Research on Adaptive Cycle Engine Mode Transition Control Method

被引:0
|
作者
Zhao, Xingyu [1 ]
Li, Qiuhong [1 ]
Pang, Shuwei [1 ]
Xue, Zhaohui [1 ]
Deng, Daming [1 ]
Lu, Feng [1 ]
机构
[1] Nanjing Univ Aeronaut & Astronaut, Coll Energy & Power Engn, Jiangsu Prov Key Lab Aerosp Power Syst, Nanjing 210016, Peoples R China
关键词
adaptive cycle engine; mode transition control; control schedule optimization; Bezier curves; ALQR control; PERFORMANCE;
D O I
10.3390/en17061276
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Mode transition is an important dynamic process of an adaptive cycle engine (ACE). In order to obtain a smooth mode transition process, the closed-loop controller is designed based on the strong robust augmented linear quadric regulator (ALQR) method, and with the objective of minimizing the thrust fluctuation in the process of mode transition, an open-loop geometrical mechanism control schedules optimization method based on Bezier curves is proposed, so that the closed-loop control and the open-loop control can work in coordination. The simulation results at the subsonic cruise operating point and supersonic cruise operating point show that based on the optimized open-loop geometrical mechanism control schedules and the designed closed-loop ALQR control system, the ACE achieves fast and smooth geometrical mechanisms and engine output transition during the mode transition process with a maximum thrust fluctuation of 2.58%, which is much smaller than that of the traditional linear variation geometric mechanisms with a maximum 4.64% thrust fluctuation, which verifies the effectiveness of the proposed control method.
引用
收藏
页数:16
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