基于不同地形的低空安全突防曲面处理算法  

Processing Algorithm for Low-Altitude Penetration Safety Surface Based on Different Types of Terrain

作　　者：陈侠[1] 鹿振宇[1] 

机构地区：[1]沈阳航空航天大学自动化学院,沈阳110136

出　　处：《电光与控制》2013年第5期1-5,共5页Electronics Optics & Control

基　　金：国家自然科学基金(61074159);辽宁省自然科学基金资助项目(20092053)

摘　　要：低空突防能力问题是无人飞行器(UAV)飞行安全的核心问题之一。针对不同地形的低空安全突防曲面问题,提出一种处理算法。该算法首先将安全走廊的概念融入到飞行曲面设计中,将三维航迹划分为水平航迹和垂直航迹规划,考虑飞行器的最小离地高度等因素,设计出平滑安全的飞行曲面,提高了飞行器突破"台风眼"区域的安全性。然后根据不同地形的特征,利用聚类算法对其进行分类,再采用二维三次卷积算法,提出基于不同地形的低空突防安全曲面设计方法。仿真结果表明,该算法能够快速实现低空安全突防的需求,降低飞行代价。Low-altitude penetration ability was the core of UAV （Unmanned Aerial Vehicle） flight safety. To the problem of low-altitude penetration safety surface of different terrains, an algorithm was proposed. First, the concept of safe corridor was integrated into flight surface design, 3D flight path was divided into horizontal and vertical flight path planning, and considering such factors as the minimum height above the ground, a smooth and safe flight surface was worked out, which improved the safety for UAV to penetrate the ＂typhoon eye＂ area. Then, according to the characteristics of different terrains, classification was made by use of clustering algorithm, and design method of low-altitude penetration safety surface based on different terrains was proposed by use of 2D cubic convolution algorithm. Finally, the simulation results showed that the proposed algorithm could rapidly achieve the requirement of low-altitude penetration safety, and reduce flight cost.

关 键 词：无人飞行器 低空突防安全曲面 安全走廊 最小飞行高度 聚类算法 

分 类 号：V271.4[航空宇航科学与技术—飞行器设计]