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空地导弹数学模型与系统仿真研究
Research on the Mathematical Models and System Simulation of Air-To-Ground Missile
【作者】 尚磊云;
【导师】 李新国;
【作者基本信息】 西北工业大学 , 飞行器设计, 2004, 硕士
【摘要】 计算机建模与仿真技术,经过多年的发展形成了许多理论和方法,广泛应用于国内外导弹武器系统研制中,发挥出巨大的经济效益。以计算机数学模型来部分代替,甚至完全取代物理模型系统,进行仿真,可以大大地提高工作效率,缩短研制周期,节约经费。随着导弹武器系统研制中仿真技术应用的深入,国内导弹研制单位对导弹仿真模型的要求越来越高。 本文针对实时仿真的要求,以具有清晰的物理概念和足够的物理独立性的物理系统或部件为基础,充分考虑导弹各子系统模块的相对独立性和耦合性,尽可能的降低模块间的耦合程度,建立整个导弹武器系统的仿真模型,用于导弹武器系统的数字仿真。主要内容有: 1.确立导弹武器系统的系统结构。合理划分各个分系统功能模块,确立各个分系统之间的接口规范。 2.建立导弹各个子系统的计算模型,主要有捷联惯性导航系统、弹体、导弹自控段的控制稳定回路、采用电视制导和比例导引制导律的导引系统,以及采用过载控制的自动驾驶仪,然后在此基础上建立导弹各系统仿真模型。 3.利用建立的各个分系统仿真模型组装成整个导弹系统的仿真模型,完成基于系统模型的仿真与分析 本文的研究在导弹武器系统的仿真工作中有着重要的实际意义和广泛的应用前景,在本文的研究的基础上,根据已有的导弹试验数据,建立精确的、符合实际的在研型号或相关型号的仿真模型,用于导弹武器系统仿真,从而大大节省试验次数和试验经费,缩短研制周期。
【Abstract】 Over the past decades, computer modeling and simulation technology, have made a great advantage on different theories and methods, and been widely applied to the missile-weapon system design and manufacture. The benefits of computer simulation based on mathematical models, partly or even completely instead of physical models, are well understood: higher work efficiency, shorter developed cycle, lower cost and more safety. As simulation technology is applied more deeply during design and manufacturing processes of missiles, more precise models of missiles are required.According to the requirements of real-time simulation, this thesis build the independent models of missile weapon systems for numerical simulation considering the independence and coupled relations of physical subsystems or parts and try to reduce the coupled degree. The main content of this thesis include:Firstly, the missile weapon systems are divided into several subsystems according to function, and the interface protocols between subsystems. And then the structure of the whole system is constructed.Consequently, computational models of all subsystems are constructed, such as the Strapdown Inertial Navigation System(SINS), the control loop applied in self-control period, the guidance system by applying the technology of television (TV) guidance and the guidance law of proportion navigation, the autopilot by applying the technology of overload control in terminal control period, and so on. Then based on them, simulation models are constructed.Finally, subsystem simulation models of missile are integrated as a whole system simulation model, and the system simulation model is analyzed in the end.The work of this thesis has practical significance and applied perspective in simulation of missile weapon system. Utilizing the experimental data of missile, we can construct high fidelity model in the simulation of missile weapon system based on the work of this thesis. So the experimental times and cost can be reduced, and the design and manufacturing period can be compressed significantly.
【Key words】 SINS; Proportion Navigation; Overload Control; TV Guidance;
- 【网络出版投稿人】 西北工业大学 【网络出版年期】2004年 03期
- 【分类号】TJ762
- 【被引频次】21
- 【下载频次】1972