[1]LI Wei,LI Qinghua.Transfer path analysis of power train vibration on automotive interior noise[J].CAAI Transactions on Intelligent Systems,2012,7(2):183-188.
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Transfer path analysis of power train vibration on automotive interior noise

CAAI Transactions on Intelligent Systems[ISSN 1673-4785/CN 23-1538/TP] Volume: 7 Number of periods: 2012 2 Page number: 183-188 Column: 学术论文—智能系统 Public date: 2012-04-25
Title:
Transfer path analysis of power train vibration on automotive interior noise
Author(s):
LI Wei;  LI Qinghua
Mechanical Engineering College, Changchun University, Changchun 130022, China
Keywords:
transfer path analysis;  vibration source identification;  powen train libration;  automotive interior noise
CLC:
TP18
DOI:
-
Abstract:
In order to research the influence of power train vibration on automotive interior noise, the principle of transfer path analysis (TPA) was introduced. The automotive interior noise which is caused by power train excitation was considered. The method and procedure of TPA were studied using LMS/TPA software. The dominant transfer path of mount vibration which has an influence on the interior noise was identified. The results show that the power train excitation influences the interior noise most, and the right mount in the Z direction has the most influence on interior noise. In order to reduce interior noise under this condition, the emphasis should be put on the right mount in order to better improve isolation performance. By applying the TPA method, the amplitude of every transfer paths’ partial contribution was identified and the phase relationship among the contribution amplitudes was given. This paper provides a basis for the design of power train mounts. 
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