摘要
对6自由度刚体弹道模型进行了线性化,得到了线性弹道方程组。求解线性弹道方程组得到其解析解,并给出详细求解过程。以6自由度刚体弹道模型为基准,在不同射角条件下用6自由度刚体弹道模型和线性弹道模型进行了弹道仿真。仿真结果表明:该线性弹道模型能满足工程精度要求,它模型简单,弹道计算方便快速,在弹道滤波处理中可作为卡尔曼滤波模型,也可作为弹道快速模型用于简易制导弹箭预测控制系统设计。
The 6 degree-of-freedom rigid trajectory model was linearized thus to obtain the linear tra-jectory equations.The analytical solution progress was expressed in detail.The linear trajectory mo-del and the 6 degree-of-freedom rigid trajectory model were compared through the numerical simulation in different firing angles,and the 6 degree-of-freedom rigid trajectory model was used as the true model.The results show that the linear trajectory model meets the precision requirement in enginee-ring.The linear trajectory model is simple and convenient for calculating trajectory.It could be used as the Kalman filtering model in trajectory filtering and rapid trajectory predictive model in the guided munitions model prediction control system.
出处
《海军工程大学学报》
CAS
北大核心
2010年第2期84-91,96,共9页
Journal of Naval University of Engineering
关键词
弹道模型
线性化
解析解
trajectory model
linearization
analytical solution
