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Combining Virtual and Physical Guides for Autonomous In-Contact Path Adaptation

  • Tadej PetričEmail author
  • Leon Žlajpah
Conference paper
  • 62 Downloads
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 84)

Abstract

Several approaches exist for learning and control of robot behaviors in physical human-robot interaction (PHRI) scenarios. One of these is the approach based on virtual guides which actively helps to guide the user. Such a system enables guiding users towards preferred movement directions or prevents them to enter into a prohibited zone. Despite being shown that such a framework works well in physical contact with humans, the efficient interaction with the environment is still limited. Within the virtual guide framework, the environment is considered as a physical guide, for example, a table is a plane that prevents the robot to penetrate through. To mitigate these limits we introduce and evaluate the means of autonomous path adaptation through interaction with physical guides, which essentially means merging virtual and physical guides. The virtual guide framework was extended by introducing an algorithm which partially modifies the virtual guides online. The path updates are now based on the interactive force measurements and essentially improves the virtual guides to match them with the actual physical guides.

Keywords

Human-robot physical cooperation On-line path adaptation Virtual guides 

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Copyright information

© The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Department for Automation, Biocybernetics and RoboticsJožef Stefan InstituteLjubljanaSlovenia

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