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Challenges for Health Monitoring of Electromechanical Flight Control Actuation Systems

Wagner, Hannes and Nikolov, Galin and Bierig, Andreas and Spangenberg, Holger (2011) Challenges for Health Monitoring of Electromechanical Flight Control Actuation Systems. SAE International Journal of Aerospace, November 2011 Issue (Volume 4 Issue 2), pp. 1316-1323. SAE International. DOI: 10.4271/2011-01-2701 . ISSN 1946-3855.

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Official URL: http://saeaero.saejournals.org/


Flight control systems of civil aircraft have undergone huge developments in the last decades. The current more/all electric aircraft concepts lead to the replacement of the hydraulic actuators in the primary flight control systems by electromechanical systems. Integrating electromechanical systems in safety critical applications implies three main challenges: (a) the detection of all fault cases which could lead to a safety critical state, (b) finding measurement parameters capable to detect faults, and (c) the development of algorithms to detect faults under all flight conditions. Putting the scope on the health monitoring of the mechanical components of a direct drive actuator, a new technology based on piezoresistive thin film sensors (TFS) is presented and its potential shown by using defective ball bearings as an example.

Document Type:Article
Title:Challenges for Health Monitoring of Electromechanical Flight Control Actuation Systems
AuthorsInstitution or Email of Authors
Wagner, HannesHannes.Wagner@dlr.de
Nikolov, GalinGalin.Nikolov@dlr.de
Bierig, AndreasAndreas.Bierig@dlr.de
Spangenberg, HolgerHolger.Spangenberg@dlr.de
Date:4 November 2011
Journal or Publication Title:SAE International Journal of Aerospace
Refereed publication:Yes
In ISI Web of Science:No
Volume:November 2011 Issue
Page Range:pp. 1316-1323
Publisher:SAE International
Series Name:The SAE International Journal of Aerospace
Keywords:Condition Monitoring, Thin Film Sensor, piezoresistive, Ball bearing
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:other
DLR - Research area:Aeronautics
DLR - Program:L - no assignement
DLR - Research theme (Project):L -- no assignement
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems > Safety Critical Systems and Systems Engineering
Deposited By: Hannes Wagner
Deposited On:09 Feb 2012 12:27
Last Modified:07 Feb 2013 19:46

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