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Yu Wang, Wenhang Zhang, Xiwen Luo, Ying Zang, Ligang Ma, Wenpeng Zhang, Jiahao Liu and Shan Zeng
The air-suction precision seeder for small seeds is a planting machine, characterized by precision, high efficiency, and ease of operation, that uses air suction technology to sow small grain seeds at set intervals and depths into the soil. However, the ...
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Wei-Lung Mao, Sung-Hua Chen and Chun-Yu Kao
Gantry-type dual-axis platforms can be used to move heavy loads or perform precision CNC work. Such gantry systems drive a single axis with two linear motors, and under heavy loads, a high driving force is required. This can generate a pulling force betw...
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Shouyu Cai, Wenshang Zhou, Hongtao Wei and Mingfu Zhu
A new multi-constraint optimization model with the weighted objective function is proposed to design the multi-input-multi-output (MIMO) compliant mechanisms. The main feature of this work is that both the two notable problems related to the de facto hin...
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Xiaopeng Liu, Liangji Xu and Kun Zhang
As a green, safe, and efficient method of coal development, underground coal gasification (UCG) technology has gradually moved from the experimental stage to the industrial production stage. This technology plays one of the key roles in the sustainable d...
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Tengyun Xue, Xiuli Xue, Sichun Long, Qiunan Chen, Shide Lu and Chaofeng Zeng
Based on an actual excavation of a metro station in Tianjin, China, a fluid?solid coupling numerical model was developed to study the characteristics of groundwater flow and strata movement induced by dewatering and excavation considering the barrier eff...
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Hui Xiang, Guoce Zhang, Po Cheng, Jun Hu, Zhixin Wang and Dongling Zeng
There are stringent requirements on the vertical movement of a ground surface when using artificial ground freezing method to reinforce a shield tunnel in a city. This paper focused on the tunnel of Nanjing Metro Line Two between Yixianqiao and Daxinggon...
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Zhen Yang, Guangxue Zhang, Guozhang Fan, Yintao Lu, Dali Shao, Songfeng Liu and Weiwei Wang
The evolution and mechanisms of tectonic subsidence in the Xisha area are poorly investigated, especially the spatiotemporal distribution features and reasons for the variations in tectonic subsidence. In this study, multi-channel seismic data and strati...
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Wuxiong Weng, Changyu Wang, Guixuan Zhu, Zejun Gu, Han Tang, Jinfeng Wang and Jinwu Wang
This study is aimed at the special working conditions of seeding on sloping land, combining advanced precision seeding technology and the structure of rotary hole filling corn precision metering device seed rowers at home and abroad, and studying soil en...
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Zhixia Liu, Yongqiang Yu, Jing Wang, Zhiwei Kang, Fengyu He and Lianxing Gao
To improve its cleaning performance, the peanut sheller?s air?screen cleaning device was used as the research object, and a numerical simulation was carried out. A scheme was proposed to optimize the installation angle of the screen surface of the air?sc...
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Jiwei Luo, Xiaoqiang Liu, Xianpeng Liu, Dianjun Zuo, Xiaoyu An and Liqiang Yu
Anchorage failure of a suction anchor is more likely to occur in low-strength muddy clay. This paper focuses on the failure behaviors of suction anchors and muddy clay stress responses. The centrifugal model test was used to study the loading processes o...
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