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Article overview
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Parallel Distributional Prioritized Deep Reinforcement Learning for Unmanned Aerial Vehicles | | Alisson Henrique Kolling
; Victor Augusto Kich
; Junior Costa de Jesus
; Andressa Cavalcante da Silva
; Ricardo Bedin Grando
; Paulo Lilles Jorge Drews-Jr
; Daniel F. T. Gamarra
; | | Date: |
1 Sep 2023 | | Abstract: | This work presents a study on parallel and distributional deep reinforcement
learning applied to the mapless navigation of UAVs. For this, we developed an
approach based on the Soft Actor-Critic method, producing a distributed and
distributional variant named PDSAC, and compared it with a second one based on
the traditional SAC algorithm. In addition, we also embodied a prioritized
memory system into them. The UAV used in the study is based on the Hydrone
vehicle, a hybrid quadrotor operating solely in the air. The inputs for the
system are 23 range findings from a Lidar sensor and the distance and angles
towards a desired goal, while the outputs consist of the linear, angular, and,
altitude velocities. The methods were trained in environments of varying
complexity, from obstacle-free environments to environments with multiple
obstacles in three dimensions. The results obtained, demonstrate a concise
improvement in the navigation capabilities by the proposed approach when
compared to the agent based on the SAC for the same amount of training steps.
In summary, this work presented a study on deep reinforcement learning applied
to mapless navigation of drones in three dimensions, with promising results and
potential applications in various contexts related to robotics and autonomous
air navigation with distributed and distributional variants. | | Source: | arXiv, 2309.00176 | | Services: | Forum | Review | PDF | Favorites | |
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