scholarly journals Remote Sensing for a Lining Integrated Active Structural Acoustic Control System

2020 ◽  
Author(s):  
M. Misol ◽  
S. Algermissen
Keyword(s):  
Remote Sensing ◽  
Control System ◽  
Acoustic Control ◽  
Structural Acoustic Control

scholarly journals Towards a Lining Integrated Active Structural Acoustic Control System

2020 ◽  
Author(s):  
S. Algermissen ◽  
M. Misol ◽  
A. Kokott ◽  
T. Haase ◽  
K. Gonet ◽  
...  
Keyword(s):  
Control System ◽  
Acoustic Control ◽  
Structural Acoustic Control

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

2013 ◽  
Vol 310 ◽  
pp. 435-438
Author(s):  
Qi Bo Mao ◽  
Lu Wan
Keyword(s):  
Control System ◽  
Shape Function ◽  
One Dimension ◽  
Spatial Derivative ◽  
Radiation Mode ◽  
Acoustic Control ◽  
New Strategy ◽  
Structural Mode ◽  
Mode Shape Function ◽  
Structural Acoustic Control

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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