[1]杨小会,王超,薛冰.基于攻角修正系数的落点预测方法[J].探测与控制学报,2018,40(04):23.[doi:.]
 YANG Xiaohui,WANG Chao,XUE Bing.Impact Point Prediction Method Based on Modified Coefficient of Attack Angle[J].,2018,40(04):23.[doi:.]
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基于攻角修正系数的落点预测方法()
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《探测与控制学报》[ISSN:1008-1194/CN:61-1316/TJ]

卷:
40
期数:
2018年04期
页码:
23
栏目:
出版日期:
2018-08-26

文章信息/Info

Title:
Impact Point Prediction Method Based on Modified Coefficient of Attack Angle
文章编号:
1008-1194(2018)04-0023-04
作者:
杨小会王超薛冰
机电动态控制重点实验室,陕西 西安 710065
Author(s):
YANG Xiaohui WANG Chao XUE Bing
Science and Technology on Electromechanical Dynamic Control Laboratory,Xi’an 710065,China
关键词:
二维弹道修正引信落点预测攻角修正系数
Keywords:
two-dimensional trajectory fuze impact point prediction attack angle modified coefficient
分类号:
TJ43
DOI:
.
文献标志码:
A
摘要:
针对四自由度模型中攻角解算精度不高导致落点预测精度低的问题,提出了基于攻角修正系数的落点预测方法。该方法以引入攻角修正系数的四自由度弹道模型为状态模型,卫星定位测量的位置、速度和磁传感器测量的转速为量测量构筑量测方程,采用扩展卡尔曼滤波估计攻角修正系数,然后基于攻角修正系数解算四自由度弹道模型预测弹丸落点。155 mm底排弹最大射程仿真和外场试验数据验证结果表明,采用修正系数修正攻角预测落点能有效提高弹丸落点预测精度,预测CEP可达到20 m,可推广应用于中大口径系列榴弹。
Abstract:
Aiming at the problem that the accuracy of the impact point prediction(IPP)is low due to the low accuracy attack angle in the four-degree-of-freedom(4-DOF)trajectory model, a method of IPP based on the correction of attack angle was proposed. In this method, the 4-DOF trajectory model with angle of attack correction was used as the state model, the satellite positioning measurement model and the roll rate measured model by the magnetic sensor were constructed measurement equation, the extended Kalman filter was used to estimate the correction coefficient of attack angle, and based on the coefficient,the 4-DOF trajectory model was used to predict the impact point. The result of function and experiment indicated that proposed method could improve the IPP accuracy and predict the CEP up to 20 meters, the method could be the same with the projectiles in the series.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-03-03
作者简介:杨小会(1979—),女,陕西澄城人,硕士,副研究员,研究方向:导航、制导与控制。E-mail:59494646@qq.com。
更新日期/Last Update: 2018-09-14