Hierarchical Motion Planning Framework for Manipulators in Human-Centered Dynamic Environments

Jonas Wittmann, Julius Jankowski, Daniel Wahrmann, Daniel J. Rixen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

4 Scopus citations

Abstract

Collaborating robots face rising challenges with respect to autonomy and safety as they are deployed in flexible automation applications. The ability to perform the required tasks in the presence of humans and obstacles is key for the integration of these machines in industry. In this work we introduce a framework for motion planning of manipulators that builds upon the most promising existing approaches by combining them in an advantageous way. It includes a new Obstacle-related Sampling Rejection Probabilistic Roadmap planner (ORSR-PRM) that represents the free workspace in an efficient way. Using this representation, dynamic obstacles can be avoided in real-time using an attractor-based online trajectory generation. The resulting motions satisfy kinematic and dynamic joint limits, ensuring a safe human-robot interaction. We validate the functionality and performance of the presented framework in simulations and experiments.

Original languageEnglish
Title of host publication29th IEEE International Conference on Robot and Human Interactive Communication, RO-MAN 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages525-532
Number of pages8
ISBN (Electronic)9781728160757
DOIs
StatePublished - Aug 2020
Event29th IEEE International Conference on Robot and Human Interactive Communication, RO-MAN 2020 - Virtual, Naples, Italy
Duration: 31 Aug 20204 Sep 2020

Publication series

Name29th IEEE International Conference on Robot and Human Interactive Communication, RO-MAN 2020

Conference

Conference29th IEEE International Conference on Robot and Human Interactive Communication, RO-MAN 2020
Country/TerritoryItaly
CityVirtual, Naples
Period31/08/204/09/20

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