考虑禁飞区的高超声速飞行器再入制导 -- 西北工业大学学报,2017,35(5):749-754
论文:2017,Vol:35,Issue(5):749-754
引用本文:
卢青, 周军, 周敏. 考虑禁飞区的高超声速飞行器再入制导[J]. 西北工业大学学报
Lu Qing, Zhou Jun, Zhou Min. Reentry Guidance for Hypersonic Vehicle Considering No-Fly Zone[J]. Northwestern polytechnical university

考虑禁飞区的高超声速飞行器再入制导
卢青, 周军, 周敏
西北工业大学 精确制导与控制研究所, 陕西 西安 710072
摘要:
高超声速飞行器在再入飞行过程中会受到各种约束,仅考虑飞行过程以及终端状态约束的算法难以满足日益复杂的飞行环境的要求。以高超声速飞行器为研究对象,通过构建简化的水平面内的飞行器模型来对飞行过程中存在禁飞区的情况进行分析。建立最优规避策略,将不等式约束转化为等式约束,有效回避禁飞区,完成再入制导算法的设计过程。通过大量的仿真验证,说明了新算法对变目标、变禁飞区的情况均具有较好的适应性。
关键词:    最优规避    高超飞行器    禁飞区    攻角    阻力系数   
Reentry Guidance for Hypersonic Vehicle Considering No-Fly Zone
Lu Qing, Zhou Jun, Zhou Min
Institute of Precision Guidance and Control, Northwestern Polytechnical University, Xi'an 710072, China
Abstract:
Hypersonic vehicles are subject to various constraints during the reentry flight process. Methods only consider the constraints of flight process and terminal states are difficult to meet the increasingly complex requirements of the flight environment. In this paper, hypersonic vehicle is used as the study object to construct a simplified horizontal plane model to analyze the existence of no-fly zone in the flight process. Optimal avoidance strategy is founded and the constraints inequality are converted into the constraints of equality so as to avoid no-fly zone and complete the design of the reentry guidance. Through a lot of simulation, it shows that the algorithm has good adaptability to the different targets and different no-fly zones.
Key words:    optimal avoidance    hypersonic vehicle    no-fly zone    angle of attack    drag coefficient   
收稿日期: 2017-03-13     修回日期:
DOI:
基金项目: 国家自然科学基金(61473226)资助
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作者简介: 卢青(1990-),西北工业大学博士研究生,主要从事飞行器航迹规划及制导控制理论研究。
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