Parametric Optimization of ¼ Vehicle Linear Model Excited by Random Road Profile from ISO 8608:2016

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Keywords:

Parametric Optimization, Response Map Technique, Random Vibration, Quarter Vehicle, comfort/handling

Abstract

The aim of the present work is to determine the optimal mass, stiffness, and damping parameters for a linear dynamic model of vehicle suspension for a quarter vehicle. The dynamic model of the quarter vehicle suspension was made dimensionless, and the dimensional parameters of the suspension were defined from the dimensionless parameters of mass ratio, stiffness ratio, and damping ratio. The dynamic model of the quarter vehicle is excited by the normalized random road profile (ISO 8608:2016). Using a response map technique, the comfort criteria J_1 and roadhold criteria J_2 were mapped for the combinations of the above dimensionless ratios that resulted in the optimization of the criteria. The optimal configurations obtained are evaluated by the exposure limit for reduced efficiency level (ISO 2631:1978).

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ISO 8608 (2016) Mechanical vibration — Road surface profiles — Reporting of measured data

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Published

2023-09-08

How to Cite

GOMES, P. C., GIRAO DE MORAIS, M. V., & TEIXEIRA, E. L. S. (2023). Parametric Optimization of ¼ Vehicle Linear Model Excited by Random Road Profile from ISO 8608:2016. Revista Interdisciplinar De Pesquisa Em Engenharia, 9(1), 11–26. Retrieved from https://periodicos.unb.br/index.php/ripe/article/view/48348

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Vol. 9 No. 1 (2023): Revista Interdisciplinar de Pesquisa em Engenharia

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