一种紧凑而廉价的激光杂草控制装置的概念

I. Rakhmatulin, C. Andreasen
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引用次数: 21

摘要

一种相对便宜的激光除草装置的原型被开发出来,并在躺椅草(Elytrigia repens, L.)上进行了测试。Desv。(如涅夫斯基)和西红柿混合。采用三种激光(0.3 W、1 W和5 W),训练神经网络识别杂草植物,激光制导系统估计杂草的坐标。开发了一种算法来估计伤害杂草所需的能量。我们还为除草装置开发了一个决策模型。破坏植株所需的能量取决于植株的直径,而直径又与植株的长度有关。1 W激光照射时间过长,不能完全清除杂草。5w激光效率更高,但如果激光束在除草过程中分裂成两束,也会对作物造成伤害。该设备存在一些挑战,需要改进。特别是曝光时间需要大幅缩短。尽管如此,研究表明,使用相对便宜的设备开发激光除草的概念是可能的,这种设备可以在杂草和作物混合的复杂情况下工作。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Concept of a Compact and Inexpensive Device for Controlling Weeds with Laser Beams
A prototype of a relatively cheap laser-based weeding device was developed and tested on couch grass (Elytrigia repens (L.) Desv. ex Nevski) mixed with tomatoes. Three types of laser were used (0.3 W, 1 W, and 5 W). A neural network was trained to identify the weed plants, and a laser guidance system estimated the coordinates of the weed. An algorithm was developed to estimate the energy necessary to harm the weed plants. We also developed a decision model for the weed control device. The energy required to damage a plant depended on the diameter of the plant which was related to plant length. The 1 W laser was not sufficient to eliminate all weed plants and required too long exposure time. The 5 W laser was more efficient but also harmed the crop if the laser beam became split into two during the weeding process. There were several challenges with the device, which needs to be improved upon. In particular, the time of exposure needs to be reduced significantly. Still, the research showed that it is possible to develop a concept for laser weeding using relatively cheap equipment, which can work in complicated situations where weeds and crop are mixed.
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