Research on carbon fiber paving of control arm based on multi-objective optimization

doi:10.19936/j.cnki.2096-8000.20230228.005

Abstract

Abstract: In order to obtain the lightweight carbon fiber control arm and determine the optimal carbon fiber laying angle, the moving least square method fitting response surface combined with multi-objective optimization method is adopted. Firstly, when the steel control arm is replaced by carbon fiber composite, the thickness of carbon fiber composite is determined based on the approximate relationship of equal stiffness. In order to further improve the performance of carbon fiber composite control arm, Hammerley test and moving least square method are combined to fit the relationship between ply angle and stiffness performance of control arm. Based on the fitted response surface, the multi-objective optimization method is used to determine the best carbon fiber ply angle scheme. Compared with the original steel control arm, the weight of the carbon fiber control arm is reduced by 32.7%, and the stiffness and strength performance meet the requirements.

Key words: control arm, carbon fiber, multi-objective optimization, composites

CLC Number:

TB332

KANG Yuanchun, LIU Junfeng. Research on carbon fiber paving of control arm based on multi-objective optimization[J]. COMPOSITES SCIENCE AND ENGINEERING, 2023, 0(2): 39-43.

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