Integrated reconfigurable flight control method for aircraft with multiple control effectors
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摘要: 为提高飞机飞行安全性能,将被动重构控制与主动重构控制相结合,提出了一种综合重构飞行控制系统设计方法.采用轨迹线性化控制方法进行飞行控制律设计,使系统具有较强的鲁棒性.针对多操纵面飞机,提出面向故障的操纵面管理概念,通过基排序最优控制分配方法以基底的形式对操纵面进行重新组合,并按照期望控制目标进行排序,实现在操纵面故障下的控制重构.仿真结果表明,该控制系统能有效处理各种典型操纵面故障,在操纵面发生故障时仍能快速跟踪控制指令,保证较好的飞行性能.Abstract: An integrated reconfigurable flight control design method, combining passive reconfigurable flight control with active reconfigurable flight control, was presented for enhancing flight safety. The robust flight control law was designed by the trajectory linearization control method. In addition, the concept of management of control effectors was proposed to regulate the remaining control effectors. The control reconfiguration under control effector failures was achieved by optimal basis-sequence control allocation method which recombined the available control effectors as bases of multidimensional space and sequenced them according to the control objective. The simulation results indicate that the integrated reconfigurable flight control system can deal with some typical failures of control effectors. And the control commands can be followed with relative good handling quality under control effectors failures.
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