| 雷达威胁环境下的无人机三维航迹规划 |
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| 引用本文： | 郝震,张健,朱凡,蔡满意.雷达威胁环境下的无人机三维航迹规划[J].飞行力学,2010,28(1). |
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| 作者姓名： | 郝震 张健 朱凡 蔡满意 |
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| 作者单位： | 空军工程大学工程学院,陕西,西安,710038 |
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| 摘 要： | 提出了一种雷达威胁环境下应用A*算法进行低空突防三维航迹规划的方法。首先对地形高程数据进行综合平滑处理,建立满足无人机机动性能要求的安全飞行曲面,并结合雷达威胁量化模型,计算出地形遮蔽雷达盲区的范围,最后在满足地形遮蔽雷达盲区的安全飞行曲面上运用A*算法规划出三维飞行航迹。仿真结果显示,该算法能简单、快速地获得三维最优航迹,易于工程实现。
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| 关 键 词： | 航迹规划 低空突防 数字地图 地形遮蔽雷达盲区 A*算法 |
3-D path planning for UAV in radar threat condition |
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| HAO Zhen,ZHANG Jian,ZHU Fan,CAI Man-yi.3-D path planning for UAV in radar threat condition[J].Flight Dynamics,2010,28(1). |
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| Authors: | HAO Zhen ZHANG Jian ZHU Fan CAI Man-yi |
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| Institution: | Engineering Institute;Air Force Engineering University;Xi'an 710038;China |
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| Abstract: | A 3-D vehicle path planning method for low altitude penetration based on an A* algorithm in radar threat conditions is proposed.Digital terrain information is processed by an integrated terrain elevation smoothing algorithm at first,and a safe surface which integrates the maneuverability of UAV and mathematical models of radar threat are built,a terrain masking radar blind space is calculated.The A* algorithm is used to plan three-dimensional vehicle paths on the safe surface which satisfies the terrain mas... |
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| Keywords: | path planning low altitude penetration digital map terrain masking radar blind space A* algorithm |
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