Adaptive Feed-Forward Control of Low Frequency Interior Noise
Thomas Kletschkowski
Oct 2011 · Intelligent Systems, Control and Automation: Science and Engineering Book 56 · Springer Science & Business Media
Ebook
330
Pages
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About this ebook
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.
About the author
Thomas Kletschkowski is Privatdozent in the Department of Mechanical Enginieering of the Helmut-Schmidt-University/University of the Federal Armed Forces Hamburg.
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