Robot Learning From Randomized Simulations: A Review

The rise of deep learning has caused a paradigm shift in robotics research, favoring methods that require large amounts of data. Unfortunately, it is prohibitively expensive to generate such data sets on a physical platform. Therefore, state-of-the-art approaches learn in simulation where data gener...

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Veröffentlicht in:Frontiers in robotics and AI Jg. 9; S. 799893
Hauptverfasser: Muratore, Fabio, Ramos, Fabio, Turk, Greg, Yu, Wenhao, Gienger, Michael, Peters, Jan
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Switzerland Frontiers Media S.A 11.04.2022
Schlagworte:
domain randomization
reality gap
reinforcement learning
robotics
Robotics and AI
simulation
simulation optimization bias
simulation optimization bias
reality gap
simulation
robotics
sim-to-real
domain randomization
reinforcement learning
ISSN:2296-9144, 2296-9144
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Zusammenfassung:The rise of deep learning has caused a paradigm shift in robotics research, favoring methods that require large amounts of data. Unfortunately, it is prohibitively expensive to generate such data sets on a physical platform. Therefore, state-of-the-art approaches learn in simulation where data generation is fast as well as inexpensive and subsequently transfer the knowledge to the real robot (sim-to-real). Despite becoming increasingly realistic, all simulators are by construction based on models, hence inevitably imperfect. This raises the question of how simulators can be modified to facilitate learning robot control policies and overcome the mismatch between simulation and reality, often called the “reality gap.” We provide a comprehensive review of sim-to-real research for robotics, focusing on a technique named “domain randomization” which is a method for learning from randomized simulations.
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Konstantinos Chatzilygeroudis, University of Patras, Greece
Reviewed by: Akansel Cosgun, Monash University, Australia
This article was submitted to Robot Learning and Evolution, a section of the journal Frontiers in Robotics and AI
Edited by: Antonio Fernández-Caballero, University of Castilla-La Mancha, Spain
ISSN:2296-9144
2296-9144
DOI:10.3389/frobt.2022.799893