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A Domain Data Pattern Randomization based Deep Reinforcement Learning method for Sim-to-Real transfer

Published: 04 September 2021 Publication History

Abstract

Transferring reinforcement learning policies trained in a physical simulator to the real world is a highly challenging problem, because the gap between the simulation and reality, usually causes the transferred model to perform poorly in the real world. Many algorithms including domain randomization, have been proposed to try to bridge the gap between simulation and reality. However, most of them are to change the value of the corresponding data by superimposing gaussian noise on robot dynamics parameters or environmental data. Such policies often fail to solve the problem of long-term/intermittent missing data patterns caused by sensor failures in the actual operation of the robot. Faced with this problem, we proposed a memory-enhanced domain data pattern randomization method. This method achieves data enhancement by randomizing the distribution pattern of data connection, at the same time, the memory mechanism based on recurrent neural network is introduced into the decision model, to alleviate the jitter of environmental distribution caused by data pattern changes, so as to improve the decision-making ability of the robot in some observable scenes triggered by the change of data pattern.

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        cover image ACM Other conferences
        ICIAI '21: Proceedings of the 2021 5th International Conference on Innovation in Artificial Intelligence
        March 2021
        246 pages
        ISBN:9781450388634
        DOI:10.1145/3461353
        Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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        New York, NY, United States

        Publication History

        Published: 04 September 2021

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        Author Tags

        1. Data Pattern
        2. Deep Reinforcement Learning
        3. Domain Randomization
        4. Recurrent Neural Network
        5. Sim to Real

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        • the National Key Research and Development Program of China

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