【摘要】 随着汽车工业的不断发展，悬架系统的轻量化设计逐渐成为了提升车辆性能的重要方向。对商用车空气悬架中的导向臂进行了轻量化优化研究。利用SolidWorks进行建模，并采用Ansys软件进行了有限元仿真分析，分析了导向臂在四种典型载荷工况下的应力与变形。运用响应面法对其尺寸进行了多目标优化，在保证力学性能的前提下实现了轻量化设计。通过有限元分析验证了优化后的力学性能，优化后导向臂的质量由原来的40.99 kg减轻至35.65 kg，减重率达到了13%。优化后的导向臂在各工况下的应力与变形均保持在允许范围内。研究结果为空气悬架系统的轻量化设计提供了参考。更多还原

【Abstract】 With the continuous development of the automobile industry,the lightweight design of the suspension system has gradually become an important direction to improve vehicle performance. In this paper,the lightweight optimization of the guide arm in the air suspension of commercial vehicles is studied. SolidWorks is used for modeling,and ansys software is used for finite element simulation analysis. The stress and deformation of the guide arm under four typical load conditions are analyzed. The response surface method was used to optimize its size,and the lightweight design was realized under the premise of ensuring the mechanical properties. The optimized mechanical properties were verified by finite element analysis. The mass of the optimized guide arm was reduced from 40.99 kg to 35.65 kg,and the weight reduction rate reached 13 %. The stress and deformation of the optimized guide arm under various working conditions are kept within the allowable range. The research results provide a reference for the lightweight design of air suspension system.更多还原