Linear Fresnel concentrating and heat collecting system, the analysis model of the system ...
ZhiYong Zhang, LingGang Kong, DuoJin Fan, XiaoMing Yao   +3 more
doaj   +1 more source

Research on wind-storage coordinated frequency regulation strategy of high permeability wind power connected to regional power grid

Energy Reports, 2023
With the increasing penetration of wind power in the power system, the proportion of wind turbines in the power system is increasing, replacing the traditional units, which reduces the inertia constant of the system and the reserve capacity of frequency ...
Chunxue Wen, Jiaxing Mo, Jianlin Li, Jinghua Zhou, Peng Wang   +4 more
doaj   +1 more source

Research on Equalization Strategy Based on Credibility Factor Inference for Lithium-Ion Battery Packs

IEEE Access, 2022
In this paper, a two-stage equalization topology based on Zero-Voltage Switching Quasi-Resonant Converter (ZVS QRC) is proposed to solve the problems of long equalization time and low energy utilization of series lithium-ion battery packs.
Li Liao, Heng Chen, Shu Sun, Hongguang Li, Jiuchun Jiang, Tiezhou Wu   +5 more
doaj   +1 more source

Li-Ion Battery State of Health Estimation Based on Short Random Charging Segment and Improved Long Short-Term Memory

IET Signal Processing, 2023
Lithium-ion batteries have been used in a wide range of applications, including electrochemical energy storage and electrical transportation. In order to ensure safe and stable battery operation, the State of Health (SOH) needs to be accurately estimated.
Aina Tian, Zhe Chen, Zhuangzhuang Pan, Chen Yang, Yuqin Wang, Kailang Dong, Yang Gao, Jiuchun Jiang   +7 more
doaj   +1 more source

Optimal Planning Method for Power System Line Impedance Based on a Comprehensive Stability Margin

IEEE Access, 2021
With the increasing scale of power systems and the large-scale application of new energy technologies, the planning and construction of future power grids and the stable operation of systems face severe challenges.
Dahu Li, Shuai Yang, Wentao Huang, Jun He, Zhijun Yuan, Jinman Yu   +5 more
doaj   +1 more source

Shallow and deep feature fusion for digital audio tampering detection

EURASIP Journal on Advances in Signal Processing, 2022
Digital audio tampering detection can be used to verify the authenticity of digital audio. However, most current methods use standard electronic network frequency (ENF) databases for visual comparison analysis of ENF continuity of digital audio or ...
Zhifeng Wang, Yao Yang, Chunyan Zeng, Shuai Kong, Shixiong Feng, Nan Zhao   +5 more
doaj   +1 more source

Spatial and temporal learning representation for end-to-end recording device identification

EURASIP Journal on Advances in Signal Processing, 2021
Deep learning techniques have achieved specific results in recording device source identification. The recording device source features include spatial information and certain temporal information.
Chunyan Zeng, Dongliang Zhu, Zhifeng Wang, Minghu Wu, Wei Xiong, Nan Zhao   +5 more
doaj   +1 more source

Reliability Modeling and Evaluation of Urban Multi-Energy Systems: A Review of the State of the Art and Future Challenges

IEEE Access, 2020
Urban multi-energy systems (UMESs) are integrated energy systems (IESs) which can alleviate the current energy crisis, improve energy utilization and realize multi-energy complementarity of modern.
Jun He, Zhijun Yuan, Xiaoling Yang, Wentao Huang, Yicong Tu, Yi Li   +5 more
doaj   +1 more source

A SE-DenseNet-LSTM model for locomotion mode recognition in lower limb exoskeleton [PDF]

PeerJ Computer Science
Locomotion mode recognition in humans is fundamental for flexible control in wearable-powered exoskeleton robots. This article proposes a hybrid model that combines a dense convolutional network (DenseNet) and long short-term memory (LSTM) with a channel
Jing Tang, Lun Zhao, Minghu Wu, Zequan Jiang, Jiaxun Cao, Xiang Bao   +5 more
doaj   +2 more sources

Improved Efficiency of Perovskite Light-Emitting Diodes Using a Three-Step Spin-Coated CH₃NH₃PbBr₃ Emitter and a PEDOT:PSS/MoO₃-Ammonia Composite Hole Transport Layer

Micromachines, 2019
High efficiency perovskite light-emitting diodes (PeLEDs) using PEDOT:PSS/MoO3-ammonia composite hole transport layers (HTLs) with different MoO3-ammonia ratios were prepared and characterized. For PeLEDs with one-step spin-coated CH3NH3PbBr3 emitter, an
Yuanming Zhou, Sijiong Mei, Dongwei Sun, Neng Liu, Wuxing Shi, Jiahuan Feng, Fei Mei, Jinxia Xu, Yan Jiang, Xianan Cao   +9 more
doaj   +1 more source