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Author : Xiao-Guang Li
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (11 download)
Download or read book Active Suppression of Non-linear Stall Flutter Using Piezoelectric Actuators written by Xiao-Guang Li and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Myounghee Kim
Publisher :
ISBN 13 :
Total Pages : 226 pages
Book Rating : 4.:/5 (226 download)
Download or read book Active Control of Nonlinear Panel Flutter at Supersonic Speed Using Aeroelastic Modes and Self-sensing Piezoelectric Actuators Under Yawed Flow Angle written by Myounghee Kim and published by . This book was released on 2007 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 526 pages
Book Rating : 4.0/5 ( download)
Download or read book 32nd AIAA/ASME/SAE/ASEE Joint Propulsion Conference & Exhibit written by and published by . This book was released on 1996 with total page 526 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 974 pages
Book Rating : 4.F/5 ( download)
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1999 with total page 974 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 644 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2003 with total page 644 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722091729
Total Pages : 48 pages
Book Rating : 4.0/5 (917 download)
Download or read book Analytical and Experimental Investigation of Flutter Suppression by Piezoelectric Actuation written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-06-30 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 :
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ISBN 13 :
Total Pages : 1008 pages
Book Rating : 4.X/5 (1 download)
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1988 with total page 1008 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Brian P. Baillargeon
Publisher :
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.:/5 (565 download)
Download or read book Active Vibration Suppression of Smart Structures Using Piezoelectric Shear Actuators written by Brian P. Baillargeon and published by . This book was released on 2003 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Institute of Aeronautics and Astronautics. Technical Information Service
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.3/5 (91 download)
Download or read book The Finding Guide to AIAA Meeting Papers written by American Institute of Aeronautics and Astronautics. Technical Information Service and published by . This book was released on 1996 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.:/5 (319 download)
Download or read book NASA SP. written by and published by . This book was released on 1993 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (452 download)
Download or read book University Research Initiative for Rotorcraft Engine Unsteady Aerodynamics written by and published by . This book was released on 1998 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Two problems driven by unsteady flow phenomena critical to advanced rotorcraft engines are addressed (1) The surge line must be extended to higher pressure ratios (2) Blade rows are susceptible to flow induced vibrations The onset and control of instability in low and high, speed centrifugal compressors was addressed Low speed experiments obtained unique detailed flow field data during a stall event Also, both passive dynamic and active control techniques for the suppression of rotating stall were investigated A unique facility representative of a high speed, high pressure ratio centrifugal compressor was developed in cooperation with Allison Gas Turbines Experiments were then performed to characterize the surge initiation process, including transient operation and passive control Experiments addressed the combined and simultaneous motion and gust induced unsteady aerodynamic response of compressor rotor blades from both flutter and forced response perspectives Also, PIV was used to obtain a time-history of the velocity field over a chordwise bending oscillating cascaded airfoil at design and off-design. Models were developed to analyze the unsteady flow, including separatation, through an oscillating cascade and also the feasibility of active suppression of nonlinear stall flutter using piezoelectric actuators, including limit cycle, chaotic and quasi-periodic separated flow induced vibrations.
Author :
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ISBN 13 :
Total Pages : 354 pages
Book Rating : 4.3/5 (243 download)
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1993 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : C. Nam
Publisher :
ISBN 13 :
Total Pages : 12 pages
Book Rating : 4.:/5 (228 download)
Download or read book Active Flutter Suppression Using Astros With Smart Structures and Ase Modules written by C. Nam and published by . This book was released on 2001 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent development of a smart structures module and its successful integration with a multidisciplinary design optimization software ASTROS* and an Aeroservoelasticity (ASE) module is presented. Application examples have been worked out to demonstrate the integrated software capability. These include the neural net based active flutter suppression of a modeled F-16 wing using piezoelectric(PZT) actuators the gust-load alleviation of a modeled F-l8 aircraft using control surfaces and trim drag reduction of TOMAHAWK with/without battle damage using PZT actuators.
Author : American Institute of Aeronautics and Astronautics
Publisher :
ISBN 13 :
Total Pages : 960 pages
Book Rating : 4.F/5 ( download)
Download or read book AIAA Journal written by American Institute of Aeronautics and Astronautics and published by . This book was released on 2007 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
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ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.3/5 ( download)
Download or read book Aeronautical Engineering written by and published by . This book was released on 1993 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt: A selection of annotated references to unclassified reports and journal articles that were introduced into the NASA scientific and technical information system and announced in Scientific and technical aerospace reports (STAR) and International aerospace abstracts (IAA).
Author : Muhammad bin Mansoor
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (113 download)
Download or read book Nonlinear Resonant Piezoelectric Actuators for Turbulence Manipulation written by Muhammad bin Mansoor and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Ranjan Ganguli
Publisher : Springer
ISBN 13 : 3319247689
Total Pages : 264 pages
Book Rating : 4.3/5 (192 download)
Download or read book Smart Helicopter Rotors written by Ranjan Ganguli and published by Springer. This book was released on 2015-12-16 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exploiting the properties of piezoelectric materials to minimize vibration in rotor-blade actuators, this book demonstrates the potential of smart helicopter rotors to achieve the smoothness of ride associated with jet-engined, fixed-wing aircraft. Vibration control is effected using the concepts of trailing-edge flaps and active-twist. The authors’ optimization-based approach shows the advantage of multiple trailing-edge flaps and algorithms for full-authority control of dual trailing-edge-flap actuators are presented. Hysteresis nonlinearity in piezoelectric stack actuators is highlighted and compensated by use of another algorithm. The idea of response surfaces provides for optimal placement of trailing-edge flaps. The concept of active twist involves the employment of piezoelectrically induced shear actuation in rotating beams. Shear is then demonstrated for a thin-walled aerofoil-section rotor blade under feedback-control vibration minimization. Active twist is shown to be significant in reducing vibration caused by dynamic stall. The exposition of ideas, materials and algorithms in this monograph is supported by extensive reporting of results from numerical simulations of smart helicopter rotors. This monograph will be a valuable source of reference for researchers and engineers with backgrounds in aerospace, mechanical and electrical engineering interested in smart materials and vibration control. Advances in Industrial Control aims to report and encourage the transfer of technology in control engineering. The rapid development of control technology has an impact on all areas of the control discipline. The series offers an opportunity for researchers to present an extended exposition of new work in all aspects of industrial control.
