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Denan Zhao, Simon Cooper, Parmjit Chima, Guobin Wang, Lechun Zhang, Binshu Sun, Xuejian Zhang and Yubin Lan
Utilizing agricultural UAVs for pesticide and insecticide spraying is an effective measure for plant protection. However, achieving effective coverage on the back side of target is often challenging. To address this issue, this study combined a contact-c...
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Chunfeng Zhang, Changyuan Zhai, Meng Zhang, Chi Zhang, Wei Zou and Chunjiang Zhao
The pulse-width modulation (PWM) variable spray system is the most widely used variable spray system in the world at present, which has the characteristics of a fast response, large flow adjustment range, and good atomization. Recently, the pressure fluc...
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Chun-Gu Lee, Seung-Hwa Yu and Joong-Yong Rhee
The use of unmanned aerial spray systems (UASS) has increased owing to their many advantages. However, studies related to a standardized method to evaluate the spray performance of UASS are lacking. Therefore, in the present study, a quantitative analyti...
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Verónica Saiz-Rubio, Coral Ortiz, Antonio Torregrosa, Enrique Ortí, Montano Pérez, Andrés Cuenca and Francisco Rovira-Más
The flowrate control of spraying systems with pulse-width-modulated solenoid valves is currently being implemented for precision herbicide application in commodity crops, but solutions for fruit trees set in orchards that require higher pressures are mos...
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Jyoti Neupane, Joe Mari Maja, Gilbert Miller, Michael Marshall, Matthew Cutulle and Jun Luo
Cotton (Gossypium hirsutum L.) is an important industrial crop. It is a perennial crop and has indeterminate growth habit, however, in most parts of the United States, it is grown as an annual crop with the application of growth regulators. Defoliation i...
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Congcong Cao, Wenya Li, Zhengmao Zhang, Xiawei Yang and Yaxin Xu
Cold spray additive manufacturing (CSAM) shows great potential in titanium-alloy production as it is a solid-state process. However, data published so far have demonstrated the difficulty of producing dense and high-strength Ti alloy parts. Our previous ...
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Zhongao Lu, Lijun Qi, Hao Zhang, Junjie Wan and Jiarui Zhou
Obtaining canopy area, crown width, position, and other information from UAV aerial images and adjusting spray parameters in real-time according to this information is an important way to achieve precise pesticide application in orchards. However, the na...
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Xiaopeng Xie and Yinan Wang
This work aims to study the influence of the spraying parameters on the spray flow field and coating thickness distribution during the air spraying process. The shaping air pressure and the target geometry have an important influence on the distribution ...
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Yanli Zhang, Daniel Emil Mack, Georg Mauer and Robert Vaßen
The accurate real-time monitoring of surface or internal temperatures of thermal barrier coatings (TBCs) in hostile environments presents significant benefits to the efficient and safe operation of gas turbines. A new method for fabricating high-temperat...
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Wei Chen, Hao Liu, Yang Tang and Junjie Liu
In this paper, a new practical electrostatic rotating bell (ESRB) cumulative rate model of painting is derived, and an experimental study on painting is carried out. First, the experimental method is used to obtain the radial thickness profile function o...
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