| 捷联激光制导的视线信号提取方法 |
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| 引用本文： | 崔俊根,陈东生,王怀野,张格森,邱海韬.捷联激光制导的视线信号提取方法[J].导航与控制,2016(6):75-80. |
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| 作者姓名： | 崔俊根 陈东生 王怀野 张格森 邱海韬 |
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| 作者单位： | 1. 北京航天微系统研究所,北京,100094;2. 北京航天微系统研究所,北京100094;航天长征国际贸易有限公司,北京100070;3. 航天长征国际贸易有限公司,北京,100070 |
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| 摘 要： | 提出了一种弹目视线角信号的提取方法,该方法采用UKF解耦,针对捷联激光制导炸弹需要攻击移动目标却不能测量弹目相对距离和速度的情况,建立了弹目相对运动模型,解耦过程不需要相对距离信息,能够更方便地应用于工程实践.经仿真验证,此方法可以较好地估计出弹目视线角以及角速率信息,能够满足捷联激光制导炸弹工程应用的需要.
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| 关 键 词： | 捷联导引头 解耦 角速率估计 UKF滤波器 |
Line-of-sight Angular Estimation of Strapdown Laser Seeker |
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| CUI Jun-gen,CHEN Dong-sheng,WANG Huai-ye,ZHANG Ge-sen and QIU Hai-tao.Line-of-sight Angular Estimation of Strapdown Laser Seeker[J].Navigation and Control,2016(6):75-80. |
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| Authors: | CUI Jun-gen CHEN Dong-sheng WANG Huai-ye ZHANG Ge-sen and QIU Hai-tao |
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| Institution: | Beijing Institute of Aerospace Microsystems;Beijing Institute of Aerospace Microsystems;Beijing Institute of Aerospace Microsystems;Beijing Institute of Aerospace Microsystems;Aerospace Long-march International;Aerospace Long-march International |
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| Abstract: | Based on the angle information provided by the strapdown laser seeker and inertial navigation system, the reconstruction filter is designed, where the theory of and unscented Kalman filter (UKF) is applied to treat the nonlinearity. Compared with conventional LOS dynamic models, the relative distance between the missile and target, which is unobservable to laser seekers, together with the unknown maneuver models of the target are unnecessary. As a result, the model is convenient to use. The results of computer simulations justify the validity of the LOS reconstruction filter, which can be used to restrain noice and meet the needs of the project |
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| Keywords: | strapdown seeker decoupling angular rate estimation unscented Kalman filter (UKF) |
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