运用ADAMS软件创建了双纵臂式非独立后悬架运动学模型,分析了轮胎在侧向力、纵向力作用下各拉杆的受力情况及后轴运动学特性.研究表明:横向推力杆及上拉杆结构增加了后轴侧倾不足转向趋势,横向推力杆对后轴侧倾不足转向的贡献为29％,上拉杆对后侧倾不足转向的贡献为11％;转弯工况,横向推力杆主要承受来自地面的横向力,横向推力杆承受的横向力为78％;上拉杆对纵倾稳定性影响很大.%The kinematics model of dual longitudinal arm dependent rear suspension was established by using ADAMS software. The force acted on the arm and the rear axle kinematics characteristics were analyzed on the condition of tire cornering the lateral force and the longitudinal force. The result showed that the layouts of the crosslink and upper link increase the rear axle under-steer performance. The crosslink ' s contribution to the under-steer is 29% and the upper link' s contribution is 11% . The crosslink is subjected to the most lateral force up to 78% on the steering condition. The upper link has important influence on the pitch performance.
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