Applications of the piezoelectric active control to the reduction of vibration and noise

The piezoelectric active control has broad prospects for the reduction of vibration and noise. Three solutions of the vibration reduction of the simply-supported beam, the noise reduction of the aluminum plate and the vibration reduction of the base plate have been designed in this paper. The experimental results showed that the reductions of the vibration and noise for the single signal frequency were all up to about 90%, and it proved that the reduction of the vibration and noise for the single frequency by using the piezoelectric active control was feasible and the performance was significant.