Real time linear simulation and control for small aircraft turbojet engine

被引：7
|
作者：
Kong, CD [1 ]
Chung, SC
机构：
[1] Chosun Univ, Dept Aerosp Engn, Kwangju, South Korea
[2] Seoul Natl Polytechn Univ, Dept Mech Design Engr, Seoul, South Korea
来源：
KSME INTERNATIONAL JOURNAL | 1999年 / 13卷 / 09期
关键词：
turbojet engine performance; nonlinear dynamic simulation; real time linear simulation and control;
D O I：
10.1007/BF03184576
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The performance of the aircraft gas turbine engine requires optimization because it is directly related to overall aircraft performance. Tn this study, a modified DYNGEN, a nolinear dynamic simulation program with component maps of the small aircraft turbojet engine, was used to predict the overall engine performance. Response characteristics of various cases, such as 6%, 5% and 3% rpm step models and the real-time linear model of the interpolation scheme within the operating range were compared. Among them, the real time linear model was selected for the turbojet engine with nonlinear characteristics. Finally control schemes such as PI(Proportional -Integral Controller) and LQR (Linear Quadratic Regulator) were applied to optimize the engine performance. The overshoot: of the turbine inlet temperature was effectively eliminated by LQR controller with the proper control gain K.
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页码：656 / 666
页数：11
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