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• W4386157704 abstract "Unmanned aerial vehicle (UAV)-aided continuous emergency communications have recently emerged as a key solution to provide data transmission for disaster areas, thanks to their flexible deployment and high mobility. In practice, due to the limited onboard energy and state deterioration, UAVs need energy supplement and maintenance. However, existing researches mainly focus on UAV deployment and rarely study policies related to their operations and maintenance. To ensure the continuous and reliable execution of communication tasks, a dynamic operations and maintenance policy is proposed to assign tasks and determine maintenance activities for UAVs. First, a dynamic operations and maintenance policy composed of a task assignment policy and a maintenance policy is proposed. Next, the dynamic operations and maintenance joint optimization problem is formulated as a Markov decision process (MDP) to optimize the performance of the UAV swarm, including coverage, fairness, operations and maintenance cost. Then, a deep reinforcement learning approach is tailored to optimize the proposed MDP, where the repeated states are eliminated by state preprocessing, and an action mask method is utilized to satisfy operational constraints. Finally, the proposed approach is tested by its application in the operations and maintenance of a UAV swarm for continuous emergency communication." @default.
• W4386157704 created "2023-08-26" @default.
• W4386157704 creator A5060249465 @default.
• W4386157704 creator A5076272726 @default.
• W4386157704 date "2023-10-01" @default.
• W4386157704 modified "2023-10-15" @default.
• W4386157704 title "Dynamic operations and maintenance of an unmanned aerial vehicle swarm for continuous emergency communication" @default.
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• W4386157704 doi "https://doi.org/10.1016/j.cie.2023.109564" @default.
• W4386157704 hasPublicationYear "2023" @default.
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