Modelling and active control aiming at enhancing the sound transmission loss of thin partition panels

Fabio T. A. Okina; Simone Baro; Francesco Ripamonti; Flávio Buiochi

doi:10.1117/12.2511844

21 March 2019 Modelling and active control aiming at enhancing the sound transmission loss of thin partition panels

Fabio T. A. Okina, Simone Baro, Francesco Ripamonti, Flávio Buiochi

Proceedings Volume 10967, Active and Passive Smart Structures and Integrated Systems XIII; 109672J (2019) https://doi.org/10.1117/12.2511844
Event: SPIE Smart Structures + Nondestructive Evaluation, 2019, Denver, Colorado, United States

Abstract

The transport and civil industry research has been aiming at improving vibro-acoustic performance of panel-like structures such as trim panels, glazing windows or separating walls. Focusing on the airborne path, the application of an active control for optimizing the plate acoustic isolation performance is here investigated. A transmission model of an acoustically excited plate is derived in the time domain predicting the plate velocity and its acoustic radiation. The dynamic system is modelled together with the control loop in MATLAB where a suitable control algorithm for enhancing the panel transmission loss performance is developed.

Citation Download Citation

Fabio T. A. Okina, Simone Baro, Francesco Ripamonti, and Flávio Buiochi "Modelling and active control aiming at enhancing the sound transmission loss of thin partition panels", Proc. SPIE 10967, Active and Passive Smart Structures and Integrated Systems XIII, 109672J (21 March 2019); https://doi.org/10.1117/12.2511844

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