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Mansoor Davoodi and Justin M. Calabrese
The optimal placement of healthcare facilities, including the placement of diagnostic test centers, plays a pivotal role in ensuring efficient and equitable access to healthcare services. However, the emergence of unique complexities in the context of a ...
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Boxiang Zhang, Hongxiang Ren, Shaoyang Qiu, Xiao Yang, Gongming Liao and Xiao Liang
In order to reduce the cost of navigation training in the waters of ice zones and improve the effectiveness of the training process, a method for simulating sea ice fragmentation in an ice zone navigation simulator is proposed. The Voronoi diagram algori...
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Huang Huang, Xinwei Cuan, Zhuo Chen, Lina Zhang and Hao Chen
The reasonable scheduling of agricultural machinery can avoid their purposeless flow during the operational service and reduce the scheduling cost of agricultural machinery service centers. In this research, a multiregional agricultural machinery schedul...
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Yating Peng, Xiangxi Wen, Jiabin Kong, Yanling Meng and Minggong Wu
The study of airspace sector demarcation can help controllers to deal with complex air situations, provide reference for air traffic control services, reduce the workload of controllers, and ensure safe and efficient airspace operation. Based on complex ...
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Bi Yu Chen, Huihuang Huang, Hui-Ping Chen, Wenxuan Liu, Xuan-Yan Chen and Tao Jia
The order k Voronoi diagram (OkVD) is an effective geometric construction to partition the geographical space into a set of Voronoi regions such that all locations within a Voronoi region share the same k nearest points of interest (POIs). Despite the br...
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Zhiyao Zhao, Bin Zhu, Yan Zhou, Peng Yao and Jiabin Yu
This paper solves the problem of cooperative path planning of multiple unmanned surface vehicles (USVs) for search and coverage tasks in water environments. Firstly, taking the search coverage problem of water surface pollutants as an example, the inform...
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Weining Zhang, Minghua Hu, Jianan Yin, Haobin Li and Jinghan Du
Airspace sectorization is a powerful means to balance the increasing air traffic flow and limited airspace resources, which is related to the efficiency and safety of operations. In order to divide sectors reasonably, a multi-objective optimization frame...
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Yifan Zhang, Guoyou Shi and Jiao Liu
The unmanned surface vehicle (USV) is significantly affected by the ocean environment and weather conditions when navigating. The energy consumption is large, which is not conducive to completing water tasks. This study investigates the global energy-eff...
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Jinqiang Bi, Miao Gao, Wenjia Zhang, Xuefeng Zhang, Kexin Bao and Quanbo Xin
Despite being a minor probability event, marine accidents can cause serious consequences such as casualties, environmental damage, and even massive economic losses. As an important part of the marine traffic safety system, the evaluation of navigation sa...
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Xiaomin Lu, Haowen Yan, Wende Li, Xiaojun Li and Fang Wu
Points on maps that stand for geographic objects such as settlements are generally connected by road networks. However, in the existing algorithms for point cluster simplification, points are usually viewed as discrete objects or their distances are cons...
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