A 3D Coverage Method Involving Dynamic Underwater Wireless Sensor Networks for Marine Ranching Monitoring

被引:0
|
作者
Fu, Lei [1 ,2 ]
Wang, Ji [1 ,2 ]
机构
[1] Guangdong Ocean Univ, Coll Elect & Informat Engn, Zhanjiang 524088, Peoples R China
[2] Guangdong Engn Technol Res Ctr Intelligent Ocean S, Zhanjiang 524088, Peoples R China
关键词
marine ranching; underwater wireless sensor networks; sparrow search algorithm; autonomous underwater vehicle; underwater path planning; OPTIMIZATION ALGORITHM; DEPLOYMENT; NODES;
D O I
10.3390/electronics13224536
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In view of the poor adaptability and uneven coverage of static underwater wireless sensor networks (UWSNs) to environmental changes and the need for dynamic monitoring, a three-dimensional coverage method involving a dynamic UWSNs for marine ranching, based on an improved sparrow search algorithm (ISSA), is proposed. Firstly, the reverse learning strategy was introduced to generate the reverse sparrow individuals and fuse with the initial population, and the individual sparrows with high fitness were selected to improve the search range. Secondly, Levy flight was introduced to optimize the location update of the producer, which effectively expanded the local search capability of the algorithm. Finally, the Cauchy mutation perturbation mechanism was introduced into the scrounger location to update the optimal solution, which enhanced the ability of the algorithm to obtain the global optimal solution. When deploying UWSNs nodes, an autonomous underwater vehicle (AUV) was used as a mobile node to assist the deployment. In the case of underwater obstacles, the coverage hole in the UWSNs was covered by an AUV at specific times. The experimental results show that compared with other algorithms, the ISSA has a shorter mobile path and achieves a higher coverage rate, with lower node energy consumption.
引用
收藏
页数:16
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