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高超声速航天器最优再入大回转轨迹与控制 被引量:4
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作者 王志刚 袁建平 陈士橹 《弹道学报》 EI CSCD 北大核心 2005年第2期60-64,共5页
研究了飞回型可重复使用航天器以高超声速再入返回的最优大回转轨迹设计和控制方法,分析了飞回型航天器再入中靠气动力实现轨迹大回转的关键技术,建立了最优再入的数学模型.采用极大值原理和共轭梯度法求解最优再入大回转问题.通过仿真... 研究了飞回型可重复使用航天器以高超声速再入返回的最优大回转轨迹设计和控制方法,分析了飞回型航天器再入中靠气动力实现轨迹大回转的关键技术,建立了最优再入的数学模型.采用极大值原理和共轭梯度法求解最优再入大回转问题.通过仿真,得到了考虑大回转的最优再入轨迹特性及其控制规律,分析了转弯开始时刻和滚转角对再入中倾斜转弯控制特性的影响规律.探讨了高超声速大回转再入的控制方法. 展开更多
关键词 高超声速航天器 再入 大回转 最优轨迹
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A survey of numerical algorithms for trajectory optimization of flight vehicles 被引量:32
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作者 HUANG GuoQiang LU YuPing NAN Ying 《Science China(Technological Sciences)》 SCIE EI CAS 2012年第9期2538-2560,共23页
As one of the important components of computational flight mechanics and control,numerical algorithms of trajectory optimization for flight vehicles are currently studied by many researchers in aerospace engineering t... As one of the important components of computational flight mechanics and control,numerical algorithms of trajectory optimization for flight vehicles are currently studied by many researchers in aerospace engineering to completely solve these difficult problems,but few papers on the survey of this research field have been published recently.Based on the investigation of more than one hundred literatures,considering the application perspectives of computational flight mechanics and recent developments of trajectory optimization,the numerical algorithms of trajectory optimizations for aerospace vehicles are summarized and systematically analyzed.This paper summarized the basic principle,characteristics and application for all kinds of current trajectory optimization algorithms;and introduced some new methods and theories appearing in recent years.Finally,collaborative trajectory optimization for many flight vehicles,and hypersonic vehicle trajectory optimization were mainly reviewed in this paper.In the conclusion of this paper,the future research properties are presented regarding to numerical algorithms of trajectory optimization and control for flight vehicles as follows:collaboration and antagonization for many flight vehicles and multiple targets,global,real-time online,high accuracy of 7-D trajectory,considering all kinds of unknown random disturbances in trajectory optimization,and so on. 展开更多
关键词 computational flight dynamics flight trajectory optimization numerical algorithms SURVEY global optimization
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