使用自主小型车辆的多作物播种机3D打印新型计量机构的开发

IF 2.1 Q2 ENGINEERING, MULTIDISCIPLINARY Inventions Pub Date : 2023-05-09 DOI:10.3390/inventions8030069
Arkar Minn, R. M. R. D. Abeyrathna, Victor Massaki Nakaguchi, T. Ahamed
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引用次数: 0

摘要

由于缺乏适当的播种机,亚洲发展中国家广泛使用人工播种法。农业部门目前面临劳动力短缺和劳动力成本高的问题,特别是广播和移植作业的季节性劳动力短缺。然而,发展中国家小农采用现有播种机的主要制约因素是初始购买成本高。因此,为小农开发当地可获得的商业技术是一项迫切需要。在这方面,尝试开发一种新的低成本3D打印播种机,当与自动地形车辆集成时,可用于多作物种子播撒作业。提出了一种新的种子播撒计量机制,该机制可在自主地形车辆上进行电子控制。利用基于实时运动学-全球导航卫星系统(RTK-GNSS)的位置传感器记录位置信息。以0.351 ms−1的车速观察效果最好,其变异系数(CV)分别为青豆19%、豇豆22%和鹰嘴豆25%。所研制的播种机能在不同转速范围内播撒多种作物的种子,并能电子调节播种机的播种率。因此,可以使用3D打印制造的原型播种机与小型自动驾驶汽车一起实施,以帮助劳动力补充并执行不同种子的播种机。
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Development of a 3D Printed New Metering Mechanism for a Multi-Crop Seed Broadcasting System Using an Autonomous Small-Scale Vehicle
Developing countries in Asia widely use manual seed broadcasting methods due to a lack of appropriate seeding machinery. The agricultural sector is currently facing labor shortages and high labor costs, especially seasonal labor shortages for broadcasting and transplanting operations. However, the primary constraint in adopting existing broadcasting seeders for small-scale farmers in developing countries is the high initial purchase costs. Therefore, developing locally commercial accessible technology for small-scale farmers is an urgent requirement. In this regard, attempt was taken to develop a new low-cost 3D printed seeder that can be used for multi-crop seed broadcasting operations when integrated with an autonomous terrain vehicle. A new seed metering mechanism was proposed for seed broadcasting that can be controlled electronically from the autonomous terrain vehicle. Positional sensors based on the real time kinematics—global navigation satellite system (RTK-GNSS) were used to record positional information. The best observation was noted at a vehicle operational speed of 0.351 ms−1 and had a coefficient of variation (CV) referring to the distribution uniformity of seeds of 19% for green peas, 22% for cowpeas, and 25% for chickpeas. The developed seeder could spread multi-crop seeds and adjust the seed rates electronically at the different ranges of rotational speeds. Therefore, the use of 3D printed fabricated prototype seed broadcasting units with small-scale autonomous vehicles can be implemented to help in labor supplements and perform the broadcasting of different seeds.
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来源期刊
Inventions
Inventions Engineering-Engineering (all)
CiteScore
4.80
自引率
11.80%
发文量
91
审稿时长
12 weeks
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