[1]邵 雷,雷虎民,张大元.基于网格划分与BP网络的中制导弹道在线生成方法[J].弹道学报,2019,(03):1-6.[doi:10.12115/j.issn.1004-499X(2019)03-001]
 SHAO Lei,LEI Humin,ZHANG Dayuan.Trajectory Generation for Midcourse Guidance Based onGrid Partition and BP Neural Network[J].Journal Of Ballistics,2019,(03):1-6.[doi:10.12115/j.issn.1004-499X(2019)03-001]
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基于网格划分与BP网络的中制导弹道在线生成方法()
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《弹道学报》[ISSN:1004-499X/CN:32-1343/TJ]

卷:
期数:
2019年03期
页码:
1-6
栏目:
出版日期:
2019-09-30

文章信息/Info

Title:
Trajectory Generation for Midcourse Guidance Based onGrid Partition and BP Neural Network
文章编号:
1004-499X(2019)03-0001-06
作者:
邵 雷1雷虎民1张大元2
1.空军工程大学 防空反导学院,陕西 西安,710051; 2.中国人民解放军95983部队,甘肃 酒泉,732750
Author(s):
SHAO Lei1LEI Humin1ZHANG Dayuan2
1.Air and Missile Defense College,Air Force Engineering University,Xi’an 710051,China; 2. Unit 95983 of PLA,Jiuquan 732750,China
关键词:
拦截弹 中制导 弹道优化 神经网络
Keywords:
interceptor missile midcourse guidance trajectory optimization neural network
分类号:
V412.4
DOI:
10.12115/j.issn.1004-499X(2019)03-001
摘要:
针对临近空间高超声速目标高速、高机动的特点,为改善拦截弹中制导性能,将基于网格划分的中制导离线弹道优化与神经网络相结合,提出了一种中制导弹道在线生成方法。以拦截区域网格化形成的网格点为约束,采用离线弹道优化方法,形成覆盖拦截区域的弹道数据库; 利用BP神经网络对非线性函数的逼近特性,通过训练实现对弹道数据库的逼近,构建BP神经网络模型,实现中制导弹道在线生成。仿真分析结果表明:中制导过程中,在终端约束调整和不调整的2种情况下,该文设计的中制导弹道生成方法均具有较好的性能。
Abstract:
Aiming at the characteristics of high speed and high maneuvering of near space hypersonic-target,the midcourse guidance off-line trajectory optimization based on grid division was combined with neural network,and an on-line trajectory generation method for midcourse guidance was proposed to improve the midcourse-guidance performance of interceptor missile. Taking the grid points obtained by meshing the intercept area as constrain,the trajectory data base covering intercept area was constructed by means of off-line trajectory optimization. Based on the property of BP neural network approximating any nonlinear functions,the approximation of trajectory data base was achieved,and the BP neural network model was constructed. The on-line generation of midcourse-guidance trajectory was realized. Simulation results show that in the process of midcourse guidance,the proposed generation method of midcourse-guidance trajectory has good performance with and without adjusting terminal constrain.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-03-25
基金项目:国家自然科学基金项目(61503408; 61573374)
作者简介:邵雷(1982- ),男,副教授,博士,研究方向为飞行器制导与控制。E-mial:shaolei_zj@163.com。
更新日期/Last Update: 2019-09-30