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Probabilistic consolidation of grasp experience
KTH, Skolan för datavetenskap och kommunikation (CSC), Centra, Centrum för Autonoma System, CAS. University of Liège.
KTH, Skolan för datavetenskap och kommunikation (CSC), Datorseende och robotik, CVAP.
Vise andre og tillknytning
2016 (engelsk)Inngår i: Proceedings - IEEE International Conference on Robotics and Automation, IEEE conference proceedings, 2016, s. 193-200Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

We present a probabilistic model for joint representation of several sensory modalities and action parameters in a robotic grasping scenario. Our non-linear probabilistic latent variable model encodes relationships between grasp-related parameters, learns the importance of features, and expresses confidence in estimates. The model learns associations between stable and unstable grasps that it experiences during an exploration phase. We demonstrate the applicability of the model for estimating grasp stability, correcting grasps, identifying objects based on tactile imprints and predicting tactile imprints from object-relative gripper poses. We performed experiments on a real platform with both known and novel objects, i.e., objects the robot trained with, and previously unseen objects. Grasp correction had a 75% success rate on known objects, and 73% on new objects. We compared our model to a traditional regression model that succeeded in correcting grasps in only 38% of cases.

sted, utgiver, år, opplag, sider
IEEE conference proceedings, 2016. s. 193-200
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-197236DOI: 10.1109/ICRA.2016.7487133ISI: 000389516200024Scopus ID: 2-s2.0-84977472359ISBN: 9781467380263 (tryckt)OAI: oai:DiVA.org:kth-197236DiVA, id: diva2:1052719
Konferanse
2016 IEEE International Conference on Robotics and Automation, ICRA 2016, 16 May 2016 through 21 May 2016
Merknad

QC 20161207

Tilgjengelig fra: 2016-12-07 Laget: 2016-11-30 Sist oppdatert: 2017-01-19bibliografisk kontrollert

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