Analytical And Experimental Investigation Of Flutter Suppression By Piezoelectric Actuation PDF Download
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Author | : Jennifer Heeg |
Publisher | : |
Total Pages | : 52 |
Release | : 1993 |
Genre | : Flutter (Aerodynamics) |
ISBN | : |
Download Analytical and Experimental Investigation of Flutter Suppression by Piezoelectric Actuation Book in PDF, ePub and Kindle
Author | : National Aeronautics and Space Adm Nasa |
Publisher | : |
Total Pages | : 50 |
Release | : 2018-11 |
Genre | : |
ISBN | : 9781729392546 |
Download Analytical and Experimental Investigation of Flutter Suppression by Piezoelectric Actuation Book in PDF, ePub and Kindle
The objective of this research was to analytically and experimentally study the capabilities of piezoelectric plate actuators for suppressing flutter. Piezoelectric materials are characterized by their ability to produce voltage when subjected to a mechanical strain. The converse piezoelectric effect can be utilized to actuate a structure by applying a voltage. For this investigation, a two-degree-of-freedom wind tunnel model was designed, analyzed, and tested. The model consisted of a rigid wing and a flexible mount system that permitted a translational and a rotational degree of freedom. The model was designed such that flutter was encountered within the testing envelope of the wind tunnel. Actuators made of piezoelectric material were affixed to leaf springs of the mount system. Command signals, applied to the piezoelectric actuators, exerted control over the damping and stiffness properties. A mathematical aeroservoelastic model was constructed by using finite element methods, laminated plate theory, and aeroelastic analysis tools. Plant characteristics were determined from this model and verified by open loop experimental tests. A flutter suppression control law was designed and implemented on a digital control computer. Closed loop flutter testing was conducted. The experimental results represent the first time that adaptive materials have been used to actively suppress flutter. They demonstrate that small, carefully placed actuating plates can be used effectively to control aeroelastic response. Heeg, Jennifer Langley Research Center RTOP 505-63-50-15...
Author | : |
Publisher | : |
Total Pages | : 16 |
Release | : 1992 |
Genre | : |
ISBN | : |
Download An Analytical and Experimental Investigation of Flutter Suppression Via Piezoelectric Actuation Book in PDF, ePub and Kindle
Author | : Jennifer Heeg |
Publisher | : |
Total Pages | : 156 |
Release | : 1991 |
Genre | : |
ISBN | : |
Download An Analytical and Experimental Study to Investigate Flutter Suppression Via Piezoelectric Actuation Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 836 |
Release | : 1994 |
Genre | : Aeronautics |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 868 |
Release | : 1993-07 |
Genre | : Government publications |
ISBN | : |
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Author | : |
Publisher | : |
Total Pages | : 1158 |
Release | : 1993 |
Genre | : Government publications |
ISBN | : |
Download Monthly Catalog of United States Government Publications Book in PDF, ePub and Kindle
Author | : Eleanor C. Wynne |
Publisher | : |
Total Pages | : 92 |
Release | : 1994 |
Genre | : Aerodynamics |
ISBN | : |
Download Structural Dynamics Division Research and Technology Accomplishments for FY 1993 and Plans for FY 1994 Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 528 |
Release | : 2001 |
Genre | : Smart materials |
ISBN | : |
Download Smart Structures and Materials Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 620 |
Release | : 1992 |
Genre | : Aerodynamics |
ISBN | : |
Download A Collection of Technical Papers Book in PDF, ePub and Kindle