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Issue:
Aeroengine realtime monitoring based on inlet total pressure distortion
Author(s):
DING Wei
,
HE Li-ming
,
WU You-li
Pages:
609
-
613,636
Year:
2008
Issue:
5
Journal:
JOURNAL OF PROPULSION TECHNOLOGY
Keyword:
航空发动机
;
进气总压畸变
;
支持向量机
;
Abstract:
提出了一种基于进气总压畸变指数智能预测的发动机实时监控方法.在对进气总压畸变试验数据进行混沌特性分析的基础上,采用饱和嵌入维数作为支持向量机输入节点个数的选择,建立支持向量机预测模型,并将该模型应用于对发动机进气总压畸变指数的预测.结果表明,该模型可以对进气总压畸变指数随时间的变化规律做出有效预报,从而为进一步对发动机实施有效的、实时的监控提供有力的保障.
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