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Binary action search for learning continuous-action control policies

Lagoudakis Michael, Pazis, J.

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/92CF2868-606E-4D95-9777-A01D01FC78A0-
Αναγνωριστικόhttps://doi.org/10.1145/1553374.1553476-
Γλώσσαen-
Μέγεθος8 pagesen
ΤίτλοςBinary action search for learning continuous-action control policiesen
ΔημιουργόςLagoudakis Michaelen
ΔημιουργόςΛαγουδακης Μιχαηλel
ΔημιουργόςPazis, J.en
ΠερίληψηReinforcement Learning methods for controlling stochastic processes typically assume a small and discrete action space. While continuous action spaces are quite common in real-world problems, the most common approach still employed in practice is coarse discretization of the action space. This paper presents a novel method, called Binary Action Search, for realizing continuousaction policies by searching efficiently the entire action range through increment and decrement modifications to the values of the action variables according to an internal binary policy defined over an augmented state space. The proposed approach essentially approximates any continuous action space to arbitrary resolution and can be combined with any discrete-action reinforcement learning algorithm for learning continuous-action policies. Binary Action Search eliminates the restrictive modification steps of Adaptive Action Modification and requires no temporal action locality in the domain. Our approach is coupled with two well-known reinforcement learning algorithms (Least-Squares Policy Iteration and Fitted Q-Iteration) and its use and properties are thoroughly investigated and demonstrated on the continuous state-action Inverted Pendulum, Double Integrator, and Car on the Hill domains.en
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-11-13-
Ημερομηνία Δημοσίευσης2009-
Θεματική ΚατηγορίαArtificial Intelligenceen
Βιβλιογραφική ΑναφοράJ. Pazis and M. G. Lagoudakis, “Binary action search for learning continuous-action control policies,” in 26th International Conference on Machine Learning (ICML), 2009, pp. 793–800. doi:10.1145/1553374.1553476en

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