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兵工学报  2015 

基于粒子群优化的再入可达区计算方法研究

DOI: 10.3969/j.issn.1000-1093.2015.09.012, PP. 1680-1687

Keywords: 兵器科学与技术,粒子群优化,再入可达区,高超声速飞行器,倾侧角反转逻辑

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Abstract:

?针对升力式高超声速飞行器再入可达区计算问题,提出了一种粒子群优化(PSO)和倾侧角反转相结合的混合求解方案。为了减小待优化变量的搜寻空间,设计了一种参数化的倾侧角剖面,利用约束PSO算法求解满足再入过程约束和末端约束的最优滑翔轨迹。通过倾侧角正向和逆向反转逻辑直接生成倾侧角指令集合,进而实现高超声速飞行器再入可达区的快速估算。高升阻比再入滑翔飞行器CAV-H仿真实例表明,该混合优化求解方案易于实现且无需预估参数初值,具有良好的可操作性。

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