Adaptive feed-forward control of low frequency interior noise

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...

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Bibliografische gegevens
Hoofdauteur: Kletschkowski, Thomas
Formaat: Livre numérique
Taal:Anglais
Gepubliceerd in: Dordrecht : Springer 2012.
Cham : Springer Nature
Reeks:Intelligent systems, control and automation : science and engineering 56
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Edition sous un autre format:• Adaptive feed-forward control of low frequency interior noise, Thomas Kletschkowski, 2012, Dordrecht [etc.], Springer, 1 vol. (xxxvi-330 p.), Intelligent Systems, Control and Automation: Science and Engineering, 978-94-007-2536-2
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245 1 0 |a Adaptive feed-forward control of low frequency interior noise   |c by Thomas Kletschkowski. 
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490 0 |a Intelligent systems, control and automation : science and engineering  |v 56 
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500 |a Archives Springer e-books (Licence nationale) 
505 0 |a Part I Introduction -- 1 Introduction to Interior Active Noise Control -- 1.1 Idea, Limit and Structure of Active Control Concepts -- 1.2 Remarks on Interior Noise and Active Control Approaches -- 1.2.1 Comments on the Interior Noise Problem -- 1.2.2 Comments on Active Control Approaches -- 1.2.3 A Qualitative Comparison of Active Control Approaches -- 1.3 Examples for Engineering Applications of Interior ANC -- 1.4 Objective of Book -- Part II The Mechatronic Background of Feed-Forward Active Noise Control -- 2 Comments on Signals and Systems -- 2.1 Comments on Signals -- 2.1.1 Classification -- 2.1.2 Characteristic Values and Functions -- 2.2 Comments on Systems -- 2.2.1 Definitions -- 2.2.2 Transfer Behaviour of LTI-Systems -- 3 Dynamics of Basic System -- 3.1 Basic Field Variables -- 3.2 Acoustic Field Equations -- 3.3 Energy Density and Sound Intensity -- 3.4 One-Dimensional Enclosed Sound Fields -- 3.4.1 Free Vibrations in One-Dimensional Sound Fields -- 3.4.2 Forced Vibrations in One-Dimensional Sound Fields -- 4 Sensors for Active Noise Control -- 4.1 Acoustical Sensing by Condenser Type Microphones -- 4.2 Sound Intensity Measurement -- 4.2.1 Functional Principle of Sound Intensity Probes -- 4.2.2 Errors in Sound Intensity Measurements -- 4.3 Structural Sensing by Accelerometers -- 5 Actuators for Active Noise Control -- 5.1 Electro-Dynamical Loudspeakers -- 5.2 Electro-Dynamical Panel Speakers -- 6 Active Control of Tonal and Broadband Noise -- 6.1 Mathematical Preparation -- 6.1.1 Hermitian Matrices -- 6.1.2 Quadratic Optimization -- 6.1.3 Steepest-Decent Algorithm -- 6.2 Terms and Structure of Feed-Forward Control Approaches -- 6.3 Review and Evaluation of Control Strategies -- 6.3.1 Description of Benchmark System and Close Form Solution -- 6.3.2 Analysis of Specific Control Strategies -- 6.3.3 Comparison of Control Strategies -- 6.4 Multi-channel Control of Tonal Noise -- 6.4.1 Optimal Control of Tonal Noise -- 6.4.2 Adaptive Control of Tonal Noise -- 6.5 Active Control of Tonal Noise with Modified Cost Functions -- 6.5.1 Optimal Control Using a General Cost Function -- 6.5.2 Remote Sensor Control -- 6.5.3 Parametric Controller Design -- 6.6 Multi-channel Control of Stochastic Disturbances 
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520 |a 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 
650 |a Bruit 
650 |a Contrôle actif du bruit et des vibrations 
650 |a Systèmes à réaction 
650 |a Mécatronique 
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