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Content Provider | IEEE Xplore Digital Library |
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Author | Calinon, S. Evrard, P. Gribovskaya, E. Billard, A. Kheddar, A. |
Copyright Year | 2009 |
Description | Author affiliation: Learning Algorithms and Systems Laboratory (LASA), Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015, Switzerland (Calinon, S.; Gribovskaya, E.; Billard, A.) || CNRS-AIST, JRL, UMI3218/CRT, Tsukuba, Japan (Evrard, P.; Kheddar, A.) |
Abstract | This paper presents a method by which a robot can learn through observation to perform a collaborative manipulation task, namely lifting an object. The task is first demonstrated by a user controlling the robot's hand via a haptic interface. Learning extracts statistical redundancies in the examples provided during training by using Gaussian Mixture Regression and Hidden Markov Model. Haptic communication reflects more than pure dynamic information on the task, and includes communication patterns, which result from the two users constantly adapting their hand motion to coordinate in time and space their respective motions. We show that the proposed statistical model can efficiently encapsulate typical communication patterns across different dyads of users, that are stereotypical of collaborative behaviours between humans and robots. The proposed learning approach is generative and can be used to drive the robot's retrieval of the task by ensuring a faithful reproduction of the overall dynamics of the task, namely by reproducing the force patterns for both lift the object and adapt to the human user's hand motion. This work shows the potential that teleoperation holds for transmitting both dynamic and communicative information on the task, which classical methods for programming by demonstration have traditionally overlooked. |
Starting Page | 1 |
Ending Page | 6 |
File Size | 1430556 |
Page Count | 6 |
File Format | |
ISBN | 9781424448555 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2009-06-22 |
Publisher Place | Germany |
Access Restriction | Subscribed |
Rights Holder | GPS Gesellschaft |
Subject Keyword | Collaboration Haptic interfaces Robot kinematics Hidden Markov models Humans Orbital robotics Dynamic programming Robot control Communication system control Data mining |
Content Type | Text |
Resource Type | Article |
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