摘要火控系统中,根据目标解算的高低角与方向角对火控系统来说是极为关键的，当高低角和方向角合适时，可以准确的击中目标，反之则可能偏离目标。火控系统的解算通常是在平台水平下进行的，所求的结果即高低角 和方向角 也是对应平台坐标系的而言的。如果平台存在水平倾斜角 时，就可能会使弹丸的射程减小并发生偏离，因此需要调节高低角和方向角来增大射程和修正偏转。为了以平台坐标系为基准，需要进行 角的坐标转换，对高低角 和方向角 进行修正。本文根据火控系统的外弹道方程和相应变量的初值，应用初值问题的龙格-库塔法进行求解，使用迭代法的思想应用软件MATLAB进行编写程序，最终求的修正后的高低角 和方向角 ，并且进行验证，使其在一定的误差范围内符合要求，从而可以根据火炮发射平台的倾斜角度得到合适的角度对火炮进行合理的调节。65210

毕业论文关键词  火控系统  坐标变换  倾斜平台  迭代法

毕业设计说明书（论文）外文摘要

Title  THE RESEARCH ON SOLUTION METHOD OF FIRE CONROL SYSTEM OF TILT PLATFORM                                                  

Abstract For fire control system , the elevation angle and direction angle is

extremely critical. When the elevation angle and direction angle is right, you can hit the target accurately, otherwise you may deviate from the target. The solver of fire control system is usually carried out under the platform, the demand pointing angle and direction angle correspond to the platform coordinate system If the platform exists horizontal tilt angle  , It will reduce the range of the projectile and off target ,therefore we need to adjust the elevation angle and direction angle to increase the range and offset the correction of target .In order to set platform coordinate system as the reference, we need to make coordinate conversion according to the angle  to correct the aiming angle  and the direction angle .This article, according to the external ballistics  equations of fire control system and the initial value of the variables, use Runge - Kutta method to get the solvers and use the idea of iterative to program with software of MATLAB to get the corrected aiming angle and the corrected direction angle .The solvers have been verified can meet the requirements within a certain error range. At last, we can get the reasonable angles to regulate the cannon when we have known the tilt angle of gun firing platform. 

Keywords  fire control system    coordinate transformation  

Tilt platform           iterative method 

目次

1 引言 1

1.1课题的背景意义和前景 1

1.2课题研究的现状 1

1.3论文内容简介 5

2 倾斜平台火控法理论基础及程序设计 5

2.1火控系统校正问题的提出 5

2.2 弹丸质心运动方程 6

2.3 初值问题的龙格-库塔法 7

2.4根据各点诸元进行瞄准角和方向角的修正 10

2.5转动坐标系的转换 10

2.6外弹道方程组初始值 13

2.7程序设计过程介绍 14

2.8本章小结