An active control approach that reduces transient noise transmission through a membrane in a circular duct is presented. Discrete sections of piezo-electrical film, PVDF, are used as actuators to adjust the tension of the membrane. Different control strategies, such as optimal, sliding mode and velocity feedback control, are investigated analytically and then implemented experimentally. It is shown that velocity feedback control is the more effective, stable controller for this application.

Issue Section:
Research Papers
Topics:
Membranes, Noise (Sound), Transients (Dynamics), Feedback, Actuators, Control equipment, Ducts, Tension
1.
Baumann
W. T.
,
1991
, “
Active Suppression of Acoustic Radiation from Impulsive Excited Structures
,”
J. Acoust. Soc. Am.
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3208
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2.
Deffayet
C.
, and
Nelson
P. A.
,
1988
, “
Active Control of Low-Frequency Harmonic Sound Radiated by a Finite Panel
,”
J. Acoust. Soc. Am.
, Vol.
84
, No.
6
, December, pp.
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2199
.
3.
Fuller
C. R.
,
1990
, “
Active Control of Sound Transmission/Radiation from Elastic Plates by Vibration Inputs; I. Analysis
,”
Journal of Sound and Vibration
, Vol.
136
, No.
1
, pp.
1
–
15
.
4.
Fuller
C. R.
,
Hansen
C. H.
, and
Snyder
S. D.
,
1991
, “
Active Control of Sound Radiation from a Vibrating Rectangular Panel by Sound Sources and Vibration Inputs: An Experimental Comparison
,”
Journal of Sound and Vibration
, Vol.
145
, No.
2
, pp.
195
–
215
.
5.
Fuller
C. R.
,
Hansen
C. H.
, and
Snyder
S. D.
,
1991
, “
Experiments on Active Control of Sound Radiation from a Panel Using a Piezoceramic Actuator
,”
Journal of Sound and Vibration
, Vol.
150
, No.
2
, pp.
179
–
190
.
6.
Gu
Y.
, and
Fuller
C. R.
,
1991
, “
Active Control of Sound Radiation Due to Subsonic Wave Scattering from Discontinuities on Fluid-Loaded Plates. I: Far-Field Pressure
,”
J. Acoust. Soc. Am.
, Vol.
90
, No.
4
, October, pp.
2020
–
2026
.
7.
Liang
C.
,
Rogers
C. A.
, and
Fuller
C. R.
,
1991
, “
Acoustic Transmission and Radiation of Adaptive Shape-Memory Alloy Reinforced Laminated Plates
,”
Journal of Sound and Vibration
, Vol.
145
, No.
1
, pp.
23
–
41
.
8.
Lueg, P., 1938, United Statest Patent, 2,043,416.
9.
Meirovitch, L., 1967, Analytical Methods in Vibrations, MacMillan Publishing Co.
10.
Pan
J.
,
Hansen
C. H.
, and
Bies
D. A.
,
1990
, “
Active Control of Noise Transmission through a Panel into a Cavity: I: Analytical Study
,”
J. Acoust. Soc. Am.
, Vol.
87
, No.
5
, May, pp.
2098
–
2108
.
11.
Pan
J.
, and
Hansen
C. H.
,
1991
, “
Active Control of Noise Transmission through a Panel into A Cavity: I: Experimental Study
,”
J. Acoust. Soc. Am.
, Vol.
90
, No.
3
, September, pp.
1488
–
1492
.
12.
Pan
J.
, and
Hansen
C.
,
1991
, “
Active Control of Noise Transmission through a Panel into a Cavity. III: Effect of the Actuator Location
,”
J. Acoust. Sac. Am.
, Vol.
90
, No.
3
, September, pp.
1493
–
1501
.
13.
Rogers
C. A.
,
1990
, “
Active Vibration and Structural Acoustic Control of Shape Memory Alloy Hybrid Composites: Experimental Results
,”
J. Acoust. Soc. Am.
, Vol.
88
, No.
6
, December, pp.
2803
–
2811
.
14.
Rogers
C. A.
,
Fuller
C. R.
, and
Liang
C.
,
1990
, “
Active Control of Sound Radiation from Panels Using Embedded Shape Memory Alloy Fibres
,”
Journal of Sound and Vibration
, Vol.
136
, No.
1
, pp.
164
–
170
.
15.
Snyder
S. D.
, and
Hansen
C. H.
,
1991
, “
Mechanisms of Active Noise Control by Vibration Sources
,”
Journal of Sound and Vibration
, Vol.
147
, No.
3
, pp.
519
–
525
.
16.
Stevens
J. C.
, and
Ahuja
K. K.
,
1991
, “
Recent Advances in Active Noise Control
,”
AIAA Journal
, Vol.
29
, No.
7
, July, pp.
1058
–
1067
.
17.
Wang
B.-T.
,
Fuller
C. R.
, and
Dimitriades
E. K.
,
1991
, “
Active Control of Noise Transmission Through Rectangular Plates Using Multiple Piezoelectrical or Point Forces
,”
J. Acoust. Soc. Am.
, Vol.
90
, No.
5
, 1991, pp.
2820
–
2830
.
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