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On handing down our tools to robots: Single-phase kinesthetic teaching for dynamic in-contact tasks
Department of Electrical Engineering and Automation, Aalto Univeristy, Finland.
German Aerospace Center (DLR), Institute of Robotics and Mechatronics, Oberpfaffenhofen-Weßling, Germany.
Department of Electrical Engineering and Automation, Aalto Univeristy, Finland.
2015 (English)In: Proceedings of the 2015 IEEE International Conference on Robotics and Automation: ICRA 2015, IEEE conference proceedings, 2015, 5628-5634 p.Conference paper (Refereed)
Abstract [en]

We present a (generalizable) method aimed tosimultaneously transfer positional and force requirements en-coded in a physical human skill (wood planing) from a humaninstructor to a robotic arm through kinesthetic teaching. Weachieve our goal through a novel use of a common sensoryconfiguration, constituted by a force/torque sensor mountedbetween the tool and the flange of a robotic arm. The roboticarm is endowed with integrated torque sensors at each joint.The mathematical model used to capture the general dynamicof the interaction between the human user and the wood surfaceis based on Dynamic Movement Primitives. During reenactmentof the task, the system can imitate and generalize the demon-strated spatial requirements, as well as their associated forceprofiles. Therefore, the robotic arm acquires the capacity toreproduce the dynamic profile for in-contact tasks requiringan articulated coordination in the distribution of forces. Forexample, the capacity to effectively operate the plane on a woodplank over multiple strokes, according to the demonstration ofthe human instructor.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. 5628-5634 p.
Keyword [en]
physical human-robot interaction, programming by demonstration
National Category
Robotics
Identifiers
URN: urn:nbn:se:his:diva-11670DOI: 10.1109/ICRA.2015.7139987ScopusID: 2-s2.0-84938255018ISBN: 978-1-4799-6923-4OAI: oai:DiVA.org:his-11670DiVA: diva2:868197
Conference
2015 IEEE International Conference on Robotics and Automation (ICRA) Washington State Convention Center Seattle, Washington, May 26-30, 2015
Available from: 2015-11-09 Created: 2015-11-09 Last updated: 2016-03-02Bibliographically approved

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