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首先给出了迭代制导方法,然后建立了姿态动力学全量数学模型,在考虑弹性振动和液体晃动的情况下,进行了制导与姿控系统的六自由度联合仿真。仿真结果表明,在迭代制导实时优化输出程序角的情况下,姿控系统具有良好的跟踪性能;在制导与姿控子系统相互作用的情况下,能够确保制导程序角的收敛和姿态的稳定。
Firstly, an iterative guidance method is given, and then a full mathematical model of attitude dynamics is established. Six degrees of freedom joint simulation of guidance and attitude control system is carried out under the condition of elastic vibration and liquid sloshing. The simulation results show that the attitude control system has good tracking performance under the condition of iterative guidance and real-time optimization of the output program angle. With the interaction between the guidance and attitude control subsystems, it can ensure the convergence of the guidance program angle and the stability of the attitude.