Results 1 to 10 of about 18,162,333 (306)

Microstructure evolution and deformation mechanism of a [111]-oriented nickel-based single-crystal superalloy during high-temperature creep

Journal of Materials Research and Technology, 2022
Through creep measurement and microstructure observation, the microstructure evolution and deformation mechanism of a [111]-oriented nickel-based single-crystal superalloy at 980 °C/186 MPa were studied.
Guangyan Wang, Song Zhang, Sugui Tian, Ning Tian, Guoqi Zhao, Huajin Yan   +5 more
doaj   +1 more source

High-Temperature Creep Behavior of a Nickel-Based Single-Crystal Superalloy with Small-Angle Deviation from [111] Orientation

Advances in Materials Science and Engineering, 2022
By means of tensile creep tests and microstructure analysis, the creep behavior and deformation mechanism of a nickel-based single-crystal alloy with small-angle deviations from the [111] orientation at 1040°C/137 MPa were investigated.
Guangyan Wang, Song Zhang, Guoqi Zhao, Ning Tian, Huajin Yan, Sugui Tian, Fangwei Jin   +6 more
doaj   +1 more source

An Optimization Method of Flexible Manufacturing System Reliability Allocation Based on Two Dimension-Reduction Strategies

Machines, 2023
As increasingly extensive applications of flexible manufacturing systems (FMSs) arise, their reliability allocation has been a research hot spot. But, since FMSs are always composed of transfer and buffer devices, production machines, and complex control
Jingjing Xu, Long Tao, Yanhu Pei, Zhifeng Liu, Qiaobin Yan, Qiang Cheng   +5 more
doaj   +1 more source

Reliability Evaluation of Multi-Energy Generation and Transmission System With Offshore Wind Power-Photovoltaic-Energy Storage

发电技术, 2022
The wind-solar-load correlation model is the basis for accurately evaluating the reliability of offshore wind power-photovoltaic-energy storage grid connected system. To solve the problem of high-dimensional wind-solar-load correlation modeling, a hybrid
GAO Xiaotong, QIN Zhilong, GAO Xinyu
doaj   +1 more source

Statistical Study of Degradation of Flexible Poly-Si TFTs Under Dynamic Bending Stress

IEEE Journal of the Electron Devices Society, 2022
Degradation of flexible low-temperature poly-Si thin film transistors (TFTs) under dynamic bending cycles is investigated with statistical method. $I_{\mathrm{ ON}}$ degradation data of different bending cycles and bending conditions are compared to ...
Bin Li, Wenjuan Zhou, Yang Hu, Mengjun Du, Mingxiang Wang, Dongli Zhang, Huaisheng Wang   +6 more
doaj   +1 more source

Reliability Evaluation of Wind Power Converter Under Fault-tolerant Control Scheme with Quantification of Temperature and Humidity Effects

Journal of Modern Power Systems and Clean Energy, 2023
Wind power converter (WPC) is a key part of a wind power unit which delivers electric energy to power grid. Because of a large number of semiconductors, WPC has a high failure rate.
Xueying Yu, Bo Hu, Kaigui Xie, Changzheng Shao, Yunjie Bai, Wenyuan Li, Jinfeng Ding   +6 more
doaj   +1 more source

Network Attack Detection Method of the Cyber-Physical Power System Based on Ensemble Learning

Applied Sciences, 2022
With the rapid development of power grid informatization, the power system has evolved into a multi-dimensional heterogeneous complex system with high cyber-physical integration, denoting the Cyber-Physical Power System (CPPS).
Jie Cao, Da Wang, Qi-Ming Wang, Xing-Liang Yuan, Kai Wang, Chin-Ling Chen   +5 more
doaj   +1 more source

Reliability Evaluation Method of Multi-Voltage Levels Distribution System Considering the Influence of Sense-Control Terminal Faults

Applied Sciences, 2023
With the existing reliability evaluation methods, it is difficult to realize the overall evaluation of multi-voltage levels distribution systems, and sense-control terminal faults are not considered in the process of reliability evaluation.
Jing Zuo, Shucan Zhou, Zhengyang Xu, Chong Gao, Siguang Zheng, Peidong Chen   +5 more
doaj   +1 more source

Optimal Reliability Study of Grid-Connected PV Systems Using Evolutionary Computing Techniques

IEEE Access, 2021
Integrating renewable energy sources (RESs) into electrical power systems has gotten highly noticeable among researchers and those interested in electrical energy production due to the increase in energy demands, fossil fuel exhaustion, and ecological ...
Aiman Abd Elkader Tawfiq, Mohamed Osama Abed El-Raouf, Mohamed I. Mosaad, Amal Farouk Abdel Gawad, Mohamed Abd Elfatah Farahat   +4 more
doaj   +1 more source

Charging Load Prediction and Distribution Network Reliability Evaluation Considering Electric Vehicles’ Spatial-Temporal Transfer Randomness

IEEE Access, 2020
Integration of large-scale cluster electric vehicles (EVs) and their spatial-temporal transfer randomness are likely to affect the safety and economic operation of the distribution network.
Shan Cheng, Zhaobin Wei, Dongdong Shang, Zikai Zhao, Huiming Chen   +4 more
doaj   +1 more source