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针对航空发动机工作安全边界,提出了一种基于切换控制的航空发动机控制系统设计方法.给出了切换控制策略的设计思路及切换稳定性的条件.给出基于混合灵敏度的航空发动机多回路切换鲁棒控制器设计方法,并构造了线性矩阵不等式.通过基于计算得到的控制器参数仿真表明,采用该切换方式相比于Min/Max切换方式消除了积分饱和在切换中延迟影响,提高发动机的动态响应能力及鲁棒性,同时可以保证切换的稳定性.
Aeroengine control system design method based on switching control is proposed for the working safety boundary of aeroengine.The design idea of switching control strategy and the conditions of switching stability are given.The multiloop switching of aeroengine based on hybrid sensitivity The controller design method and the linear matrix inequality are established.By simulating the controller parameters based on the simulation, it is shown that the switching mode is more effective than the Min / Max switching mode in eliminating the influence of integral saturation on the switching delay and improving the engine dynamics Responsiveness and robustness, while ensuring the stability of the handover.