激光半主动末段弹道修正控制技术研究

【作者】 程玉振；

【导师】 顾晓辉；

【作者基本信息】 南京理工大学 ， 机械电子工程， 2008， 硕士

【摘要】 本文研究了激光半主动末段弹道修正控制技术的相关理论和方法,初步对脉冲简易控制系统的硬件和软件部分进行了整体设计。基于激光四象限探测器的目标探测原理,分析了如何利用四象限探测器的输出量实现对目标方位角δ和跟踪角误差ε的计算方法,并根据激光半主动制导方式的特点,建立了目标探测的方位模型。建立了弹丸在修正状态下的六自由度弹道模型,并结合脉冲修正力的特点,分析了各控制参量和脉冲力基本参数对修正效果的影响,所得结论对脉冲发动机的制造和控制参量的设置提出了性能要求。对激光半主动末段弹道修正控制技术进行研究,并在以往的相关理论的基础上,研究了一种脉冲简易控制的方法,该方法充分利用了控制系统的硬件和软件资源,使脉冲简易控制理论更易于实现。选用TMS320LF2407作为主控制器,对脉冲简易脉冲控制系统的硬件和软件部分进行了整体设计,并对激光四象限目标探测和ADC电路、以及SPI数据接收模块和脉冲点火模块的硬件和软件部分进行设计。该部分设计为以后的脉冲简易控制系统研究提供了参考。更多还原

【Abstract】 In this dissertation, the control technique of terminal trajectory correction projectile which adopts laser semi-active homing guidance technique in the correction phase has been researched; an initial design of the hardware and software algorithm related also has been done.Based on the target detection principle of four-quadrant photo-detector with laser guidance technology, the computation process of target bearing and tracking deflection angle are analyzed using the output of four-quadrant photo-detector, and the target detection model is found on the principle of laser semi-active homing guidance.The affects of control parameters setting and basic parameters of impulse engine on the correction ability are analyzed in the 6-DOF model of the projectile with correction impulse force. The analysis result is useful to the impulse engine design and the control parameters setting.The control technique of terminal trajectory correction projectile has been studied, and a simple control method of impulse engines based on the previous studies is proposed, this control method takes full advantage of the resource of the controller, which makes it easy to carry out the impulse control.Selecting DSP TMS320LF2407 as master controller to design the integrated system of the hardware and software algorithm related. The core of this part includes the quadrant photo-detector’s signal processing circuit and ADC circuit design, the data collection circuit design based on SPI, the impulse engine ignition circuit design, and the software related above. This part is a pilot study of the impulse simple control system.更多还原