动力陀螺式导引头动力学建模与分析

Dynamic Modeling and Analysis of Gyro-stabilized Seeker

首先,分析了动力陀螺式导引头的工作原理及其性能的不足;其次,通过建立导引头陀螺跟踪系统的耦合动力学模型,推导出了解耦回路和跟踪回路的传递函数,从动力学稳定性的角度指出了影响导引头解耦性能和跟踪性能的关键参数;最后,通过对比数学仿真和半实物仿真结果,验证了动力学模型的准确性。通过对导引头的建模与仿真,从机理上分析了导引头参数对导引头性能的影响,可为后续导引头的设计提供理论支撑。

Firstly,the working principle and deficiencies of gyro-stabilized seeker are analyzed.Secondly,the coupling dynamic model of gyro tracking system is established,and transfer functions of the decoupling loop and tracking loop are derived.Based on the dynamic stability,the key parameters affecting the decoupling and tracking performance of the seeker are pointed out.Finally,the accuracy of the dynamic model is verified by comparing the results of mathematical simulation and Hardware-In-Loops simulation.The modeling and simulation of seeker can provide theoretical support for the design and development.