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Optimal Mount Selection with Scattered and Bundled Stiffness Rates
Technical Paper
2006-01-0736
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The optimal selection of vehicle body and powertrain mounts from “mount libraries” is one of the major undertakings to achieve optimal vehicle dynamics and N&V performance through the reuse of existing mount designs. The great challenges of the process are due to the facts that conventional optimization procedures, either through simulation or DOE, can not be used directly because the stiffness rates of the mounts are scattered and bundled. Sorting out the best through hardware tests is generally unrealistic simply due to the huge number of mount combinations. This paper presents a new approach to the optimal mount selection, and demonstrates through applications that it is efficient and reliable. This approach characterizes a mount by its effective stiffness rate and evaluates its deviation from an associated target. Continuous dummy variables are used to determine the selection targets through conventional processes for performance optimization. The validity of the methodology is demonstrated through the comparisons of the selections made through the current approach with those obtained through full matrix runs of all possible mount combinations.
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Citation
Yuan, W., Wang, X., and Han, S., "Optimal Mount Selection with Scattered and Bundled Stiffness Rates," SAE Technical Paper 2006-01-0736, 2006, https://doi.org/10.4271/2006-01-0736.Also In
Reliability and Robust Design in Automotive Engineering, 2006
Number: SP-2032; Published: 2006-04-03
Number: SP-2032; Published: 2006-04-03
References
- Han, Shizhong Wang, Xianming Zoom-in DOE and Reliability Method for Vehicle Mount Tuning GM Global CAE Conference Paper 2005
- Newland, D.E. Random Vibration and Spectral Analysis Longman Scientific and Technical, England 1984