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Stochastic Analysis of a Body-on-Frame Vehicle to Achieve Reliable and Robust Shake Performance
Technical Paper
2003-01-0873
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper addresses the influence of variability resulting from mount / bushing rates and gages of major structural members to the vehicle shake response. Comparisons of two vehicles to study the concepts of reliability and robustness from vehicle shake perspective are presented. The relationship between vehicle tunability and robustness has been addressed.
The First Order Second Moment (FOSM) method is used to provide an initial estimate of the variability or robustness of the design. The influence of body gages, body mount rates and suspension bushings, for two different modal management strategies, has been included. These studies have been compared with Monte Carlo Simulation using a dynamically condensed model.
The influence of modal management as a key enabler to achieve a reliable NVH performance has been presented. Various factors influencing robustness in modal management and vehicle shake performance have been discussed. Critical vehicle design parameters which, need to be controlled with tight tolerances to achieve a very robust and reliable system from shake perspective have been identified.
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Authors
Citation
Avutapalli, B., Avutapalli, S., and Keshtkar, H., "Stochastic Analysis of a Body-on-Frame Vehicle to Achieve Reliable and Robust Shake Performance," SAE Technical Paper 2003-01-0873, 2003, https://doi.org/10.4271/2003-01-0873.Also In
Reliability & Robust Design in Automotive Engineering on CD-ROM
Number: SP-1736CD; Published: 2003-03-03
Number: SP-1736CD; Published: 2003-03-03
References
- Phadke, M. S. 1989 Quality Engineering using Robust Design Prentice Hall Englewood Cliffs, New Jersey
- Ross, P. J. 1988 Taguchi Techniques for Quality Engineering McGraw Hill New York
- Roy, R. 1990 A Primer on the Taguchi Method Van Nostrand Reinhold New York
- Patrick, Koch. 2001 Design for Six Sigma through Robust Optimization - iSIGHT implementation and applications International iSIGHT Automotive Conference