基于伪谱法的巡航导弹最优闭环制导方法

doi:10.16182/j.issn1004731x.joss.201809030

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (9): 3464-3471.doi: 10.16182/j.issn1004731x.joss.201809030

基于伪谱法的巡航导弹最优闭环制导方法

廖瑛¹, 季海雨², 薛高雄¹

1.国防科学技术大学航天科学与工程学院,湖南长沙 410073;
2.中国卫星海上测控部,江苏江阴 214400

收稿日期:2016-11-25 出版日期:2018-09-10 发布日期:2019-01-08
作者简介:廖瑛(1961-),女,湖南长沙,博士,博导,研究方向为飞行器设计与系统仿真;季海雨(1992-),男,江苏无锡,硕士,研究方向为飞行器设计与系统仿真。
基金资助:
航天支撑技术基金(2015-HT-GFKD)

Optimal Closed-Loop Guidance for Cruise Missiles Based on Pseudospectral Method

Liao Ying¹, Ji Haiyu², Xue Gaoxiong¹

1.College of Aerospace Science and Engineering, National University of Defence Technology, Changsha 410073, China;
2. China Satellite Maritime Measurement and Control Department, Jinagyin, 214400, China

Received:2016-11-25 Online:2018-09-10 Published:2019-01-08

摘要/Abstract

摘要： 巡航导弹在飞行过程中面临复杂约束,容易遭遇干扰和突发事件而偏离预定轨迹。针对此情况,在利用伪谱法求解轨迹规划最优控制问题的基础上,基于滚动时域策略,通过动态轨迹重构形成制导指令的方式实现最优闭环制导。针对导弹飞行过程中可能遇到的突发事件和干扰,进行仿真试验,验证此方法的修正能力和可行性。仿真结果表明,基于伪谱法的巡航导弹最优闭环制导方法可以同时满足实时性和精度要求,对不同干扰误差和任务更改形式具有良好的适应性。

关键词: 巡航导弹, 轨迹规划, 伪谱法, 最优闭环制导

Abstract: Cruise missiles facing complex constraints are prone to deviation from the intended trajectory due to disturbances and unexpected situations in flight. Based on solving the optimal control problem of trajectory optimization with pseudospectral method, the optimal closed-loop guidance is realized by continuous on-line trajectory reconstruction using the rolling time-domain strategy. The simulation experiments are also undertaken for the unexpected events and disturbances that may be encountered during flight to verify the capability and feasibility. Simulation results show that this method can meet the requirements of real-time and accuracy, and has good adaptability to different interference errors and task modification forms.

Key words: cruise missiles, trajectory optimization, pseudospectral method, optimal closed-loop guidance

中图分类号:

TJ765.3

廖瑛, 季海雨, 薛高雄. 基于伪谱法的巡航导弹最优闭环制导方法[J]. 系统仿真学报, 2018, 30(9): 3464-3471.

Liao Ying, Ji Haiyu, Xue Gaoxiong. Optimal Closed-Loop Guidance for Cruise Missiles Based on Pseudospectral Method[J]. Journal of System Simulation, 2018, 30(9): 3464-3471.

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基于伪谱法的巡航导弹最优闭环制导方法

Optimal Closed-Loop Guidance for Cruise Missiles Based on Pseudospectral Method

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