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  4. Online flow estimation for condition monitoring of pumps in aircraft hydraulics
 
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Online flow estimation for condition monitoring of pumps in aircraft hydraulics

Publikationstyp
Conference Paper
Date Issued
2022-07
Sprache
English
Author(s)
Bischof, Phillip  
Thielecke, Frank  
Metzler, Dirk  
Institut
Flugzeug-Systemtechnik M-7  
TORE-URI
http://hdl.handle.net/11420/14394
Volume
7
Start Page
315--328
Citation
European Conference of the Prognostics and Health Management Society (PHM 2022)
Contribution to Conference
European Conference of the Prognostics and Health Management Society, PHM 2022  
Publisher DOI
10.36001/phme.2022.v7i1.3341
Peer Reviewed
true
Hydraulic systems in conventional civil aviation are currently monitored in a very rudimentary way. Normally, measured values are compared with a fixed threshold. If these measured values are outside the predefined limits, the entire hydraulic system is usually shut down. To overcome this deficit, a study regarding a novel prognostic health management method for aircraft hydraulic pumps, which allows a statement about the pump condition, is presented in this paper. The method is based on measuring differential pressure and temperature at a suitable resistance. In the first part of the study, the overall concept for monitoring the motor pump unit is analyzed. This is followed by a discussion of possible measurement methods and suitable resistors to determine the condition of the pump. In the second part of the study, the implementation for online monitoring of the pump is discussed. After a suitable approximation is found, the quality of the proposed method is evaluated with real hydraulic power generation and consumers.
DDC Class
620: Ingenieurwissenschaften
Funding(s)
Health Monitoring und Optimierte Regelung einer hochintegrierten Elektromotorpumpe  
Funding Organisations
Bundesministerium für Wirtschaft und Klimaschutz (BMWK)  
TUHH
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