Path planning algorithm for airborne pseudolites installed on stratospheric airships

被引：0
|
作者：
Qu Y. [1 ,2 ]
Wang S. [1 ,2 ]
Zeng L. [1 ,2 ]
Gong Y. [1 ]
机构：
[1] Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing
[2] University of Chinese Academy of Sciences, Beijing
来源：
Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics | 2023年 / 49卷 / 05期
关键词：
airborne pseudolite; energy consumption; geometric dilution of precision; path planning; stratospheric airship;
D O I：
10.13700/j.bh.1001-5965.2021.0385
中图分类号：
学科分类号：
摘要：
Airborne pseudolite navigation systems depend on geometry configuration, however previous research on how to create the ideal geometry configuration with the least amount of energy was limited. To solve this problem, the path planning algorithm of airborne pseudolite installed on stratospheric airships was discussed in this paper. First, the effect of pseudolite geometry configuration on positioning precision was analyzed. Second, the stratospheric airship dynamic model, wind field model and stratospheric airship energy consumption model were studied. Thirdly, a grid-based strategy for planning space establishment and path representation was described. Furthermore, a novel cost function for stratospheric airship path planning comprising positioning precision index and energy consumption index was designed. Based on the classic A* algorithm, a path planning algorithm for airborne pseudolite installed on a stratospheric airship was constructed. And finally, simulations were executed with various inputs to verify the proposed algorithm. The outcomes of the simulations demonstrated that the suggested approach may effectively increase geometric precision improvement while lowering stratospheric airship energy consumption. © 2023 Beijing University of Aeronautics and Astronautics (BUAA). All rights reserved.
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页码：1071 / 1082
页数：11
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