0

Full Content is available to subscribers

Subscribe/Learn More  >

Performance Assessment of an Active Noise Reduction System

[+] Author Affiliations
Kai Wolf, Soong-Oh Han, Torsten Doll, Lothar Kurtze

Technische Universitaet Darmstadt, Darmstadt, Germany

Thilo Bein, Holger Hanselka

Fraunhofer Institute for Structural Durability and System Reliability, Darmstadt, Germany

Paper No. ESDA2008-59555, pp. 785-791; 7 pages
doi:10.1115/ESDA2008-59555
From:
  • ASME 2008 9th Biennial Conference on Engineering Systems Design and Analysis
  • Volume 2: Automotive Systems; Bioengineering and Biomedical Technology; Computational Mechanics; Controls; Dynamical Systems
  • Haifa, Israel, July 7–9, 2008
  • Conference Sponsors: International
  • ISBN: 978-0-7918-4836-4 | eISBN: 0-7918-3827-7
  • Copyright © 2008 by ASME

abstract

In the past decade the field of smart structures and intelligent material systems received a lot of scientific attention. Numerous publications deal with the modeling, design, optimization and performance evaluation of such systems, in which beams, plates or truss structures are often considered as test cases. In the application of this promising new technology to real systems, the designer is often confronted with problem specific issues, e.g. proper formulation of the desired output function, integration of the actuators, sensors made of multifunctional materials and the control scheme to the system model, etc. As an example, the performance assessment of an active façade system is presented in this paper. The façade system consists of distributed piezoelectric sensors and actuators bonded to the surface of the doubleglazed windows. An adaptive feedforward control scheme was implemented to reduce the noise transmission via the active façade. The performance of the active system with four sensor/actuator pairs was first demonstrated in a numerical simulation. A Digital Signal Processing System was used to validate the performance of the system with the help of a demonstrator façade, showing the reduction of the ambient noise experimentally for different types of harmonic and transient excitation.

Copyright © 2008 by ASME

Figures

Tables

Interactive Graphics

Video

Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In