Solving Safety Problems with Ensemble Reinforcement Learning
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2019-12-05
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FERREIRA, L. A.
DOS SANTOS, T. F.
Reinaldo Bianchi
SANTOS, P. E.
DOS SANTOS, T. F.
Reinaldo Bianchi
SANTOS, P. E.
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Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
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FERREIRA, L. A.; DOS SANTOS, T. F.; BIANCHI, R.; SANTOS, P. E. Solving Safety Problems with Ensemble Reinforcement Learning. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), p. 203-214, Dec. 2019.
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© 2019, Springer Nature Switzerland AG.An agent that learns by interacting with an environment may find unexpected solutions to decision-making problems. This solution can be an improvement over well-known ones, such as new strategies for games, but in some cases the unexpected solution is unwanted and should be avoided for reasons such as safety. This paper proposes a Reinforcement Learning Ensemble Framework called ReLeEF. This framework combines decision making methods to provide a finer grained control of the agent’s behaviour while still letting it learn by interacting with the environment. It has been tested in the safety gridworlds and the results show that it can find optimal solutions while fulfilling safety concerns described for each domain, something that state of the art Deep Reinforcement Learning methods were unable to do.