Model-based on-board turbofan thrust estimation

被引：44
作者：
Henriksson, Mattias [1 ]
Gronstedt, Tomas [1 ,2 ]
Breitholtz, Claes [3 ]
机构：
[1] Volvo Corp, Volvo Aero, SE-46181 Trollattan, Sweden
[2] Chalmers Univ Technol, Dept Appl Mech, SE-41296 Gothenburg, Sweden
[3] Chalmers Univ Technol, Dept Signals & Syst, SE-41296 Gothenburg, Sweden
来源：
CONTROL ENGINEERING PRACTICE | 2011年 / 19卷 / 06期
关键词：
Gas turbine; Thrust estimation; Observer; Model-based estimation;
D O I：
10.1016/j.conengprac.2011.02.004
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this article model-based thrust estimation for turbofan engines is discussed. Two different model-based thrust estimation filters are applied to a low bypass ratio turbofan engine. The two estimators are based on a simple gross thrust model and on a thermodynamic semi-transient model, respectively. The filter parameter estimation as well as the corresponding validation of parameters is based on the use of the "leave one out cross validation" technique. In this article it is demonstrated, in particular, that a thrust estimation filter based on the thermodynamic semi-transient engine model(1) shows good accuracy and predicts the transient thrust and static measurements very well. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：602 / 610
页数：9
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