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Qiang Cheng, Yong Cao, Zhifeng Liu, Lingli Cui, Tao Zhang and Lei Xu
The computer numerically controlled (CNC) system is the key functional component of CNC machine tool control systems, and the servo drive system is an important part of CNC systems. The complex working environment will lead to frequent failure of servo d...
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Yifeng Yang, Jingshuai Luan, Jing Nie, Xin Zhang, Jiong Du, Gang Zhao, Lei Dong, Yong Fan, He Cui and Yubo Li
In the past, due to improper sludge treatment technology and the absence of treatment standards, some municipal sludge was simply dewatered and then sent to landfills, occupying a significant amount of land and posing a serious threat of secondary pollut...
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Lei Liu, Yong Sun, Min Ji, Huimeng Wang and Jiantao Liu
The three-dimensional (3D) geological voxel model is essential for numerical simulation and resource calculation. However, it can be challenging due to the point in polygon test in 3D voxel modeling. The commonly used Winding number algorithm requires th...
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Qi Liu, Juanmian Lei, Yong Yu and Jintao Yin
The bending deformation can affect the lateral force of spinning projectiles with large aspect ratios, thus interfering with their flight stability. Based on the established spin?deformation coupling motion model, the unsteady Reynolds averaged Navier?St...
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Qi Liu, Juanmian Lei, Yong Yu and Jintao Yin
Obvious aeroelastic deformation occurs in spinning projectiles with large slenderness ratio, which seriously affects flight stability and maneuverability. This paper investigates the aeroelastic response of spinning projectiles with large slenderness rat...
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Shanshan Hou, Yugui Yang, Yong Chen, Dawei Lei and Chengzheng Cai
The existence of fracture flow has an undesirable effect on the creation of the frozen wall. Brine and liquid nitrogen combined freezing technology can ensure the safety of freezing engineering, reduce the construction period and save cost. Considering t...
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Lei Liu, Yong Zhang, Yue Hu, Yongming Wang, Jingyi Sun and Xiaoxiao Dong
A hybrid-clustering model is presented for the probabilistic characterization of ship traffic and anomaly detection. A hybrid clustering model was proposed to increase the efficiency of trajectory clustering in the port area and analyze the maritime traf...
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Long Qian, Yuanzhou Zheng, Lei Li, Yong Ma, Chunhui Zhou and Dongfang Zhang
Ship position prediction plays a key role in the early warning and safety of inland waters and maritime navigation. Ship pilots must have in-depth knowledge of the future position of their ship and target ship in a specific time period when maneuvering t...
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Lei Li, Tao Chen, Shuo Ti, Shi-Han Wang, Jia-Jun Song, Chun-Lin Cai, Yong-Hua Liu, Wen Li and Jing Luo
The variability in the atmospheric electric field is modulated by a combination of solar activities, meteorological activities, and geological conditions. A foundational dataset of the daily variations in the fair-weather atmospheric electric field is es...
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Xiaolong Lei, Wencheng Wu, Cheng Chang, Tao Li, Zhonglin Zhou, Jinyue Guo, Peixu Zhu, Jianfeng Hu, Hong Cheng, Wei Zhou, Fei Deng, Yong Chen, Yongcheng Wu and Wanjun Ren
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