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Yanbin Li, Yubo Li, Kai Feng, Ke Sun and Zhichao Cheng
Setting the staged flood limit water level (FLWL) through flood season staging is an important means of fully utilizing reservoir flood resources. The widely-used Fisher optimal partition method requires a certain time domain as the basic unit in determi...
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Aidi Li, Zhijie Xu, Jianqin Zhang, Taizeng Li, Xinyue Cheng and Chaonan Hu
With the rapid growth of trajectory big data, there is a need for more efficient methods to extract, analyze, and visualize these data. However, existing research on trajectory big data visualization mainly focuses on displaying trajectories for a specif...
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Hangwen Zhang, Bochen Li, Boyang Li and Cheng Yang
A numerical method is used to evaluate the influence of propeller parameters on the aerodynamic performance of shrouded coaxial dual rotors in hover. Compared with the open-rotor configuration, the shrouded rotors reduce the tip vortex, resulting in a hi...
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Wei Zhang, Feng Li, Junlin Li and Qinkun Cheng
Space is the driving force of the world?s sustainable development, and ensuring the sustainability of human activity in space is also necessary. Robotic arm active debris capture removal (RA-ADCR) is a noteworthy technology for containing the dramatic in...
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Yufei Li, Bo Li, Xidong Zhao, Simiao Cheng, Wei Zhang and Wei Tian
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Wen-Chang Cheng, Hung-Chou Hsiao, Yung-Fa Huang and Li-Hua Li
This research proposes a single network model architecture for mask face recognition using the FaceNet training method. Three pre-trained convolutional neural networks of different sizes are combined, namely InceptionResNetV2, InceptionV3, and MobileNetV...
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Wenbo Li, Wentao Li, Lin Cheng and Shengping Gong
Space vehicles? real-time trajectory optimization is the key to future automatic guidance. Still, the current sequential convex programming (SCP) method suffers from a low convergence rate and poor real-time performance when dealing with complex obstacle...
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Xin Li, Cheng Wang, Haijuan Ju and Zhuoyue Li
Aiming at the problems of low efficiency and poor accuracy in conventional surface defect detection methods for aero-engine components, a surface defect detection model based on an improved YOLOv5 object detection algorithm is proposed in this paper. Fir...
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Kaihua Hou, Chengqi Cheng, Bo Chen, Chi Zhang, Liesong He, Li Meng and Shuang Li
As the amount of collected spatial information (2D/3D) increases, the real-time processing of these massive data is among the urgent issues that need to be dealt with. Discretizing the physical earth into a digital gridded earth and assigning an integral...
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Menghang Liu, Luning Li, Qiang Li, Yu Bai and Cheng Hu
Open public places, such as pedestrian streets, parks, and squares, are vulnerable when the pedestrians thronged into the sidewalks. The crowd count changes dynamically over time with various external factors, such as surroundings, weekends, and peak hou...
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Daoye Zhu, Chengqi Cheng, Weixin Zhai, Yihang Li, Shizhong Li and Bo Chen
Spatial object matching is one of the fundamental technologies used for updating and merging spatial data. This study focused mainly on the matching optimization of multiscale spatial polygonal objects. We proposed a granularity factor evaluation index t...
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Junhao Cheng, Zhi Wang, Hongyan Zhou, Li Li and Jian Yao
Most Simultaneous Localization and Mapping (SLAM) methods assume that environments are static. Such a strong assumption limits the application of most visual SLAM systems. The dynamic objects will cause many wrong data associations during the SLAM proces...
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Chaoqun Wang, Qiangxian Huang, Xuemeng Ding, Rongjun Cheng, Liansheng Zhang, Ruijun Li and Hongli Li
A homodyne interferometer is one of the most important tools in nanometre measurements. However, its nonlinear error seriously affects measurement accuracy at the sub-nanometre level. As one of the dominant factors that cause nonlinear error in a homodyn...
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Meng-Syue Li, Cheng-Jung Hsu, Hung-Chu Hsu and Li-Hung Tsai
The purpose of this study is to perform a numerical simulation of caisson breakwater stability concerning the effect of wave overtopping under extreme waves. A numerical model, which solves two-dimensional Reynolds-averaged Navier?Stokes equations with t...
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Yajun Li, Cheng Qian, Zhongzhi Fu and Zhuo Li
The random finite element method has been increasingly used in the geotechnical community to investigate the influence of soil spatial variability and to bridge the gap between a traditional design and a reliability-based design. There are two approaches...
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Ruiqiang Ding, Jianping Li, Yu-heng Tseng, Lijuan Li, Cheng Sun and Fei Xie
Using the reanalysis data and the numerical experiments of a coupled general circulation model (CGCM), we illustrated that perturbations in the second dominant mode (EOF2) of springtime North Pacific sea surface temperature (SST) variability, referred to...
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Yiben Cheng, Yanli Li, Hongbin Zhan, Hairong Liang, Wenbin Yang, Yinming Zhao and Taojia Li
Irrigated farmland is the main food source of desert areas, and moisture is the main limiting factor of desert farmland crop productivity. Study on the influence of irrigation on desert farmland soil moisture can guide the agricultural water resource uti...
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Yiben Cheng, Yanli Li, Hongbin Zhan, Hairong Liang, Wenbin Yang, Yinming Zhao and Taojia Li
Irrigated farmland is the main food source of desert areas, and moisture is the main limiting factor of desert farmland crop productivity. Study on the influence of irrigation on desert farmland soil moisture can guide the agricultural water resource uti...
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Liang Cheng, Sensen Chu, Wenwen Zong, Shuyi Li, Jie Wu and Manchun Li
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Gang Li, Chen-Xi Liu, Sheng-Li Liao and Chun-Tian Cheng
Forecasting long-term power production of small hydropower (SHP) plants is of great significance for coordinating with large-medium hydropower (LHP) plants. Accurate forecasting can solve the problems of waste-water and abandoned electricity and ensure t...
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