UAV inspection path optimization in offshore wind farms using the OPTION-A*-DQN algorithm

Meiqing Xu, Chao Deng, Xiangyu Hu, Yuxin Lu, Wenyan Xue and Bin Zhu

PLOS ONE, 2025, vol. 20, issue 11, 1-22

Abstract: In response to the inefficiencies in offshore wind farm inspections caused by path redundancy and mission omissions, this study proposes a novel path planning method for Unmanned Aerial Vehicle (UAV) inspections, integrating multi-constraint optimization and intelligent scheduling. First, a four-dimensional constraint model is established, encompassing wind speed, charging, minimum UAV fleet size, and dynamic obstacle avoidance. Second, the OPTION-A*-DQN hybrid algorithm is developed by synergizing A* heuristic search with deep reinforcement learning (DRL) to balance global navigation and local optimization. An improved K-Means algorithm further enables efficient topological partitioning for multi-UAV collaboration. Comparative evaluations against original OPTION-DQN and conventional heuristic methods (Dijkstra and Simulated Annealing) demonstrate that the proposed method achieves three key improvements: (1) a 10% higher task completion rate, (2) a 14.9% reduction in path distance, and (3) a 20% faster simulation time. This work significantly advances intelligent path planning for offshore wind farm inspections.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0336935

DOI: 10.1371/journal.pone.0336935

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