超声速巡航导弹速度控制系统设计

为解决超声速巡航导弹速度控制系统存在的参数时变、不确定干扰问题,设计了一种反演鲁棒控制律。在巡航导弹的动力学模型中考虑固体冲压发动机的工作特性,分析并建立了超声速巡航导弹速度控制系统数学模型; 采用反演算法推导了虚拟期望推力值,并基于Lyapunov理论设计了具有鲁棒性能的速度控制律。以某超声速巡航导弹为例,设计反演鲁棒控制律,并与传统PID控制进行对比分析,仿真结果表明,速度控制系统能够快速、准确地跟踪速度指令且具有较强的鲁棒性。

Design of Velocity Control System for Supersonic Cruise Missile

A backstepping robust control method was proposed for supersonic cruise missile velocity control systems with time-varying parameters and uncertain disturbances. Considering the working performance of solid ramjet,the model for velocity control system was analyzed and established. By using backstepping control technique,the virtual thrust command was acquired,and a robust velocity controller was developed based on Lyapunov theory. Taking some supersonic cruise missile as an example,a backstepping robust control-law was designed,which was compared with the traditional PID control-law. The simulation results show that the proposed control approach has strong robustness,and the velocity command can be tracked quickly and accurately.