Electric Vehicle Interior Noise Contribution Analysis

Paper #:
  • 2016-01-1296

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-1296
Citation:
Cao, Y., Wang, D., Zhao, T., Liu, X. et al., "Electric Vehicle Interior Noise Contribution Analysis," SAE Technical Paper 2016-01-1296, 2016, doi:10.4271/2016-01-1296.
Pages:
7
Abstract:
Noise excitation sources are different between electric vehicles and conventional vehicles due to their distinct propulsion system architecture. This work focuses on an interior noise contribution analysis by experimental measurements and synthesis approach using a methodology established based on the principle of noise path analysis. The obtained results show that the structure-borne noise from the tire-road excitation acts as a major contributor to the overall interior noise level, and the structure-borne noise from the power plant system contributes noticeably as well, whereas contributions from the electric motor and tire are relatively insignificant.
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