增广LQL方法及其在航空发动机控制中的应用
Augmented LQL method and its application to aeroengine control
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摘要: 将LQL(Linear quadratic L2bounded uncertainties)控制方法应用于航空发动机控制系统设计.并提出了增广LQL控制方法, 应用其设计了航空发动机控制系统.在飞行包线内对控制系统进行了仿真, 结果表明增广LQL控制方法控制精度高、鲁棒性强.Abstract: LQL(Linear quadratic L2 bounded uncertainties)control method was applied to the aeroengine control system.The augmented LQL method was proposed,then the aeroengine control system was designed by using the method.Simulation of the control system in the flight envelope was performed,and excellent tracking performance and robustness were obtained.
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Key words:
- aerospace propulsion system /
- aeroengine control /
- uncertainty /
- LQL /
- augmentation
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[1] Chen S B.The robust optimal control of uncertain system-state space method[R].IEEE Trans.Automat.Contr.1993,AC-38(6):951-957. [2] 陈善本,范颖晖.具L2有界不确定性系统线性二次鲁棒最优控制--LQL方法[M].北京:科学出版社,2004. [3] 樊思齐,许芸华.航空推进系统控制[M].西安:西北工业大学出版社,1995. [4] 杨刚,孙健国,李秋红.航空发动机控制系统中的增广LQR方法[J].航空动力学报,2004,19(1):153-158.YANG Gang,SUN Jianguo,LI Qiuhong.Augmented LQR method for aeroengine control systems[J].Journal of Aerospace Power,2004,19(1):153-158. -
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