[HTML][HTML] Noise suppression in curved glass shells using macro-fiber-composite actuators studied by the means of digital holography and acoustic measurements
The paper presents methods and experimental results of the semi-active control of noise
transmission in a curved glass shell with attached piezoelectric macro fiber composite (MFC)
actuators. The semi-active noise control is achieved via active elasticity control of
piezoelectric actuators by connecting them to an active electric shunt circuit that has a
negative effective capacitance. Using this approach, it is possible to suppress the vibration
of the glass shell in the normal direction with respect to its surface and to increase the …
transmission in a curved glass shell with attached piezoelectric macro fiber composite (MFC)
actuators. The semi-active noise control is achieved via active elasticity control of
piezoelectric actuators by connecting them to an active electric shunt circuit that has a
negative effective capacitance. Using this approach, it is possible to suppress the vibration
of the glass shell in the normal direction with respect to its surface and to increase the …
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