Active Noise Cancellation Anc System Design Engineering
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Active Noise Cancellation Anc System Design Engineering
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Author : K. C. Zangi
language : en
Publisher:
Release Date : 2007-12-01
Active Noise Cancellation Anc System Design Engineering written by K. C. Zangi and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-12-01 with Technology & Engineering categories.
The authors' practical design is based on the concept of a continuously operating microphone (or group of microphones) sampling the environment and a speaker (or group of speakers) producing interfering waves that will cancel unwanted noise. (Technology & Industrial Arts)
Active Noise Control
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Author : M. O. Tokhi
language : en
Publisher: Oxford University Press, USA
Release Date : 1992
Active Noise Control written by M. O. Tokhi and has been published by Oxford University Press, USA this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with History categories.
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.
Adaptive Feed Forward Control Of Low Frequency Interior Noise
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Author : Thomas Kletschkowski
language : en
Publisher: Springer Science & Business Media
Release Date : 2011-10-29
Adaptive Feed Forward Control Of Low Frequency Interior Noise written by Thomas Kletschkowski and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-10-29 with Technology & Engineering categories.
This book presents a mechatronic approach to Active Noise Control (ANC). It describes the required elements of system theory, engineering acoustics, electroacoustics and adaptive signal processing in a comprehensive, consistent and systematic manner using a unified notation. Furthermore, it includes a design methodology for ANC-systems, explains its application and describes tools to be used for ANC-system design. From the research point of view, the book presents new approaches to sound source localization in weakly damped interiors. One is based on the inverse finite element method, the other is based on a sound intensity probe with an active free field. Furthermore, a prototype of an ANC-system able to reach the physical limits of local (feed-forward) ANC is described. This is one example for applied research in ANC-system design. Other examples are given for (i) local ANC in a semi-enclosed subspace of an aircraft cargo hold and (ii) for the combination of audio entertainment with ANC.
Active Noise Control
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Author : G. Rosenhouse
language : en
Publisher: Computational Mechanics
Release Date : 2000-05-01
Active Noise Control written by G. Rosenhouse and has been published by Computational Mechanics this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-05-01 with Technology & Engineering categories.
Active Noise and Vibration Control (ANVC) has to serve disciplines as diverse as civil, mechanical and aeronautical engineering. Lack of understanding and visualization of its consequences may lead to undesired results. Featuring a review of recent practice together with more than 1,000 references, this title pays special attention to this aspect.
Fundamentals Of Signals And Systems Using Matlab
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Author : Edward W. Kamen
language : en
Publisher: Macmillan College
Release Date : 1997
Fundamentals Of Signals And Systems Using Matlab written by Edward W. Kamen and has been published by Macmillan College this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Computers categories.
This text presents an accessible yet comprehensive analytical treatment of signals and systems, and also incorporates a strong emphasis on solving problems and exploring concepts using MATLAB
Understanding Active Noise Cancellation
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Author : Colin N. Hansen
language : en
Publisher: CRC Press
Release Date : 2002-05-03
Understanding Active Noise Cancellation written by Colin N. Hansen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-05-03 with Technology & Engineering categories.
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.
Development And Demonstration Of Active Noise Control Concepts
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Author : National Aeronautics and Space Administration (NASA)
language : en
Publisher: Createspace Independent Publishing Platform
Release Date : 2018-06-13
Development And Demonstration Of Active Noise Control Concepts written by National Aeronautics and Space Administration (NASA) and has been published by Createspace Independent Publishing Platform this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-06-13 with categories.
This report details design methods for and feasibility of an Active Noise Control (ANC) system using flush-wall-mounted sensors and actuators to reduce turbofan engine rotor-stator interaction noise. ANC concepts capable of suppressing discrete-tone spinning modes containing several cut-on radial mode were identified, developed analytically, and evaluated. Separate ANC systems that suppressed at least three radial modes in a cylindrical inlet duct and three radial modes in an exhaust annulus were developed. These designs resulted in inlet duct and exhaust duct tests that were performed at NASA on the 4-ft ANC Fan in the NASA Glenn AAPL facility. Effective suppression of 2-BPF spinning mode m = 2 tone noise was achieved over a range of fan speeds 1800 to 2450 rpm, where up to 4 radials were present. In the inlet duct, up to 12 dB reduction was obtained for 3 radial modes, and up to 4 dB was obtained with 4 radial modes. In the exhaust duct, up to 15 dB PWL reduction was obtained with either two or three radial modes present. Thus, the ability to suppress multiple radial modes for tones in both the inlet and exhaust ducts has been successfully demonstrated. Implications of ANC system design requirements on installation and system integration issues for ANC systems capable of suppressing higher order radial mode content when applied to a 767 using twin CF6 engines were evaluated analytically. The analytical results indicated an ANC system must be part of an integrated design to be effective. Kraft, R. and Hu, Z. and Sommerfeldt, S. and Walker, B. and Hersh, A. and Luo, H. and Spencer, M. and Hallman, D. and Mitchell, C. and Sutliff, D. Glenn Research Center NAS3-27720; RTOP 522-81-11
Active Sound And Vibration Control
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Author : M. O. Tokhi
language : en
Publisher: IET
Release Date : 2002
Active Sound And Vibration Control written by M. O. Tokhi and has been published by IET this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002 with Science categories.
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.
Noise And Vibration Control Engineering
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Author : István L. Vér
language : en
Publisher: John Wiley & Sons
Release Date : 2005-11-11
Noise And Vibration Control Engineering written by István L. Vér and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-11-11 with Technology & Engineering categories.
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.
Active Noise Control Primer
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Author : Scott D. Snyder
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-09-25
Active Noise Control Primer written by Scott D. Snyder and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-25 with Technology & Engineering categories.
By providing all the basic knowledge needed to assess how useful active noise control will be for a given problem, this book assists in the designing, setting up, and tuning of an active noise-control system. Written for students who have no prior knowledge of acoustics, signal processing, or noise control but who do have a reasonable grasp of basic physics and mathematics, the text is short and descriptive, leaving all mathematical details and proofs concerning vibrations, signal processing and the like to more advanced texts or research monographs. The book can thus be used in independent study, in a classroom with laboratories, or in conjunction with a kit for experiment or demonstration. Topics covered include basic acoustics, human perception and sound, sound intensity and related concepts, fundamentals of passive noise- control strategies, basics of digital systems and adaptive controllers, and active noise control systems.