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引入了基于频域理论的H∞回路成形鲁棒设计方法对某型航空发动机进行控制器设计,对设计过程中的关键技术进行了研究。在控制器设计过程中,引入多目标遗传算法对能使系统奇异值形状满足设计要求的权函数参数进行全局寻优,有效提高了控制器的设计效率和设计的准确性。同时对传统的控制回路结构进行了改形,改善了控制器性能。最后在设计的航空发动机数控系统快速原型化实时仿真平台上进行了硬件在回路仿真,证实了所设计的改型后的H∞回路成形控制器在航空发动机控制上所具有的良好的性能。
The H∞ loop forming robust design method based on frequency domain theory was introduced to design a kind of aeroengine controller. The key technologies in the design process were studied. In the process of controller design, multi-objective genetic algorithm (GA) is introduced to globally optimize the weight function parameters which can make the singular value shape of the system meet the design requirements, which effectively improves the design efficiency and design accuracy of the controller. At the same time, the traditional control loop structure has been modified to improve the controller performance. Finally, hardware loopback simulation is performed on the designed rapid prototyping real-time simulation platform of aeroengine numerical control system, which proves the good performance of the modified H∞ loopforming controller in aeroengine control.