可重复使用运载器异构多执行机构混合算法研究

Research on Mixing Logic of Aero-surface and Reaction Control System for Reusable Launch Vehicle

基于线性规划方法对可重复使用运载器提出了一种简单有效、物理意义明显的实时在线控制分配算法,根据高空段飞行器的参考轨迹,提出了合理的系统结果和实现方法。将控制律给出的控制力矩合理分配给气动面的反作用控制系统,并考虑了实际的硬件特性要求。分析了算法中参数的设置方法和其对应的物理意义。避免了由于执行机构和其工作模式更换导致飞行器出现瞬态变化和系统颤振。最终的仿真表明了该算法具有明显的效果。

This text develops a simple, real-time online control allocation logic, base on the reference trajectory in high altitude. A feasible system result and method is developed. The control moment from control law is allocated to aerosurface and reaction control system, in this phase the limits from hardware are taken into consideration. The parameter of mixing logic and physical meaning is analyzed. The final simulation results show the good result of this method.