Analysis of acoustic data for hybrid and electric vehicles measured on hemi-anechoic chambers

Hastings, Aaron; Ahearn, Meghan; McInnis, Catherine; John A. Volpe National Transportation Systems Center (U.S.)

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Analysis of acoustic data for hybrid and electric vehicles measured on hemi-anechoic chambers

2015-04-01
By Hastings, Aaron ; Ahearn, Meghan ; McInnis, Catherine

[PDF-1.13 MB]

English

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Details:

Creators:

Hastings, Aaron ; Ahearn, Meghan ; McInnis, Catherine

Hastings, Aaron ; Ahearn, Meghan ; McInnis, Catherine Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center (U.S.)
Corporate Contributors:

United States. National Highway Traffic Safety Administration
Subject/TRT Terms:

[+]

Acoustic Measuring Instruments Ambient Noise Audible Warning Devices Data Collection Electric Vehicles Hybrid Vehicles Pedestrians Visually Impaired Persons
Publication/ Report Number:

Docket No. NHTSA-2016-0125
Resource Type:

Tech Report
Geographical Coverage:

Canada ; United States

Canada ; United States Less -
Corporate Publisher:

United States. National Highway Traffic Safety Administration
NTL Classification:

NTL-SAFETY AND SECURITY-Highway Safety;NTL-SAFETY AND SECURITY-Vehicle Design;NTL-PEDESTRIAN AND BICYCLES-Pedestrians;
Abstract:

The Pedestrian Safety Enhancement Act of 2010 requires the National Highway Traffic Safety

Administration to conduct a rulemaking to establish a Federal Motor Vehicle Safety Standard requiring an alert sound for pedestrians to be emitted by electric or hybrid vehicles. The goal is to establish performance requirements for an alert sound that allows blind and other pedestrians to reasonably detect a nearby electric or hybrid vehicle.

This report documents the analysis of acoustic data for a subset of vehicles measured on hemi-anechoic chambers equipped with a chassis dynamometer. The analyses include data for electric, hybrid, and internal combustion engine vehicles. Ambient noise, measurement repeatability (run-to-run), and measurement reproducibility (site- to-site) are examined. The analysis also includes a limited comparison of indoor and outdoor testing. Indoor test data was provided by Transport Canada. NHTSA’s Vehicle Research and Test Center (VRTC) and the Transportation Research Center (TRC) provided outdoor test data for this analysis.
Format:

PDF
Funding:

DTNH22-14-000138
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:83ea9210dbced68d16e0a7e9830a2a034c9e386b94c490aa3cac2c51a5cc0b6f
Download URL:

https://rosap.ntl.bts.gov/view/dot/12451/dot_12451_DS1.pdf
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Analysis of acoustic data for hybrid and electric vehicles measured on hemi-anechoic chambers

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