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简易制导航弹的弹道特性与数字仿真

Trajectory Characteristics and Numeric Simulation of the Simply Guided Bomb

【作者】 孙传杰

【导师】 薛晓中; 邵大燮;

【作者基本信息】 南京理工大学 , 兵器发射理论与技术, 2003, 硕士

【摘要】 本文以简易制导航弹为研究对象,分析了其所受外力及力矩的作用情况,建立了相应的坐标系统和完整的空间运动的数学模型。在此基础上,通过小扰动理论将简易制导航弹的空间运动数学模型化简,得到简易制导航弹的空间扰动运动数学模型。根据简易制导航弹的实际飞行情况,作出了一些假设条件,将简易制导航弹的空间扰动运动分解成纵向扰动运动和侧向扰动运动,并相应的得到两个通道的数学模型。考虑到简易制导航弹的空间机动能力有限,因此本文主要分析了简易制导航弹在纵向平面的动态特性,研究了简易制导航弹的稳定性和操纵性。根据自动控制原理,本文确定了PID控制的策略,建立了PID控制器,并由根轨迹设计方法和频率设计方法确定了相应的控制器系数。对简易制导航弹进行数字仿真,完成了对制导与控制系统参数的考核。进行了简易制导航弹的地面半实物仿真。

【Abstract】 The simply guided bomb(SGB) is researched in this paper. The forces and moments acting on the bomb are analyzed and the corresponding reference frames and motion model are built .Based on disturbance theory ,the mathematical model is simplified .What’s more, taking real flight of the SGB into account, some assumptions are given .On the basis of these assumptions, the motion of the SGB is broke into the motion in vertical plane and the motion in the horizontal plane.Dynamic characteristics of the motion in vertical plane is mainly studied. PID control method is established and the corresponding parameters are got with the methods of roots design and frequency design.Finally,numeric simulation and semi-objects simulation are finished.

  • 【分类号】TJ413.6
  • 【被引频次】9
  • 【下载频次】539
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