扭杆梁式半独立悬架扭转刚度对车轮定位参数影响的仿真研究

文章在轿车扭杆梁式后桥等效刚度力学模型的基础上,建立了扭杆梁式半独立悬架ADAMS模型。通过对多体动力学模型的仿真计算,得到了车轮定位参数随悬架各个扭转刚度的动态特性曲线,并对结果进行了探讨分析,为研究汽车轮胎不均匀磨损打下了一定的基础。

Wheel alignment parameters change constantly with the wheel bouncing; it influences automotives＂ control stability and tire wear, and should be taken into account in suspension designing. Based on equivalent rigidity mechanical model of sedan torsion bar beam rear axle, the article establishes ADAMS model of torsion bar beam semi -independent suspension. The dynamic curve of wheel alignment parameters with any torsion rigidity is derived by artificial calculation of multi -body mechanical model, and results are analyzed. The work hereby provides foundation for the further research on uneven tire wear.