Technology of Semiactive Devices and Applications in Vibration Management PDF Download
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Author: Fabio Casciati
Publisher:
ISBN:
Category : Damping (Mechanics)
Languages : en
Pages :
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Book Description
Author: Fabio Casciati
Publisher:
ISBN:
Category : Damping (Mechanics)
Languages : en
Pages :
Get Book Here
Book Description
Author: Fabio Casciati
Publisher: John Wiley & Sons
ISBN: 0470022906
Category : Science
Languages : en
Pages : 268
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Book Description
Researchers have studied many methods of using active and passive control devices for absorbing vibratory energy. Active devices, while providing significant reductions in structural motion, typically require large (and often multiply-redundant) power sources, and thereby raise concerns about stability. Passive devices are fixed and cannot be modified based on information of excitation or structural response. Semiactive devices on the other hand can provide significant vibration reductions comparable to those of active devices but with substantially reduced power requirements and in a stable manner. Technology of Semiactive Devices and Applications in Vibration Mitigation presents the most up-to-date research into semiactive control systems and illustrates case studies showing their implementation and effectiveness in mitigating vibration. The material is presented in a way that people not familiar with control or structural dynamics can easily understand. Connecting structural dynamics with control, this book: Provides a history of semiactive control and a bibliographic review of the most common semiactive control strategies. Presents state-of-the-art semiactive control systems and illustrates several case studies showing their implementation and effectiveness to mitigate vibration. Illustrates applications related to noise attenuation, wind vibration damping and earthquake effects mitigation amongst others. Offers a detailed comparison between collocated and non-collocated systems. Formulates the design concepts and control algorithms in simple and readable language. Includes an appendix that contains critical considerations about semiactive devices and methods of evaluation of the original damping of a structure. Technology of Semiactive Devices and Applications in Vibration Mitigation is a must-have resource for researchers, practitioners and design engineers working in civil, automotive and mechanical engineering. In addition it is undoubtedly the key reference for all postgraduate students studying in the field.
Author: Wei Huang
Publisher: Springer Nature
ISBN: 9819922135
Category : Technology & Engineering
Languages : en
Pages : 361
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Book Description
This book presents the research results of advanced vibration control technology, based on two types of typical equipment in industrial engineering of China: power equipment and vibration-sensitive equipment. The main contents of this book include optimized active control strategy research, semi-active control research that can track and equivalently achieve active control effects, refined analysis of active control based on finite element method, research on the impact of vibration isolator layout on vibration isolation performance, passive and active control research based on system freedom decoupling and load decoupling, realized passive and active control research using quasi-zero stiffness system based on positive and negative stiffness, intelligent sensors optimization deployment of plane and space structure, and related key technology application cases in engineering applications. This book provides useful references for engineers and researchers in industrial engineering and technical support for practitioners in the development of China's high-end industry.
Author: A. Preumont
Publisher: Springer Science & Business Media
ISBN: 9401004838
Category : Technology & Engineering
Languages : en
Pages : 395
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Book Description
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: Francisco Beltran-Carbajal
Publisher: BoD – Books on Demand
ISBN: 9533074337
Category : Technology & Engineering
Languages : en
Pages : 368
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Book Description
This book focuses on the important and diverse field of vibration analysis and control. It is written by experts from the international scientific community and covers a wide range of research topics related to design methodologies of passive, semi-active and active vibration control schemes, vehicle suspension systems, vibration control devices, fault detection, finite element analysis and other recent applications and studies of this fascinating field of vibration analysis and control. The book is addressed to researchers and practitioners of this field, as well as undergraduate and postgraduate students and other experts and newcomers seeking more information about the state of the art, challenging open problems, innovative solution proposals and new trends and developments in this area.
Author: Okyay Altay
Publisher: CRC Press
ISBN: 1351347616
Category : Technology & Engineering
Languages : en
Pages : 400
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Book Description
Book presents a comprehensive coverage of the area of vibration control of civil structures subjected to different types of loading while using passive, semi-active, and/or active controls. Presents the theoretical governing equations as well as the associated design guides of various vibration control mitigation approaches. Discusses structural monitoring aspects such as sensor technology, system identification and signal processing topics. Reviews structural control aspects, such as algorithms. Includes solved examples utilizing MATLAB®/SIMULINK® with source codes of the calculation examples and design tool set.
Author: Memet Unsal
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
ABSTRACT: Parallel platform mechanisms with 6 degrees-of-freedom (DOF) are ideal candidates for precision positioning applications. Compared to serial kinematic mechanisms, their 6 kinematic chains give them greater load carrying capacity, higher stiffness, the ability to remain stable in the unpowered configuration, and redundancy in motion. Many of the precision positioning applications are located in environments where certain degrees of disturbances exist. These disturbances in the form of vibrations degrade the performance of sensitive instruments needed for precision positioning. Therefore, it is important to create a vibration-free environment to enable precision positioning. From a design perspective, it would be logical to have a parallel platform mechanism which is inherently an ideal mechanism for precision positioning to provide vibration isolation at the same time. Within this work, a model of a 6 DOF vibration isolation system with semi-active control, using magnetorheological (MR) technology, is investigated. While passive vibration control and active vibration control have been extensively used in parallel platforms, a 6 DOF parallel platform which uses semi-active vibration control has not received as much attention. Advantages of semi-active control include reduced cost (by using a simpler actuator intended for only positioning), reduced power requirements, and improved stability. Within this work, a 6 DOF parallel platform model is created. Each leg of the platform is modeled as a 2 DOF system with an MR damper for adjustable damping in parallel with a stiffness element and in series with an actuator used for positioning. The vibration isolation performance of the parallel platform mechanism and its positioning capability are quantified through simulations. Simulation results show that MR dampers are effective in 6 DOF vibration isolation applications when they are incorporated into parallel platform mechanisms.
Author: Norman Wereley
Publisher: CRC Press
ISBN: 1351355740
Category : Technology & Engineering
Languages : en
Pages : 362
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Book Description
First Published in 2017. Routledge is an imprint of Taylor & Francis, an Informa company.
Author: Hans Irschik
Publisher: Springer Science & Business Media
ISBN: 321199484X
Category : Technology & Engineering
Languages : en
Pages : 222
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Book Description
Mechanics and model-based control are both rapidly expanding scientific fields and fundamental disciplines of mechatronics, sharing demanding mathematical and system-theoretic formulations and methods. The papers in this volume deal with smart materials, which allow the design and implementation of new types of actuator/sensor fields and networks. Main topics treated are fundamental studies on laminated, composite and functionally graded materials, thermal and piezoelectric actuation, active and passive damping, as well as vibrations and waves in smart structures. The book is based on the 1st Japanese-Austrian Workshop which took place in Linz in Fall 2008.
Author: Michael Z. Q. Chen
Publisher: Springer
ISBN: 981107089X
Category : Technology & Engineering
Languages : en
Pages : 122
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Book Description
This book offers the first comprehensive introduction to the inerter, its successful application in Formula One racing, and other state-of-the-art applications in vibration control. It presents fundamental analysis results and design methods for inerter-based vibration control systems. Providing comprehensive information on the inerter, a pioneering mechanical element invented by Prof. Malcolm C. Smith at Cambridge University in 2002, it will be of considerable interest to readers with a background in control theory, mechanical vibration or related subjects.
