Research of Effect of Electric Powertrain on Vehicle Noise Hebei University of Technology

Format:

Conference/Event

Author/Creator:

Liu, Liu, author.

Contributor:

Ma, Kunqi

Yu, Hanzhengnan

Conference Name:

WCX World Congress Experience (2018-04-10 : Detroit, Michigan, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2018

Summary:

AbstractA low-speed and heavy-duty electric powertrain was selected as the research object, the influence of electric powertrain characteristics on whole vehicle noise under accelerating condition (Speed range 800 rmin1~2200 rmin1; Torque range 500Nm~960Nm) was studied. Considering the traveling characteristics around the city, the interior and powertrain noise were recorded as the accelerating working range (10km/h~50km/h). Based on recording data, combining the noise generation mechanism of the motor and transmission, the components of the interior noise and motor/transmission noise were analyzed qualitatively using the order spectrum analysis; the contribution of the electric powertrain noise components to the interior were calculated quantitatively using the partial coherence analysis method; finally the measuring and analyzing methods of effect of electric powertrain on interior were built, which provided certain theoretical support for further improving the noise of electric powertrain and whole interior.Results shown that when the vehicle is running during 3rd gear, the noise in the vehicle is mainly caused by the shifting gear noise, Constant-mesh gear engagement noise and the stator tooth groove harmonic noise. When the speed is 20km/h and 25km/h, the noise is mainly affected by the gearbox. When the speed is 35km/h and 40km/h, the noise is mainly affected by the motor

Notes:

Vendor supplied data

Publisher Number:

2018-01-1282

Access Restriction:

Restricted for use by site license