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Jianfeng Zhu, Guochen Huang, Maoguang Xu, Ming Liu, Bo Diao and Po Li
Combined with the development trend of high speed generators and the high voltage of DC microgrids in high-power series hybrid aero propulsion system, a set of hybrid systems with a power of 200 kW, voltage of 540 V, and speed of 21,000 r/min is establis...
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Lili Yang, Changlong Wang, Jianfeng Yu, Nan Xu and Dongwei Wang
Peanuts are prone to insect damage, breakage, germination, mildew, and other defects, which makes the quality of peanuts uneven. The difference in peanut pod quality makes the price and economic benefit also have a big difference. The classification of p...
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Rui Tang, Chengjin Qin, Mengmeng Zhao, Shuang Xu, Jianfeng Tao and Chengliang Liu
Due to factors such as uneven guide rails and airflow disturbance in the hoistway, high-speed elevators may experience significant vibrations during operation. This paper proposes an optimized fractional-order PID (FOPID) method to suppress vibrations of...
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Yong Chen, Yuhan Li, Jianfeng Yao, Guohui Shen, Wenjuan Lou, Haiwei Xu and Yong Guo
To achieve a comprehensive understanding of a three-dimensional (3D) wind field and the speed-up phenomenon in a downburst wind flow over a 3D hilly terrain, a succession of laboratory tests utilizing 12 hill models with cosine-squared cross-section was ...
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Ting Liu, Fadi Li, Jianfeng Xu, Jing Wang, Zhenfeng Shen, Fan Zhang, Jiaqi Wang and Chen Zheng
The effect of mannan oligosaccharides (MOS) on health, growth performance, fatty acids deposition, serum, and urine metabolites, as well as the correlation between differential metabolites and other indexes, were investigated in Hu lambs. In total, 30 se...
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Jinchao Xu, Qiong Chen, Yun Li, Jianxu Zhou, Jianfeng An, Xiujun Yan and Yan Guo
Generally, the operation of the horizontally-framed miter gate in a ship lock should consider the effects of hydrodynamic resistance. If over-filling or over-emptying exists and the miter gate opens with reverse head, the hydrodynamic resistance will inc...
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