Zero-spillover control of enclosed sound fields

Moustafa Al-Bassyiouni; Balakumar Balachandran

doi:10.1117/12.436515

21 August 2001 Zero-spillover control of enclosed sound fields

Moustafa Al-Bassyiouni, Balakumar Balachandran

Author Affiliations +

Proceedings Volume 4326, Smart Structures and Materials 2001: Modeling, Signal Processing, and Control in Smart Structures; (2001) https://doi.org/10.1117/12.436515
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

Abstract

In designing a controller, one way to avoid energy spillover is to use what is called the zero spillover control scheme. Here, this scheme is studied for actively controlling sound fields inside an enclosure with a flexible boundary. Noise is transmitted into the enclosure through the flexible boundary, and piezoceramic patches, which are mounted on the flexible boundary, are used as actuators. Polyvinylidene fluoride sensors are used on the flexible boundary and microphone sensors are used inside and outside the enclosure. The locations of the sensors needed to construct a zero spillover controller are discussed along with other issues.

Citation Download Citation

Moustafa Al-Bassyiouni and Balakumar Balachandran "Zero-spillover control of enclosed sound fields", Proc. SPIE 4326, Smart Structures and Materials 2001: Modeling, Signal Processing, and Control in Smart Structures, (21 August 2001); https://doi.org/10.1117/12.436515

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