Assessing vehicle exterior noise using a virtual phased array (VPA)
Assessing vehicle exterior noise using a virtual phased array (VPA)
Exterior noise testing is one of the main standardized quality controls required for developing the majority of vehicles. The combination of static tests and on-road measurements provides an essential key to undertaking a successful refinement process. Beamforming techniques using phased microphone arrays are one of the most common tools for localizing and quantifying noise sources across the vehicle body. However, the use of such devices can result in a series of well-known disadvantages regarding, for instance, their very high cost or transducer calibration problems. Virtual Phased Arrays (VPAs) are proposed as an alternative solution to prevent these difficulties providing the sound field is time stationary. Several frequency domain beamforming techniques can be adapted to only use the relative phase between a fixed and a moving transducer. Therefore the results traditionally obtained using large arrays can be emulated by applying beamforming algorithms to data acquired from two sensors. Simulations and experimental data presented in this paper introduce a first approach to use virtual phased arrays for assessing complex noise problems, such as vehicle exterior noise radiation
Fernandez Comesana, Daniel
156c0f0a-b641-4b56-8790-ff3d4dcb96fd
Zajamsek, Branko
a65a3a32-33ca-4998-ab88-2f31cf239abd
Grosso, Andrea
2c9530b4-64de-4457-a6d8-83f91d4f8690
Holland, Keith R.
90dd842b-e3c8-45bb-865e-3e7da77ec703
13 May 2013
Fernandez Comesana, Daniel
156c0f0a-b641-4b56-8790-ff3d4dcb96fd
Zajamsek, Branko
a65a3a32-33ca-4998-ab88-2f31cf239abd
Grosso, Andrea
2c9530b4-64de-4457-a6d8-83f91d4f8690
Holland, Keith R.
90dd842b-e3c8-45bb-865e-3e7da77ec703
Fernandez Comesana, Daniel, Zajamsek, Branko, Grosso, Andrea and Holland, Keith R.
(2013)
Assessing vehicle exterior noise using a virtual phased array (VPA).
In Proceedings of SAE 2013 Noise and Vibration Conference and Exhibition Technical Papers.
SAE International..
(doi:10.4271/2013-01-1968).
Record type:
Conference or Workshop Item
(Paper)
Abstract
Exterior noise testing is one of the main standardized quality controls required for developing the majority of vehicles. The combination of static tests and on-road measurements provides an essential key to undertaking a successful refinement process. Beamforming techniques using phased microphone arrays are one of the most common tools for localizing and quantifying noise sources across the vehicle body. However, the use of such devices can result in a series of well-known disadvantages regarding, for instance, their very high cost or transducer calibration problems. Virtual Phased Arrays (VPAs) are proposed as an alternative solution to prevent these difficulties providing the sound field is time stationary. Several frequency domain beamforming techniques can be adapted to only use the relative phase between a fixed and a moving transducer. Therefore the results traditionally obtained using large arrays can be emulated by applying beamforming algorithms to data acquired from two sensors. Simulations and experimental data presented in this paper introduce a first approach to use virtual phased arrays for assessing complex noise problems, such as vehicle exterior noise radiation
Text
SAE_2013_Assessing vehicle exterior noise using virtual phased arrays (VPA).pdf
- Version of Record
Restricted to Repository staff only
Request a copy
More information
Published date: 13 May 2013
Venue - Dates:
SAE 2013 Noise and Vibration Conference, Grand Rapids, United States, 2013-05-20 - 2013-05-23
Organisations:
Acoustics Group
Identifiers
Local EPrints ID: 353802
URI: http://eprints.soton.ac.uk/id/eprint/353802
PURE UUID: bccf80d6-7aca-4f56-bc1b-8d6643fd9049
Catalogue record
Date deposited: 28 Jun 2013 12:38
Last modified: 14 Mar 2024 14:10
Export record
Altmetrics
Contributors
Author:
Daniel Fernandez Comesana
Author:
Branko Zajamsek
Author:
Andrea Grosso
Author:
Keith R. Holland
Download statistics
Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.
View more statistics