滚仰式半捷联导引头制导信息提取技术研究  

Research on Guidance Information Extraction Technology of Roll-pitch Semi-strapdown Seeker

作　　者：秦思凯 李超 任宏光[1] 胡一帆 张跃坤 QIN Sikai;LI Chao;REN Hongguang;HU Yifan;ZHANG Yuekun(China Airborne Missile Academy,Henan Luoyang 471009,China;Aviation Military Representative Office of Army Armament Department in Luoyang,Henan Luoyang 471009,China)

机构地区：[1]中国空空导弹研究院,河南洛阳471009 [2]陆装驻洛阳地区航空军代室,河南洛阳471009

出　　处：《弹箭与制导学报》2021年第6期90-94,共5页Journal of Projectiles,Rockets,Missiles and Guidance

摘　　要：为解决滚仰式半捷联导引头无法直接输出惯性视线角速率的问题,提出一种采用扩展卡尔曼滤波技术对视线角速率进行提取的方案。首先建立了滚仰式导引头动力学模型,并给出了惯性系下弹目视线角速率的计算方法,然后采用扩展卡尔曼滤波方法估计得到惯性系下视线角速率信息,最后建立包含滚仰式导引头的制导系统闭环数学模型,得到视线角速率提取仿真结果。结果表明,该制导信息提取算法能提取满足精度要求的视线角速率,并且比视线角速率重构方法更平滑。To slove the problem that the roll-pitch strapdown seeker can not generate the inertial rate of line of sight(LOS),a method of extracting LOS angular rate using extended Kalman filter is proposed.First of all,establishing the dynamic model of roll-pitch seeker,and the calculation method of LOS angular rate is given.Finally,the extended Kalman filter is used to estimate the LOS angular rate information.The mathematical model of closed loop guidance system with roll-pitch seeker is established,and the simulation results of LOS angular rate are given.The results show that the guidance information extraction algorithm can get LOS angular rate satisfying accuracy requirements,and the curve is smoother than LOS angular rate reconstruction method.

关 键 词：滚仰式导引头 视线角速率 重构 提取 

分 类 号：TJ765.22[兵器科学与技术—武器系统与运用工程]