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Published in: Automatic Control and Computer Sciences 5/2023

01-10-2023

Robot Arm Path Planning with Adaptive Obstacle Avoidance for Man–Robot Collaboration

Authors: Brijesh Patel, Yan Cen Lin, Hao Jian Eugene Tong, Chao-Lung Yang, Ching-Yuan Chang, Po Ting Lin

Published in: Automatic Control and Computer Sciences | Issue 5/2023

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Abstract

Robot arms have been widely used in various production factories. They are able to complete desired tasks, such as picking and placing, with good repeatability. However, robots cannot completely replace human workers due to many different reasons. Human workers can complete delicate tasks more effectively with their skillful hands. Robots could be human workers helpers in terms of picking and placing items, delivering items to humans, lifting items for humans, etc. However, the risk of harming human workers greatly increases as the robots get closer to them. Recently, researchers began to develop advanced technologies for human–robot collaboration. In this paper, a novel system will be presented. A spatial-temporal graph network was used to identify human motions, and the random forest model was used to evaluate the danger factor between the human and the robot in the robot’s moving path. A Lagrangian minimization was used to determine a new robot’s moving trajectory to keep a safe distance from humans. The safety distance could be adaptively shortened as the robot moves closer to humans for specific man–robot collaboration missions.
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Metadata
Title
Robot Arm Path Planning with Adaptive Obstacle Avoidance for Man–Robot Collaboration
Authors
Brijesh Patel
Yan Cen Lin
Hao Jian Eugene Tong
Chao-Lung Yang
Ching-Yuan Chang
Po Ting Lin
Publication date
01-10-2023
Publisher
Pleiades Publishing
Published in
Automatic Control and Computer Sciences / Issue 5/2023
Print ISSN: 0146-4116
Electronic ISSN: 1558-108X
DOI
https://doi.org/10.3103/S0146411623050097

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