Active Control Of Noise And Vibration

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Active Control Of Noise And Vibration

Author : Colin Hansen
ISBN : 0419193901
Genre : Architecture
File Size : 77.17 MB
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This major work is the first to treat the active control of both sound and vibration in a unified way. It outlines the fundamental concepts, explains how a reliable and stable system can be designed and implemented, and details the pitfalls . It covers sound in ducts, sound radiation, sound transmission into enclosures, structural vibration and isolation, electronic control system design, and sensors and actuators.
Category: Architecture

Active Control Of Noise And Vibration

Author : Colin H. Hansen
ISBN : 9781466563360
Genre : Technology & Engineering
File Size : 75.94 MB
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Since the publication of the first edition, considerable progress has been made in the development and application of active noise control (ANC) systems, particularly in the propeller aircraft and automotive industries. Treating the active control of both sound and vibration in a unified way, this second edition of Active Control of Noise and Vibration continues to combine coverage of fundamental principles with the most recent theoretical and practical developments. What's New in This Edition Revised, expanded, and updated information in every chapter Advances in feedforward control algorithms, DSP hardware, and applications Practical application examples of active control of noise propagating in ducts The use of a sound intensity cost function, model reference control, sensing radiation modes, modal filtering, and a comparison of the effectiveness of various sensing strategies New material on feedback control of sound transmission into enclosed spaces New material on model uncertainty, experimental determination of the system model, optimization of the truncated model, collocated actuators and sensors, biologically inspired control, and a discussion of centralised versus de-centralised control A completely revised chapter on control system implementation New material on parametric array loudspeakers, turbulence filtering, and virtual sensing More material on smart structures, electrorheological fluids, and magnetorheological fluids Integrating the related disciplines of active noise control and active vibration control, this comprehensive two-volume set explains how to design and implement successful active control systems in practice. It also details the pitfalls one must avoid to ensure a reliable and stable system.
Category: Technology & Engineering

Active Sound And Vibration Control

Author : M. O. Tokhi
ISBN : 0852960387
Genre : Technology & Engineering
File Size : 37.95 MB
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This book presents the established fundamentals in the area of active sound and vibration control and explores new and emerging technologies and techniques. The latest theoretical, algorithmic and practical applications are covered.
Category: Technology & Engineering

Active Noise And Vibration Control

Author : Waldemar R?czka
ISBN : 9783035702606
Genre : Technology & Engineering
File Size : 37.12 MB
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This book is a result of scientific meeting of people working on active noise and vibration control methods and problems. The control of noise and vibration has been always proved to be a difficult task and in many cases it is not feasible. For many years, passive, active and semi-active techniques have been considered and developed. Flexible isolation systems or structural damping, control of suspension parameter or generating active force are used for vibration and noise control. The most important technics of vibration mitigation are active methods so the book collects papers as a contribution to discussion.
Category: Technology & Engineering

Active Control Of Vibration And Noise

Author : American Society of Mechanical Engineers. Design Engineering Division
ISBN : UOM:39015040642400
Genre : Technology & Engineering
File Size : 90.8 MB
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Presents papers from the November 1996 meeting, concentrating on theoretical, numerical, and experimental aspects of the active control of vibration and noise of mechanical, civil, and aerospace systems. Contains sections on control of acoustics; control of structures and applications; vibration iso
Category: Technology & Engineering

Noise And Vibration Control Engineering

Author : István L. Vér
ISBN : 9780471449423
Genre : Technology & Engineering
File Size : 45.52 MB
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Noise and Vibration Control Engineering: Principles and Applications, Second Edition is the updated revision of the classic reference containing the most important noise control design information in a single volume of manageable size. Specific content updates include completely revised material on noise and vibration standards, updated information on active noise/vibration control, and the applications of these topics to heating, ventilating, and air conditioning.
Category: Technology & Engineering

Active Control Of Sound

Author : P. A. Nelson
ISBN : UCSD:31822023212491
Genre : Technology & Engineering
File Size : 58.83 MB
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Recent technological advances in the development of fast digital signal processors have made the active control of sound a practical proposition. This book brings together results from research in the two disciplinesof acoustics and signal processing and presents the fundamentals of noise control in a unified manner. Practical applications are presented wherever possible although the emphasis is on the algorithmic principles which form the foundation of practical systems. The volume is written in textbook style and aimed at both undergraduate and postgraduate students of acoustics and signal processing, professional acoustical and electrical engineers, and researchers in the field of active control." Key Features * Presents the fundamental principles governing both the physical properties of sound fields and modern digital techniques for processing acoustic signals * Describes the physical mechanisms and energy interchanges involved in active control of sound for one- and three-dimensional problems * Presents the principles and practicalities of the design of single- and multi-channel controllers for both random and deterministic sound fields
Category: Technology & Engineering

Signal Processing For Active Control

Author : Stephen Elliott
ISBN : 0080517137
Genre : Technology & Engineering
File Size : 90.68 MB
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Signal Processing for Active Control sets out the signal processing and automatic control techniques that are used in the analysis and implementation of active systems for the control of sound and vibration. After reviewing the performance limitations introduced by physical aspects of active control, Stephen Elliott presents the calculation of the optimal performance and the implementation of adaptive real time controllers for a wide variety of active control systems. Active sound and vibration control are technologically important problems with many applications. 'Active control' means controlling disturbance by superimposing a second disturbance on the original source of disturbance. Put simply, initial noise + other specially-generated noise or vibration = silence [or controlled noise]. This book presents a unified approach to techniques that are used in the analysis and implementation of different control systems. It includes practical examples at the end of each chapter to illustrate the use of various approaches. This book is intended for researchers, engineers, and students in the field of acoustics, active control, signal processing, and electrical engineering.
Category: Technology & Engineering

