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  Applying the Episodic Natural Actor-Critic Architecture to Motor Primitive Learning

Peters, J., & Schaal, S. (2007). Applying the Episodic Natural Actor-Critic Architecture to Motor Primitive Learning. In M. Verleysen (Ed.), Advances in computational intelligence and learning: 15th European Symposium on Artificial Neural Networks: ESANN 2007 (pp. 295-300). Evere, Belgium: D-Side.

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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-CE15-3 Version Permalink: https://hdl.handle.net/21.11116/0000-0003-E32C-C
Genre: Conference Paper

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https://www.elen.ucl.ac.be/esann/proceedings/papers.php?ann=2007 (Table of contents)
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 Creators:
Peters, J1, Author           
Schaal, S1, Author           
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1External Organizations, ou_persistent22              

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 Abstract: In this paper, we investigate motor primitive learning with the Natural Actor-Critic approach. The Natural Actor-Critic consists out of
actor updates which are achieved using natural stochastic policy gradients
while the critic obtains the natural policy gradient by linear regression.
We show that this architecture can be used to learn the building blocks of movement generation, called motor primitives. Motor primitives are parameterized control policies such as splines or nonlinear differential equations with desired attractor properties. We show that our most modern algorithm, the Episodic Natural Actor-Critic outperforms previous algorithms by at least an order of magnitude. We demonstrate the efficiency of this reinforcement learning method in the application of learning to hit a baseball with an anthropomorphic robot arm.

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 Dates: 2007-04
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: BibTex Citekey: 4725
 Degree: -

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Title: 15th European Symposium on Artificial Neural Networks (ESANN 2007)
Place of Event: Brugge, Belgium
Start-/End Date: 2007-04-25 - 2007-04-27

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Title: Advances in computational intelligence and learning: 15th European Symposium on Artificial Neural Networks: ESANN 2007
Source Genre: Proceedings
 Creator(s):
Verleysen, M, Editor
Affiliations:
-
Publ. Info: Evere, Belgium : D-Side
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 295 - 300 Identifier: ISBN: 2-930307-07-2