Analysis of Randomization Effects on Sim2Real Transfer in Reinforcement Learning for Robotic Manipulation Tasks

Research output: Chapter in book/report/conference proceedingConference contributionResearchpeer review

Authors

External Research Organisations

  • Technical University of Munich (TUM)
  • Rosenheim Technical University of Applied Sciences
  • German Research Centre for Artificial Intelligence (DFKI)
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Details

Original languageEnglish
Title of host publicationIEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages10193-10200
Number of pages8
ISBN (electronic)9781665479271
Publication statusPublished - 2022
Externally publishedYes
Event2022 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2022 - Kyoto, Japan
Duration: 23 Oct 202227 Oct 2022

Publication series

NameIEEE International Conference on Intelligent Robots and Systems
Volume2022-October
ISSN (Print)2153-0858
ISSN (electronic)2153-0866

Abstract

Randomization is currently a widely used approach in Sim2Real transfer for data-driven learning algorithms in robotics. Still, most Sim2Real studies report results for a specific randomization technique and often on a highly customized robotic system, making it difficult to evaluate different randomization approaches systematically. To address this problem, we define an easy-to-reproduce experimental setup for a robotic reach-and-balance manipulator task, which can serve as a benchmark for comparison. We compare four randomization strategies with three randomized parameters both in simulation and on a real robot. Our results show that more randomization helps in Sim2Real transfer, yet it can also harm the ability of the algorithm to find a good policy in simulation. Fully randomized simulations and fine-tuning show differentiated results and translate better to the real robot than the other approaches tested.

ASJC Scopus subject areas

Cite this

Analysis of Randomization Effects on Sim2Real Transfer in Reinforcement Learning for Robotic Manipulation Tasks. / Josifovski, Josip; Malmir, Mohammadhossein; Klarmann, Noah et al.
IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2022. Institute of Electrical and Electronics Engineers Inc., 2022. p. 10193-10200 (IEEE International Conference on Intelligent Robots and Systems; Vol. 2022-October).

Research output: Chapter in book/report/conference proceedingConference contributionResearchpeer review

Josifovski, J, Malmir, M, Klarmann, N, Zagar, BL, Navarro-Guerrero, N & Knoll, A 2022, Analysis of Randomization Effects on Sim2Real Transfer in Reinforcement Learning for Robotic Manipulation Tasks. in IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2022. IEEE International Conference on Intelligent Robots and Systems, vol. 2022-October, Institute of Electrical and Electronics Engineers Inc., pp. 10193-10200, 2022 IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2022, Kyoto, Japan, 23 Oct 2022. https://doi.org/10.1109/IROS47612.2022.9981951
Josifovski, J., Malmir, M., Klarmann, N., Zagar, B. L., Navarro-Guerrero, N., & Knoll, A. (2022). Analysis of Randomization Effects on Sim2Real Transfer in Reinforcement Learning for Robotic Manipulation Tasks. In IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2022 (pp. 10193-10200). (IEEE International Conference on Intelligent Robots and Systems; Vol. 2022-October). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/IROS47612.2022.9981951
Josifovski J, Malmir M, Klarmann N, Zagar BL, Navarro-Guerrero N, Knoll A. Analysis of Randomization Effects on Sim2Real Transfer in Reinforcement Learning for Robotic Manipulation Tasks. In IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2022. Institute of Electrical and Electronics Engineers Inc. 2022. p. 10193-10200. (IEEE International Conference on Intelligent Robots and Systems). doi: 10.1109/IROS47612.2022.9981951
Josifovski, Josip ; Malmir, Mohammadhossein ; Klarmann, Noah et al. / Analysis of Randomization Effects on Sim2Real Transfer in Reinforcement Learning for Robotic Manipulation Tasks. IEEE/RSJ International Conference on Intelligent Robots and Systems, IROS 2022. Institute of Electrical and Electronics Engineers Inc., 2022. pp. 10193-10200 (IEEE International Conference on Intelligent Robots and Systems).
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title = "Analysis of Randomization Effects on Sim2Real Transfer in Reinforcement Learning for Robotic Manipulation Tasks",
abstract = "Randomization is currently a widely used approach in Sim2Real transfer for data-driven learning algorithms in robotics. Still, most Sim2Real studies report results for a specific randomization technique and often on a highly customized robotic system, making it difficult to evaluate different randomization approaches systematically. To address this problem, we define an easy-to-reproduce experimental setup for a robotic reach-and-balance manipulator task, which can serve as a benchmark for comparison. We compare four randomization strategies with three randomized parameters both in simulation and on a real robot. Our results show that more randomization helps in Sim2Real transfer, yet it can also harm the ability of the algorithm to find a good policy in simulation. Fully randomized simulations and fine-tuning show differentiated results and translate better to the real robot than the other approaches tested.",
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AU - Malmir, Mohammadhossein

AU - Klarmann, Noah

AU - Zagar, Bare Luka

AU - Navarro-Guerrero, Nicolas

AU - Knoll, Alois

N1 - Publisher Copyright: © 2022 IEEE.

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AB - Randomization is currently a widely used approach in Sim2Real transfer for data-driven learning algorithms in robotics. Still, most Sim2Real studies report results for a specific randomization technique and often on a highly customized robotic system, making it difficult to evaluate different randomization approaches systematically. To address this problem, we define an easy-to-reproduce experimental setup for a robotic reach-and-balance manipulator task, which can serve as a benchmark for comparison. We compare four randomization strategies with three randomized parameters both in simulation and on a real robot. Our results show that more randomization helps in Sim2Real transfer, yet it can also harm the ability of the algorithm to find a good policy in simulation. Fully randomized simulations and fine-tuning show differentiated results and translate better to the real robot than the other approaches tested.

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