Design and evaluation of a low-cost delta-robot for UAV-based weed control in horticulture

Leif O. Harders; Vitali Czymmek; Stephan Hussmann

doi:10.1117/12.3005532

20 September 2023 Design and evaluation of a low-cost delta-robot for UAV-based weed control in horticulture

Leif O. Harders, Vitali Czymmek, Stephan Hussmann

Proceedings Volume 12607, Optical Technology and Measurement for Industrial Applications Conference; 126070A (2023) https://doi.org/10.1117/12.3005532
Event: Optics and Photonics International Congress, 2023, Yokohama, Japan

Abstract

Due to legal changes in soil disinfection and agrochemical application, using soil disinfection agents and other agents is increasingly restricted. This restriction and more frequent extreme weather events pose new challenges for horticultural production. Tree nurseries are looking for new ways of weed management for their seedbeds. Autonomous smart agricultural robots have the potential to support or replace chemical weed management as well as labor and cost-intensive manual weeding, contributing to the sustainable transformation and optimization of agricultural production systems. A significant challenge for conventional ground-based autonomous systems is working in environments more often inaccessible to heavy machinery because of rain-soaked soils. Unmanned aerial vehicles (UAVs) are one of the most promising technologies for weed detection and management because they are not constrained by ground conditions, can be easily maneuvered, and can cover a large agricultural area. This paper presents the design of a low-cost parallel delta robot for mechanical weed control in horticulture that uses a machine-vision system for weed detection. The system is designed to be carried by both conventional and UAV-based autonomous vehicles. Moreover, an evaluation of the positioning accuracy is presented using an early prototype for a conventional carrier system.

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Leif O. Harders, Vitali Czymmek, and Stephan Hussmann "Design and evaluation of a low-cost delta-robot for UAV-based weed control in horticulture", Proc. SPIE 12607, Optical Technology and Measurement for Industrial Applications Conference, 126070A (20 September 2023); https://doi.org/10.1117/12.3005532

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KEYWORDS

Agriculture

Design and modelling

Prototyping

Unmanned aerial vehicles

Agrochemicals

Control systems

Operating systems

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