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Optimal Design Parameters of Cab’s Isolation System for Vibratory Roller Using a Multi-Objective Genetic Algorithm

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Abstract:

In order to improve the vibratory roller ride comfort, a multi-objective optimization method based on the improved genetic algorithm NSGA-II is proposed to optimize the design parameters of cab’s isolation system when vehicle operates under the different conditions. To achieve this goal, 3D nonlinear dynamic model of a single drum vibratory roller was developed based on the analysis of the interaction between vibratory roller and soil. The weighted r.m.s acceleration responses of the vertical driver’s seat, pitch and roll angle of the cab are chosen as the objective functions. The optimal design parameters of cab’s isolation system are indentified based on a combination of the vehicle nonlinear dynamic model of Matlab/Simulink and the NSGA - II genetic algorithm method. The results indicate that three objective function values are reduced significantly to improve vehicle ride comfort.

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Periodical:

Applied Mechanics and Materials (Volume 875)

Pages:

105-112

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.875.105

Citation:

Cite this paper

Online since:

January 2018

Authors:

Van Quynh Le*, Khac Tuan Nguyen

Keywords:

Cab, Isolation System, NSGA - II Genetic Algorithm Method, Optimal Design Parameters, Ride Comfort, Vibratory Roller

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* - Corresponding Author

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