AN IN-FLIGHT ADAPTIVE MODEL OF TURBOFAN

Li Songlin; Sun Jianguo; Huang Jinquan; Li Jianming

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AN IN-FLIGHT ADAPTIVE MODEL OF TURBOFAN

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- AN IN-FLIGHT ADAPTIVE MODEL OF TURBOFAN
- Vol. 13, Issue 3, (1998)
- 作者机构：
  
  1. 南京航空航天大学
  2. 中国燃气涡轮研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1998
- 稿件说明：
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Li Songlin, Sun Jianguo, Huang Jinquan, et al. AN IN-FLIGHT ADAPTIVE MODEL OF TURBOFAN[J]. 1998, 13(3).
DOI：

Li Songlin, Sun Jianguo, Huang Jinquan, et al. AN IN-FLIGHT ADAPTIVE MODEL OF TURBOFAN[J]. 1998, 13(3). DOI：

摘要

本文研究用涡扇发动机可测输出参数偏离变化来表征发动机的非额定工作特性，将它们做为增广的状态量，设计卡尔曼滤波器进行最优估计，将这些估计值用于修正对发动机不可测参数和性能量的计算，以形成机载自适应模型。仿真研究表明，采用该方法建立的机载模型对性能蜕化所致的发动机非额定工作具有很好的适应能力。

Abstract

A real time adaptive model for turbofan engine is developed

which uses Kalman Filter concept to estimate unmeasured output variables and characterizes the effects of off-nominal engine behavior as biases on the measurable output variables.An adaptive engine model is formulated and its block diagram is set up with this method.The estimates of the output variables obtained from the presented model are compared with nonlinear simulation results of the engine for testifying its adaptability to the off-nominal behavior of the engine with deteriorated performance.

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