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Test Methodology to Reduce Axle Whine in a 4WD Vehicle
Technical Paper
2005-01-2403
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
With the ever increasing popularity of SUV automobiles, studies involving driveline specific problems have grown. One prevalent NVH problem is axle whine associated with the assembled motion transmission error (MTE) of an axle system and the corresponding vibration/acoustic transfer paths into the vehicle. This phenomenon can result in objectionable noise levels in the passenger compartment, ensuing in customer complaints. This work explores the methodology and test methods used to diagnose and solve a field axle whine problem, including the use of cab mount motion transmissibility path analysis, running modes and a detailed MTE best-of-the-best (BOB)/worst-of-the-worst (WOW) study. The in-vehicle axle whine baseline measurements including both vehicle dynamometer and on-road test conditions, along with the countermeasures of axle whine fixes are identified and presented in this paper.
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Authors
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Citation
Headley, J. and Liu, K., "Test Methodology to Reduce Axle Whine in a 4WD Vehicle," SAE Technical Paper 2005-01-2403, 2005, https://doi.org/10.4271/2005-01-2403.Data Sets - Support Documents
| Title | Description | Download |
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| Unnamed Dataset 1 |
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References
- Chung, C. H. Steyer, G. Abe, T. Clapper, M. Shah, C. “Noise Reduction through Transmission Error Control and Gear Dynamic Tuning,” SAE Noise and Vibration Conference, Paper Number 1999-01-1766 1999
- Steyer, G. C. Lim, T. C. “System Dynamics in Quiet Gear Design,” Proceedings of the 9 th International Modal Analysis Conference 999 1005 1991