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Optimization Design and Experimental Study of Solid Particle Spreader for Unmanned Aerial Vehicle

文献类型： 外文期刊

作者： Zhang, Linhuan 1 ; Zhang, Ruirui 1 ; Yi, Tongchuan 1 ; Zhang, Danzhu 1 ; Ding, Chenchen 1 ; Wu, Mingqi 1 ; Noguchi, Ryozo 4 ;

作者机构： 1.Beijing Acad Agr & Forestry Sci, Res Ctr Intelligent Equipment, Beijing 100097, Peoples R China

2.Natl Res Ctr Intelligent Equipment Agr, Beijing 100097, Peoples R China

3.Natl Ctr Int Res Agr Aerial Applicat Technol, Beijing 100097, Peoples R China

4.Kyoto Univ, Grad Sch Agr, Kyoto 6068502, Japan

关键词： unmanned aerial vehicle; solid particle spreading; groove wheel parameters; discrete element method

期刊名称：DRONES （ 影响因子：4.8； 五年影响因子：5.0 ）

ISSN：

年卷期： 2024 年 8 卷 12 期

页码：

收录情况： SCI

摘要： This study designed and investigated a solid particle spreader, as well as parameter optimization and experimental for a groove wheel, to mitigate the problems of low uniformity and poor control accuracy of solid particulate material UAV spreading. The discrete element method was used to simulate and analyze the displacement range and stability of each grooved wheel at low speeds. Furthermore, orthogonal regression and response surface analyses were used to analyze the influence of each factor on the stability of the discharge rate and pulsation amplitude. The results showed that the helix angle, sharpness, and length of the groove significantly influenced the application performance, whereas the number of grooves had no significant influence. The groove shape was eccentric, the helix angle was 50 degrees, the length was 35 mm, and the number of grooves was 7. Additionally, the bench test results showed that in the range of 10-60 rpm, the relative deviation of the discharging rate between the simulation and bench test is from 0.47% to 10.39%, and the average relative deviation is 3.93%. Between the groove wheel rotation speed and discharge rate, R2 was 0.991, and the adjustable range of the discharge amount was between 3.68 and 23.43 g/s. The minimum and maximum variation coefficients of the average discharge rate among individual applicators were 1.01% and 2.79%, respectively, whereas the standard deviations were 0.09 and 0.46 g/s, respectively. In conclusion, the discharge stability and adjustable range of the spreader using the optimized groove wheel satisfied the requirements for solid particulate material discharge.

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