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基于预测碰撞点的剩余飞行时间估计方法

李辕 赵继广 白国玉 闫梁

李辕, 赵继广, 白国玉, 等 . 基于预测碰撞点的剩余飞行时间估计方法[J]. 北京航空航天大学学报, 2016, 42(8): 1667-1674. doi: 10.13700/j.bh.1001-5965.2015.0509
引用本文: 李辕, 赵继广, 白国玉, 等 . 基于预测碰撞点的剩余飞行时间估计方法[J]. 北京航空航天大学学报, 2016, 42(8): 1667-1674. doi: 10.13700/j.bh.1001-5965.2015.0509
LI Yuan, ZHAO Jiguang, BAI Guoyu, et al. Method of time-to-go estimation based on predicted crack point[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(8): 1667-1674. doi: 10.13700/j.bh.1001-5965.2015.0509(in Chinese)
Citation: LI Yuan, ZHAO Jiguang, BAI Guoyu, et al. Method of time-to-go estimation based on predicted crack point[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(8): 1667-1674. doi: 10.13700/j.bh.1001-5965.2015.0509(in Chinese)

基于预测碰撞点的剩余飞行时间估计方法

doi: 10.13700/j.bh.1001-5965.2015.0509
基金项目: 国家“863”计划
详细信息
    作者简介:

    李辕,男,博士研究生。主要研究方向:航天任务分析与设计。Tel.:010-66364196。E-mail:bartholomew_lee@hotmail.com;赵继广,男,博士,教授,博士生导师。主要研究方向:航天任务分析与设计。Tel.:010-66364196。E-mail:zjgbeijing@126.com

    通讯作者:

    赵继广,Tel.:010-66364196,E-mail:zjgbeijing@126.com

  • 中图分类号: TJ765;TJ761.7

Method of time-to-go estimation based on predicted crack point

  • 摘要: 分别针对顺轨与逆轨拦截飞行轨迹的特点,设计了相应的剩余飞行时间(TGO)估计方法。该方法通过对弹目碰撞点的预测,降低了发射条件差异对TGO估计精度的影响。首先对线性比例导引运动方程进行变形,得到拦截弹飞行轨迹关于弹目距离的一阶微分方程,基于预测碰撞点,对不同初始发射角造成的积分结果误差进行修正,得出了2种拦截模式下的TGO解析表达式。通过与3种现有估计方法对比分析,验证了提出方法的实时性和估计精度,且能够优化制导性能。

     

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出版历程
  • 收稿日期:  2015-07-31
  • 网络出版日期:  2016-08-20

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