Collision-free robotic path planning using the elastic band method

Authors

DOI:

https://doi.org/10.17979/ja-cea.2025.46.12243

Keywords:

Path Planning, Robotics technology, Collaborative robot

Abstract

This work proposes a new automatic collision avoidance algorithm for industrial and collaborative robots. The developed algorithm is based on the elastic band method, which has proven effective in mobile robots. The proposed planner starts from an initial trajectory that is evaluated to detect any potential collisions. If a collision is detected between two points along the initial trajectory, the elastic band-based trajectory algorithm intervenes, generating a transition point between them to avoid the collision. This approach has been validated both in simulation and in real-world scenarios, using a seven-degree-of-freedom collaborative robot in an inspection task aimed at quality control. The results obtained demonstrate that the robot’s trajectory adapts autonomously, which increases operational safety and significantly reduces the effort required to program the robot’s motion.

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Published

2025-09-01

Issue

Section

Robótica