CAFEs: Cable-driven Collaborative Floating End-Effectors for Agriculture Applications

Fuente: arXiv
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Autori principali: Cheng, Hung Hon, Hughes, Josie
Natura: Preprint
Pubblicazione: 2025
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author Cheng, Hung Hon
Hughes, Josie
author_facet Cheng, Hung Hon
Hughes, Josie
contents CAFEs (Collaborative Agricultural Floating End-effectors) is a new robot design and control approach to automating large-scale agricultural tasks. Based upon a cable driven robot architecture, by sharing the same roller-driven cable set with modular robotic arms, a fast-switching clamping mechanism allows each CAFE to clamp onto or release from the moving cables, enabling both independent and synchronized movement across the workspace. The methods developed to enable this system include the mechanical design, precise position control and a dynamic model for the spring-mass liked system, ensuring accurate and stable movement of the robotic arms. The system's scalability is further explored by studying the tension and sag in the cables to maintain performance as more robotic arms are deployed. Experimental and simulation results demonstrate the system's effectiveness in tasks including pick-and-place showing its potential to contribute to agricultural automation.
format Preprint
id arxiv_https___arxiv_org_abs_2503_00514
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle CAFEs: Cable-driven Collaborative Floating End-Effectors for Agriculture Applications
Cheng, Hung Hon
Hughes, Josie
Robotics
CAFEs (Collaborative Agricultural Floating End-effectors) is a new robot design and control approach to automating large-scale agricultural tasks. Based upon a cable driven robot architecture, by sharing the same roller-driven cable set with modular robotic arms, a fast-switching clamping mechanism allows each CAFE to clamp onto or release from the moving cables, enabling both independent and synchronized movement across the workspace. The methods developed to enable this system include the mechanical design, precise position control and a dynamic model for the spring-mass liked system, ensuring accurate and stable movement of the robotic arms. The system's scalability is further explored by studying the tension and sag in the cables to maintain performance as more robotic arms are deployed. Experimental and simulation results demonstrate the system's effectiveness in tasks including pick-and-place showing its potential to contribute to agricultural automation.
title CAFEs: Cable-driven Collaborative Floating End-Effectors for Agriculture Applications
topic Robotics
url https://arxiv.org/abs/2503.00514