期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
Integrated Guidance and Control of Homing Missiles Against Ground Fixed Targets 被引量:23
1
作者 侯明哲 段广仁 《Chinese Journal of Aeronautics》 SCIE EI CAS CSCD 2008年第2期162-168,共7页
This paper presents a scheme of integrated guidance and autopilot design for homing missiles against ground fixed targets. An integrated guidance and control model in the pitch plane is formulated and further changed ... This paper presents a scheme of integrated guidance and autopilot design for homing missiles against ground fixed targets. An integrated guidance and control model in the pitch plane is formulated and further changed into a normal form by nonlinear coordinate transformation. By adopting the sliding mode control approach, an adaptive nonlinear control law of the system is designed so that the missile can hit the target accurately with a desired impact attitude angle. The stability analysis of the closed-loop system is also conducted. The numerical simulation has confirmed the usefulness of the proposed design scheme. 展开更多
关键词 integrated guidance and control pitch plane ground fixed target nonlinear adaptive
下载PDF
机载平台对固定目标时差定位的精度改善方法
2
作者 王亚涛 《计算机仿真》 CSCD 北大核心 2015年第4期86-90,共5页
针对高度粗略已知的地面固定目标三机时差定位问题,为提高定位精度,分别从不同的数据融合角度出发,提出了两种实用、可行的数据融合策略。首先,在传统时差定位求解算法—Chan算法的基础上,考虑将当前时刻和当前时刻之前的目标位置估计... 针对高度粗略已知的地面固定目标三机时差定位问题,为提高定位精度,分别从不同的数据融合角度出发,提出了两种实用、可行的数据融合策略。首先,在传统时差定位求解算法—Chan算法的基础上,考虑将当前时刻和当前时刻之前的目标位置估计值进行融合,给出了一种简化的加权最小二乘算法(Simplified Weighted Least Square,SWLS)的定位融合方法。然后,根据跟踪滤波的思想,考虑将当前时刻和当前时刻之前的时差观测量进行融合,给出了采用扩展卡尔曼滤波(Extended Kalman Filter,EKF)的定位融合策略。通过数值仿真,验证了所提出了两种定位融合策略在提高定位精度方面的有效性。 展开更多
关键词 时差定位 地面固定目标 机载平台 定位精度 数据融合
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部