Design of Shaped PVDF Radiation Mode Sensor and its Application in Active Structural Acoustic Control System

Qi Bo Mao; Lu Wan

doi:10.4028/www.scientific.net/AMM.310.435

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 310Design of Shaped PVDF Radiation Mode Sensor and...

Design of Shaped PVDF Radiation Mode Sensor and its Application in Active Structural Acoustic Control System

Abstract:

This paper presents a new strategy for the design of radiation mode sensors by using shaped PVDF films for one-dimension structures. Based on a modal approach, the shape of a PVDF sensor is analytically determined in such a way that the output signal of the sensor is directly proportional to amplitude of a particular radiation mode. Other modes are filtered out. A general expression of the PVDF sensor shape is obtained. It is found that the modal sensor shape can be expressed as a function of the second spatial derivative of the structural mode shape function. Finally, with an example of a vibrating beam, the proposed PVDF radiation mode sensor is used in an active structural acoustic control system for reduction of the structural-borne noise.

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Periodical:

Applied Mechanics and Materials (Volume 310)

Pages:

435-438

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.310.435

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Online since:

February 2013

Authors:

Qi Bo Mao, Lu Wan

Keywords:

Active Structural Acoustic Control, Modal Approach, PVDF Sensor, Radiation Mode

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References

[1] C. R. Fuller. Active Control of Transmission/Radiation from Elastic Plates by Vibration Input: 1 Analysis. J. Sound Vib. 136: 1 – 15 (1990)

DOI: 10.1016/0022-460x(90)90933-q

Google Scholar

[2] K. A. Cunfare. On the Exterior Acoustic Radiation Modes of Structure. J. Acoust. Soc. Am. 96(4): 2302 – 2312 (1994)

Google Scholar

[3] S. J. Elliott. Radiation Modes and the Active Control of Sound Power. J. Acoust. Soc. Am. 94(4): 2194 – 2204 (1993)

Google Scholar

[4] Q. Mao, B. Xu, Z. Jiang. A piezoelectric array for sensing radiation modes. Appl. Acoust. 64: 669 – 680 (2003)

DOI: 10.1016/s0003-682x(03)00019-7

Google Scholar

[5] Q. Mao, S. Pietrzko. Measurements of local volume displacement using a piezoelectric array. Acta Acust. United Acust. 92(4): 556 – 566 (2006)

Google Scholar

[6] G. P. Gibbs, R. L. Clark, D. E. Cox. Radiation modal expansion: Application to Active Structural Acoustic Control. J. Acoust. Soc. Am. 107(1): 332 – 339 (2000)

DOI: 10.1121/1.428307

Google Scholar

[7] C. L. Lee, F. C. Moon. Modal Sensors/Actuator. J. Appl. Mechanics; 57: 434 – 441 (1990)

Google Scholar