Early detection of rotating stallin axial flow compressors via deterministic learning:detectability analysis  

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作  者:Tianrui Chen Shuai Han Zejan Zhu Cong Wang 

机构地区:[1]School of Control Science and Engineering,Shandong University,Jinan 250061,Shandong,China [2]Center for Intelligent Medical Engineering,Shandong University,Jinan 250061,Shandong,China [3]School of Automation Science and Engineering,South China University of Technology,Guangzhou 510641,Guangdong,China

出  处:《Control Theory and Technology》2023年第2期161-172,共12页控制理论与技术(英文版)

基  金:This work was supported in part by the Major Program of the National Natural Science Foundation of China(No.61890922);in part by the Major Basic Program of Shandong Provincial Natural Science Foundation(No.ZR2020ZD40).

摘  要:Rotating stall and surge are two violent unstable phenomena of an aero-engine compressor.The early detection of rotating stall is a critical and difficult issue in the operation of a compressor.Recently,a deterministic learning based stall inception detection approach(SIDA)has been developed for modeling and detecting stall inception in aero-engine compressors.This paper considers the derivation of analytical results on the detection capabilities for the SIDA based on deterministic learning.First,by utilizing the input/output stability of the residual system,a detectability condition of the SIDA is presented,and how to choose the parameters of the diagnostic system is also analyzed.Second,based on the relationship between NN approximation capabilities and radial basis function(RBF)network structures,the influence of RBF network structures on the performance properties of the SIDA is analyzed.Finally,a simulation study is presented,in which the Mansoux-C2 compressor model is utilized to verify the effectiveness of the proposed SIDA.

关 键 词:Axial compressor Rotating stall SURGE Fault detection Deterministic learning Detectability condition 

分 类 号:TH45[机械工程—机械制造及自动化]

 

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