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research article

Incremental motion learning with locally modulated dynamical systems

Kronander, K.  
•
Khansari, M.
•
Billard, A.  orcid-logo
2015
Robotics and Autonomous Systems

Dynamical Systems (DS) for robot motion modeling are a promising approach for efficient robot learning and control. Our focus in this paper is on autonomous dynamical systems, which represent a motion plan without dependency on time. We develop a method that allows to locally reshape an existing, stable nonlinear autonomous DS while preserving important stability properties of the original system. Our system is based on local transformations of the dynamics. We propose an incremental learning algorithm based on Gaussian Processes for learning to reshape dynamical systems using this representation. The approach is validated in a 2d task of learning handwriting motions, a periodic polishing motion and in a manipulation task with the 7 degrees of freedom Barrett WAM manipulator. (C) 2015 Elsevier B.V. All rights reserved.

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Type
research article
DOI
10.1016/j.robot.2015.03.010
Web of Science ID

WOS:000356120800005

Author(s)
Kronander, K.  
Khansari, M.
Billard, A.  orcid-logo
Date Issued

2015

Publisher

Elsevier

Published in
Robotics and Autonomous Systems
Volume

70

Start page

52

End page

62

Subjects

Dynamical systems

•

Motion modeling

•

Robotics

URL

URL

https://github.com/epfl-lasa/locally-modulated-ds
Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LASA  
Available on Infoscience
September 28, 2015
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/118887
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