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dc.contributor.authorRozo Castañeda, Leonel
dc.contributor.authorJiménez Schlegl, Pablo
dc.contributor.authorTorras, Carme
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Llenguatges i Sistemes Informàtics
dc.contributor.otherInstitut de Robòtica i Informàtica Industrial
dc.date.accessioned2010-03-30T11:39:49Z
dc.date.available2010-03-30T11:39:49Z
dc.date.issued2009
dc.identifier.urihttp://hdl.handle.net/2117/6840
dc.description.abstractLocally weighted learning algorithms are suitable strategies for trajectory learning and skill acquisition, in the context of programming by demonstration. Input streams other than visual information, as used in most applications up to date, reveal themselves as quite useful in trajectory learning experiments where visual sources are not available. In this work we have used force/torque feedback through a haptic device for teaching a teleoperated robot to empty a rigid container. Structure vibrations and container inertia appeared to considerably disrupt the sensing process, so a filtering algorithm had to be devised. Then, the memory-based LWPLS and the non-memory-based LWPR algorithms [8, 13, 10] were implemented, their comparison leading to very similar results, with the same pattern as regards to both the involved robot joints and the different initial experimental conditions. Tests where the teacher was instructed to follow a strategy compared to others where he was not lead to useful conclusions that permit devising the new research stages, where the taught motion will be refined by autonomous robot rehearsal through reinforcement learning.
dc.format.extent12 p.
dc.language.isoeng
dc.subjectÀrees temàtiques de la UPC::Informàtica::Robòtica
dc.subject.lcshRobots
dc.titleRobot learning of container-emptying skills through haptic demonstration
dc.typeExternal research report
dc.subject.lemacRobots
dc.subject.inspecClassificació INSPEC::Automation::Robots
dc.rights.accessOpen Access
local.identifier.drac2167062
dc.description.versionPreprint
local.personalitzacitaciotrue


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