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Meili Wang, Ye Tian, Shengfa Yang and Pingyi Wang
This study combined the characteristics of rock mass structure, channel characteristics of main and tributary rivers, and flow conditions in the Three Gorges Reservoir area of the Yangtze River and designed and constructed a three-dimensional granular ro...
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Peng Xue, Qing Li and Guodong Fu
Aiming at the current complex problem of the mechanized high-quality picking of tender tea buds, this paper designs a tender tea bud-picking manipulator. In the picking process, the quality of the petiole and leaf blade of the tender tea bud is crucial, ...
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Chunmeng Jiang, Jinhua Lv, Lei Wan, Jianguo Wang, Bin He and Gongxing Wu
The classic S-plane control method combines PD structure with fuzzy control theory, with the advantages of a simple control structure and fewer parameters to be adjusted. It has been proved as a practical method in an autonomous underwater vehicle (AUV) ...
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Hongfen Bai, Bo Yu and Wei Gu
With the increasing use of electric propulsion ships, the emergence of the shaftless rim-driven thruster (RDT) as a revolutionary integrated motor thruster is gradually becoming an important development direction for green ships. The shaftless structure ...
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Wenping Luo, Weiqin Liu, Meng Yang, Shuo Chen, Xuemin Song and Weiguo Wu
Operating Offshore Floating Vertical Axis Wind Turbines (OF-VAWT) have the potential to perform well in the deep-sea area. Some researchers gave performance prediction by developing simplified computing models. However, these models have imperfections in...
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Lauren?iu Constantin Vladu?oiu, Georgiana Chisiu, Andrei Tudor, Nicolae-Valentin Vladu?, Lucian Fechete Tutunaru, Eugen Marin and Iulia-Andrea Grigore
This paper presents the interaction system within the mechanical soil processing process, consisting of two large elements, the metal of the tool and the soil. Due to the two main forces acting on the chisel knives?friction and impact with the sandy soil...
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Mingyu Zhang, Fei Gao, Wuping Yang and Haoran Zhang
In this paper, we propose a wildlife detection algorithm based on improved YOLOv5s by combining six real wildlife images of different sizes and forms as datasets. Firstly, we use the RepVGG model to simplify the network structure that integrates the idea...
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Yufang Wang and Nannan Wang
The effects of projectile rotation on the internal and external flow fields of the supersonic fluidic element are numerically studied using sliding grid technique and the RNG k-e turbulence model. The effects of rotating speed on internal and external fl...
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Ji Liang, Hongguang Jia, Mao-Sheng Chen, Ling-Bo Kong, Huiying Hu and Lihong Guo
In this study, a dynamic model of a solar array drive system that includes a pair of flexible solar arrays with a central rigid shaft and a permanent-magnet synchronous motor (PMSM) was developed, and a disturbance compensation sliding mode control (DCSM...
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Min Chai, Changbin Hu and Mingyue Cheng
Compaction directly affects concrete?s strength and durability. In this paper, the relationship between vibration parameters and compactness is modeled by using colored aggregates and image methods to analyze the compactness of concrete characterized by ...
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