NVH and Acoustics Analysis Solutions for Electric Drives

2016-01-1802

06/15/2016

Event
9th International Styrian Noise, Vibration & Harshness Congress: The European Automotive Noise Conference
Authors Abstract
Content
Recently, hybrid and fully electric drives have been developing widely in variety, power and range. The new reliable simulation approaches are needed, in order to meet the defined NVH targets of these systems and implementing CAE methods for front loading, Design Validation Process (DVP).
This paper introduces the application of a novel NVH analysis workflow on an electric vehicle driveline including both electromagnetic and mechanical excitations for an absolute evaluation of the NVH performance. At first, the electromagnetic field is simulated using FEM method to extract the excitations on the stator, rotor bearings as well as the drive torque. Then, the multibody dynamic model of the driveline is built-up, driven by this torque. The effect of eccentricity and skew angle of rotor in electromagnetic excitations are shown. The total NVH response of the system, e.g., the structure normal surface velocity levels are generated by means of a coupled model using Multi-body dynamics and electromagnetic excitations.
Meta TagsDetails
DOI
https://doi.org/10.4271/2016-01-1802
Pages
6
Citation
Mehrgou, M., Zieher, F., and Priestner, C., "NVH and Acoustics Analysis Solutions for Electric Drives," SAE Technical Paper 2016-01-1802, 2016, https://doi.org/10.4271/2016-01-1802.
Additional Details
Publisher
Published
Jun 15, 2016
Product Code
2016-01-1802
Content Type
Technical Paper
Language
English