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Author :
Publisher :
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.21/5 ( download)
Download or read book Feed-forward Control of Gear Mesh Vibration Using Piezoelectric Actuators written by and published by . This book was released on 1994 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Yasser Al Hamidi
Publisher :
ISBN 13 :
Total Pages : 140 pages
Book Rating : 4.63/5 ( download)
Download or read book Multivariable Feedforward Control of Vibrations in Multi-axes Flexible Structures written by Yasser Al Hamidi and published by . This book was released on 2017 with total page 140 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multi-axes actuators are becoming more and more tempting to nanopositioning system designers as they enable them to save space, reduce energy consumption, increase dexterity and offer more modularity and freedom with fewer constraints to their applications. Some of these multi-axes actuators and systems exhibit however badly damped vibrations which strongly compromise their global performances. This thesis work exploits the advantages of the well-known feedforward input shaping techniques usually used to damp vibrations in monovariable (SISO) systems to present a new multivariable (MIMO) input shaping technique that can be used to damp vibrations in multi-axes systems. The approach that was used in this study is to extend a previous work that was done on multiple-input single-output (MISO) systems and generalize it for MIMO systems. The study demonstrates also the application of this newly developed technique on different piezoelectric actuators commonly used in nanopositioning systems.
Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781722498511
Total Pages : 40 pages
Book Rating : 4.1X/5 ( download)
Download or read book Predictive Feedback and Feedforward Control for Systems with Unknown Disturbances written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-10 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Predictive feedback control has been successfully used in the regulation of plate vibrations when no reference signal is available for feedforward control. However, if a reference signal is available it may be used to enhance regulation by incorporating a feedforward path in the feedback controller. Such a controller is known as a hybrid controller. This paper presents the theory and implementation of the hybrid controller for general linear systems, in particular for structural vibration induced by acoustic noise. The generalized predictive control is extended to include a feedforward path in the multi-input multi-output case and implemented on a single-input single-output test plant to achieve plate vibration regulation. There are cases in acoustic-induce vibration where the disturbance signal is not available to be used by the hybrid controller, but a disturbance model is available. In this case the disturbance model may be used in the feedback controller to enhance performance. In practice, however, neither the disturbance signal nor the disturbance model is available. This paper presents the theory of identifying and incorporating the noise model into the feedback controller. Implementations are performed on a test plant and regulation improvements over the case where no noise model is used are demonstrated. Juang, Jer-Nan and Eure, Kenneth W. Langley Research Center RTOP 632-20-21-11...
Author : Alfonso Alcol
Publisher :
ISBN 13 :
Total Pages : 107 pages
Book Rating : 4.74/5 ( download)
Download or read book Vibration Control of Structures Using Piezoelectric Actuators written by Alfonso Alcol and published by . This book was released on 1996 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Seung-Bok Choi
Publisher :
ISBN 13 : 9781634852081
Total Pages : 235 pages
Book Rating : 4.87/5 ( download)
Download or read book Vibration Control Systems Utilizing Smart Materials Actuators written by Seung-Bok Choi and published by . This book was released on 2016 with total page 235 pages. Available in PDF, EPUB and Kindle. Book excerpt: Recently, considerable attention has been focused on vibration control technology using "smart" or "intelligent" materials, which have inherently actuating and sensing capabilities. Typically these materials are employed to the vibration control of lumped parameter systems or distributed parameter structures by controlling the mass-distribution, stiffness change and the dissipation change. This may be accomplished by semi-active control or active control methods associated with the smart material actuators. Among many candidates of smart materials, magneto-rheological materials and piezoelectric materials are frequently adopted for vibration control. Magneto-rheological fluid and elastomer are especially utilized for vibration control of lumped parameter systems such as automotive damper, while the piezoelectric materials are used for vibration control of flexible distributed parameter structures with salient characteristics, such as fast response time. This book can be used as a textbook for graduate students or as a reference book for potential researchers who are interested in vibration control utilizing new methods associated with smart materials actuators. This book will provide some novel insights for advanced vibration control technology to many readers.
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Author : Andrew Allan Bryan Cameron Rader
Publisher : Library and Archives Canada = Bibliothèque et Archives Canada
ISBN 13 : 9780494101506
Total Pages : 352 pages
Book Rating : 4.04/5 ( download)
Download or read book Optimization of Piezoelectric Actuator Configuration on a Flexible Fin for Vibration Control Using Genetic Algorithms [microform] written by Andrew Allan Bryan Cameron Rader and published by Library and Archives Canada = Bibliothèque et Archives Canada. This book was released on 2005 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Vibration Control for Precision Manufacturing Using Piezoelectric Actuators written by and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : D. Emo
Publisher :
ISBN 13 :
Total Pages : 63 pages
Book Rating : 4.38/5 ( download)
Download or read book Decentralised Velocity Feedback Control Unit Using a Triangular Piezoelectric Actuator written by D. Emo and published by . This book was released on 2005 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : A. Preumont
Publisher : Springer Science & Business Media
ISBN 13 : 9401004838
Total Pages : 395 pages
Book Rating : 4.31/5 ( download)
Download or read book Responsive Systems for Active Vibration Control written by A. Preumont and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 395 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural vibrations have become the critical factor limiting the performance of many engineering systems, typical amplitudes ranging from meters to a few nanometers. Many acoustic nuisances in transportation systems and residential and office buildings are also related to structural vibrations. The active control of such vibrations involves nine orders of magnitude of vibration amplitude, which exerts a profound influence on the technology. Active vibration control is highly multidisciplinary, involving structural vibration, acoustics, signal processing, materials science, and actuator and sensor technology. Chapters 1-3 of this book provide a state-of-the-art introduction to active vibration control, active sound control, and active vibroacoustic control, respectively. Chapter 4 discusses actuator/sensor placement, Chapter 5 deals with robust control of vibrating structures, Chapter 6 discusses finite element modelling of piezoelectric continua and Chapter 7 addresses the latest trends in piezoelectric multiple-degree-of-freedom actuators/sensors. Chapters 8-12 deal with example applications, including semi-active joints, active isolation and health monitoring. Chapter 13 addresses MEMS technology, while Chapter 14 discusses the design of power amplifiers for piezoelectric actuators.
Author : Xuegeng Zhu
Publisher :
ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.18/5 ( download)
Download or read book Placement of Piezoelectric Actuators for Active Control of Vibration Using Modal Parameters written by Xuegeng Zhu and published by . This book was released on 1998 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:
