低速滚转末修弹修正量估算方法  

Correction Estimation of Low-Rolling Terminal Trajectory Correction Projectile

作　　者：杨荣军[1] 王良明[1] 曹小兵[1] 修观[1] 

机构地区：[1]南京理工大学动力工程学院,南京210094

出　　处：《弹道学报》2010年第2期44-47,61,共5页Journal of Ballistics

摘　　要：为了准确地修正弹道偏差,提出了一种末段弹道修正量的估算方法.用摆动理论研究了脉冲力与脉冲力矩作用对速度偏角的影响,分析了速度偏角与末段修正量的关系,给出了单个脉冲修正量的快速估算方法,提出了脉冲方位角的算法.进行了六自由度弹道仿真,将仿真计算出的实际落点修正量与估算的修正量进行对比.结果表明,选取的脉冲作用方位较为准确,对单个脉冲修正量的估算效果较好,多个脉冲的作用效果可以叠加.To appropriately correct trajectory error, an approach of estimating terminal trajectory correction was proposed. The effect of the impulsive force and moment on the velocity deflection angle was studied by swing theory, and a fast estimation approach of the correction of each im- pulse was proposed based on the relationship between terminal correction and velocity deflection angle. The numerical simulation of the 6DOF trajectory was carried out. The actual impact point correction computed by numerical simulation was compared with the estimated correction by the approach. The results show that the chosen impulse azimuth is exact, and the fast estimation ap- proach of the correction of each impulse is effective, and the effect of multi-impulses can be superposed if the time interval of impulse is set appropriately.

关 键 词：末段修正弹 脉冲修正 点火阈值 修正能力 横向脉冲发动机 弹道 算法 

分 类 号：TJ413.6[兵器科学与技术—火炮、自动武器与弹药工程]