TY - GEN
T1 - Noise barrier using feedback active noise control
AU - Wang, Xun
AU - Kijimoto, Shinya
AU - Koba, Yosuke
AU - Matsuda, Koichi
PY - 2011/12/1
Y1 - 2011/12/1
N2 - In this paper, a kind of active noise barrier (ANB) using active noise control (ANC) technique to improve noise attenuation in low frequencies is proposed. The ANB consists of an ordinary noise barrier, three active noise control units (ANCU) and a DSP (TMS 320C6713 DSK). Feedback ANC system is used in the ANCUs. In order to achieve higher noise attenuation, fast transversal filter adaptive algorithm is introduced into the feedback ANC system. An investigation into the acoustic boundary generated by an ANCU is conducted. It is shown that the acoustic power flow around the surface of an ANCU reduced when control is turned on. Also, numerical and experimental study on an active noise barrier is conducted. As a result, the active noise barrier shows better noise attenuation performance in low frequencies.
AB - In this paper, a kind of active noise barrier (ANB) using active noise control (ANC) technique to improve noise attenuation in low frequencies is proposed. The ANB consists of an ordinary noise barrier, three active noise control units (ANCU) and a DSP (TMS 320C6713 DSK). Feedback ANC system is used in the ANCUs. In order to achieve higher noise attenuation, fast transversal filter adaptive algorithm is introduced into the feedback ANC system. An investigation into the acoustic boundary generated by an ANCU is conducted. It is shown that the acoustic power flow around the surface of an ANCU reduced when control is turned on. Also, numerical and experimental study on an active noise barrier is conducted. As a result, the active noise barrier shows better noise attenuation performance in low frequencies.
UR - http://www.scopus.com/inward/record.url?scp=84867922389&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84867922389&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:84867922389
SN - 9781618392800
T3 - 40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011
SP - 2555
EP - 2560
BT - 40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011
T2 - 40th International Congress and Exposition on Noise Control Engineering 2011, INTER-NOISE 2011
Y2 - 4 September 2011 through 7 September 2011
ER -