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Huinan Huang, Yan Zhang, Defu Wang, Zijiang Fu, Hui Tian, Junjuan Shang, Mahmoud Helal and Zhijun Lv
The hopper is an important piece of basic equipment used for storing and transporting materials in the agricultural, grain, chemical engineering, coal mine and pharmaceutical industries. The discharging performance of hoppers is mainly affected by materi...
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Long Wang, Jianfei Xing, Xiaowei He, Xin Li, Wensong Guo, Xufeng Wang and Shulin Hou
Due to the lack of water resources, the main agricultural planting method used in the northwest region of China is plastic film mulching, with precision hole sowing performed on the film after mulching. However, conventional hole-forming devices damage t...
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Guichuan Li, Haiyu Li, Xuan Li, Zhichao Gong, Qinghua Yang, Yuxiang Huang and Zuoli Fu
Aiming at the lack of accurate and reliable discrete element simulation parameters for the design of buckwheat metering devices and seeders based on the discrete element simulation method, an accurate buckwheat seed model was obtained by calibrating the ...
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Binbin Ren, Zhaoyuxuan Wang, Kainan Ma, Yiheng Zhou and Ming Liu
Heart rate measurement employing photoplethysmography (PPG) is a prevalent technique for wearable devices. However, the acquired PPG signal is often contaminated with motion artifacts, which need to be accurately removed. In cases where the PPG and accel...
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Igor Kabashkin
With the evolution towards the interconnected future internet spanning satellites, aerial systems, terrestrial infrastructure, and oceanic networks, availability modeling becomes imperative to ensure reliable service. This paper presents a methodology to...
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Zixiao Zhu, Lichuan Zhang, Lu Liu, Dongwei Wu, Shuchang Bai, Ranzhen Ren and Wenlong Geng
Positioning errors introduced by low-precision navigation devices can affect the overall accuracy of a positioning system. To address this issue, this paper proposes a master-slave multi-AUV collaborative navigation method based on hierarchical reinforce...
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Krzysztof Achtenberg, Graziella Scandurra, Janusz Mikolajczyk, Carmine Ciofi and Zbigniew Bielecki
This paper presents the design and testing of an ultra-low-noise transimpedance amplifier (TIA) for low-frequency noise measurements on low-impedance (below 1 kO) devices, such as advanced IR photodetectors. When dealing with low-impedance devices, the m...
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Bing Liu, Renfeng Li, Xiaohan Chen, Jinlan Gou, Bangming Li and Guigao Le
This paper aims to study the influence of the structure of spray holes and throats on the flow field and the internal trajectory of the gas?steam ejection device. The compressible Navier?Stokes equations, discrete ordinate methods and RNG k-e turbulence ...
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Victor E. L. Gasparetto, Jackson Reid, William P. Parsons, Mostafa S. A. ElSayed, Mohamed Saad, Stephen Shieldand, Gary L. Brown and Lawrence M. Hilliard
This paper proposes a design procedure to determine the optimal configuration of multi-degrees of freedom (MDOF) multiple tuned mass dampers (MTMD) to mitigate the global dynamic aeroelastic response of aerospace structures. The computation of the aerody...
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Yuangeng Ding, Hua Li, Jifeng Gao, Haiming Yu, Yongjian Wang and Dinghao Feng
In order to improve the success rate of garlic sowing and the qualification rate of garlic seeds, a fingerboard-type garlic seed metering device was designed, and its parameters were optimized. First, the structure and working principles of seed-metering...
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