Active Control Of Vibration

Author : Christopher C. Fuller
ISBN : 0080525911
Genre : Technology & Engineering
File Size : 36.61 MB
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This book is a companion text to Active Control of Sound by P.A. Nelson and S.J. Elliott, also published by Academic Press. It summarizes the principles underlying active vibration control and its practical applications by combining material from vibrations, mechanics, signal processing, acoustics, and control theory. The emphasis of the book is on the active control of waves in structures, the active isolation of vibrations, the use of distributed strain actuators and sensors, and the active control of structurally radiated sound. The feedforward control of deterministic disturbances, the active control of structural waves and the active isolation of vibrations are covered in detail, as well as the more conventional work on modal feedback. The principles of the transducers used as actuateors and sensors for such control strategies are also given an in-depth description. The reader will find particularly interesting the two chapters on the active control of sound radiation from structures: active structural acoustic control. The reason for controlling high frequency vibration is often to prevent sound radiation, and the principles and practical application of such techniques are presented here for both plates and cylinders. The volume is written in textbook style and is aimed at students, practicing engineers, and researchers. Combines material from vibrations, signal processing, mechanics, and controls Summarizes new research in the field
Category: Technology & Engineering

Active Noise Control

Author : M. O. Tokhi
ISBN : UOM:39015051297938
Genre : Acoustic impedance.
File Size : 44.74 MB
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In active noise control an artificially-generated secondary acoustic field is used to interfere destructively with the unwanted sound field. This book deals with the control engineering of generating this secondary field. This technique has uses in suppressing machinery noise in particular.
Category: Acoustic impedance.

Active Noise Control

Author : Giora Rosenhouse
ISBN : UOM:39015050522716
Genre : Science
File Size : 66.15 MB
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This book will give a physical insight into the modern field of active sound and vibration control. It will present the latest technology and achievements. The approach is generally design orientated and has a viewpoint different to other publications.
Category: Science

Handbook Of Noise And Vibration Control

Author : Malcolm J. Crocker
ISBN : 9780471395997
Genre : Technology & Engineering
File Size : 77.69 MB
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Two of the most acclaimed reference works in the area of acoustics in recent years have been our Encyclopedia of Acoustics, 4 Volume set and the Handbook of Acoustics spin–off. These works, edited by Malcolm Crocker, positioned Wiley as a major player in the acoustics reference market. With our recently published revision of Beranek & Ver′s Noise and Vibration Control Engineering, Wiley is a highly respected name in the acoustics business. Crocker′s new handbook covers an area of great importance to engineers and designers. Noise and vibration control is one largest areas of application of the acoustics topics covered in the successful encyclopedia and handbook. It is also an area that has been under–published in recent years. Crocker has positioned this reference to cover the gamut of topics while focusing more on the applications to industrial needs. In this way the book will become the best single source of need–to–know information for the professional markets.
Category: Technology & Engineering

Noise And Vibration Control In The Built Environment

Author : Jian Kang
ISBN : 9783038424208
Genre : Technology & Engineering
File Size : 51.95 MB
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This book is a printed edition of the Special Issue "Noise and Vibration Control in the Built Environment" that was published in Applied Sciences
Category: Technology & Engineering

Control Of Noise And Structural Vibration

Author : Qibo Mao
ISBN : 9781447150916
Genre : Technology & Engineering
File Size : 57.32 MB
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Control of Noise and Structural Vibration presents a MATLAB®-based approach to solving the problems of undesirable noise generation and transmission by structures and of undesirable vibration within structures in response to environmental or operational forces. The fundamentals of acoustics, vibration and coupling between vibrating structures and the sound fields they generate are introduced including a discussion of the finite element method for vibration analysis. Following this, the treatment of sound and vibration control begins, illustrated by example systems such as beams, plates and double walls. Sensor and actuator placement is explained as is the idea of modal sensor–actuators. The design of appropriate feedback systems includes consideration of basic stability criteria and robust active structural acoustic control. Positive position feedback (PPF) and multimode control are also described in the context of loudspeaker–duct and loudspeaker–microphone models. The design of various components is detailed including the analog circuit for PPF, adaptive (semi-active) Helmholtz resonators and shunt piezoelectric circuits for noise and vibration suppression. The text makes extensive use of MATLAB® examples and these can be simulated using files available for download from the book’s webpage at springer.com. End-of-chapter exercises will help readers to assimilate the material as they progress through the book. Control of Noise and Structural Vibration will be of considerable interest to the student of vibration and noise control and also to academic researchers working in the field. It’s tutorial features will help practitioners who wish to update their knowledge with self-study.
Category: Technology & Engineering

Handbook Of Engineering Acoustics

Author : Gerhard Müller
ISBN : 9783540694601
Genre : Science
File Size : 45.2 MB
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This acoustics handbook for mechanical and architectural applications is a translation of the German standard work on the subject. It not only describes the state of art of engineering acoustics but also gives practical help to engineers for solving acoustic problems. It deals with the origin, the transmission and the methods of abatement of air-borne and structure-borne sound of different kinds, from traffic to machinery and flow induced sound.
Category: Science

Understanding Active Noise Cancellation

Author : Colin N. Hansen
ISBN : 9780203467336
Genre : Technology & Engineering
File Size : 32.79 MB
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Understanding Active Noise Cancellation Provides a concise introduction to the fundamentals and applications of active control of vibration and sound for the non-expert. It is also a useful quick reference for the specialist engineer. The book emphasises the practical applications of technology, and complex control algorithms and structures are only discussed to the extent that they aid understanding. Extensive recommendations for further reading on the subject are provided, but the text will stand alone for those seeking an overview of the key issues: fundamentals, control systems, transducers, applications and possible future directions.
Category: Technology & Engineering