Lightweight engine mounting based on adaptive CFRP struts for active vibration suppression
Schütze, R. and Goetting, H. C. and Breitbach, E. and Grützmacher, T. (1998) Lightweight engine mounting based on adaptive CFRP struts for active vibration suppression. Aerospace Science and Technology, 6, pp. 381-390.
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A demonstrator representing a lightweight engine mounting for turboprop aircraft has been developed which allows for active suppression of disturbing vibrations. It consists of an advanced CFRP truss structure based upon high-load CFRP struts which enable an optimal integration of piezo-electric stack actuators. The dynamic behaviour of the truss structure was analyzed by a 3D-simulation and the optimal position of active struts was evaluated. The experimental results of static and dynamic tests showed very good agreement with the analytical predictions. First investigations of the active vibration suppression by means of a simple feedback controller exhibited an excellent functionality of the adaptive structure and a promising potential to future improvements.
|Title:||Lightweight engine mounting based on adaptive CFRP struts for active vibration suppression|
|Journal or Publication Title:||Aerospace Science and Technology|
|In ISI Web of Science:||Yes|
|Page Range:||pp. 381-390|
|Keywords:||turboprop engine mounting / CFRP lightweight truss structure / adaptive CFRP strut / active vibration suppression|
|HGF - Research field:||Aeronautics, Space and Transport|
|HGF - Program:||Aeronautics|
|HGF - Program Themes:||L - no assignement|
|DLR - Research area:||Aeronautics|
|DLR - Program:||L ST - Starrflüglertechnologien|
|DLR - Research theme (Project):||UNSPECIFIED|
|Institutes and Institutions:||Institute of Composite Structures and Adaptive Systems > Institut für Strukturmechanik|
|Deposited By:||Sibylle Wolff|
|Deposited On:||16 Sep 2005|
|Last Modified:||14 Jan 2010 15:29|
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