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Xuhui He, Zhiyu Wang, Chao Li, Ce Gao, Yongfeng Liu, Changpeng Li and Bin Liu
This paper presents an experimental study on the box girder of a low-tower cable-stayed railway bridge with a W-shaped section that consists of prestressed concrete diagonal braces. A 1:6 scale test model was designed and constructed for the experiment. ...
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Weihua Li, Yongxi Lyu, Sifan Dai, Huakun Chen, Jingping Shi and Yongfeng Li
With recent advances in airborne weapons, air combat tends to occur in the form of beyond-visual-range (BVR) combat and multi-aircraft cooperation. Target assignment is critical in multi-aircraft BVR air combat decision-making. Most previous research on ...
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Yongfeng Li, Yongxi Lyu, Jingping Shi and Weihua Li
With the improvement of UAV performance and intelligence in recent years, it is particularly important for unmanned aerial vehicles (UAVs) to improve the ability of autonomous air combat. Aiming to solve the problem of how to improve the autonomous air c...
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Wenhai Zhao, Wanrun Li, Boyuan Fan and Yongfeng Du
The dynamic characteristics of existing wind turbine structures are usually monitored using contact sensors, which is not only expensive but also time-consuming and laborious to install. Recently, computer vision technology has developed rapidly, and mon...
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Chenglong Lian, Wei Zhao, Shumei Wang, Peng Zhang, Xiaoying Dong and Yongfeng Li
Third body plant fibers have an important influence on the friction and wear properties of metal friction pairs. In this study, wheat straw powder with different particle sizes was prepared, and a pin-on-disk friction tester was employed to evaluate the ...
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Yongfeng Tang, Kuikui Hu, Xiaomeng Li, Chaogang Liu, Yanhui Xu, Zhaoxian Zhang and Xiangwei Wu
Fungicides, including thiophanate-methyl, tebuconazole, pyraclostrobin, and difenoconazole, have been widely used as preservatives to control fungal diseases during pear storage. However, the metabolic capability of pear for exogenous compounds decreases...
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Yongfeng Qi, Huabin Mao, Xia Wang, Linhui Yu, Shumin Lian, Xianpeng Li and Xiaodong Shang
Direct microstructure observations and fine-scale measurements of an anticyclonic mesoscale eddy were conducted in the northern South China Sea in July 2020. An important finding was that suppressed turbulent mixing in the thermocline existed at the cent...
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Zemin Han, Yuanyong Dian, Hao Xia, Jingjing Zhou, Yongfeng Jian, Chonghuai Yao, Xiong Wang and Yuan Li
Land cover is an important variable of the terrestrial ecosystem that provides information for natural resources management, urban sprawl detection, and environment research. To classify land cover with high-spatial-resolution multispectral remote sensin...
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