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弹道学报  2013 

多约束条件下高超声速导弹再入轨迹优化

Keywords: 高超声速导弹,多约束,再入,轨迹优化,自适应,伪谱法

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Abstract:

为研究多约束条件下的高超声速导弹再入轨迹优化问题,提出了分段优化策略的再入轨迹优化方法,多阶段求解最优轨迹。建立了导弹的动力学模型、气动力模型和大气密度的计算模型,在考虑导弹的过载、动压、驻点热流和角度变化率等多种约束条件下,以导弹再入末速度最大和驻点热流最小为目标函数,基于hp自适应伪谱法和高斯伪谱法进行了弹道数值仿真。仿真结果表明,分段优化策略有效减少了计算时间,降低了计算复杂度。

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