摘要
通过分析目标车型的结构,建立车辆各子部分模型,并装配成整车仿真模型。利用有限元前处理软件Hyper Mesh建立柔性体前后悬架的下摆臂模型,并组装生成整车刚柔耦合模型。通过分析前束角和外倾角匹配值,定位灵敏度高的悬架硬点坐标并对其优化,使得前轮定位参数与侧滑量最小时的前束角与外倾角一致。将改进后的整车模型与原车型进行仿真路面试验,试验证明优化后模型驾驶员质心总加权加速度较原模型降低3%,提高了目标车型的平顺性和舒适性。
By analyzing the structure of the target vehicle, the sub part models of the vehicle are established and assembled into the vehicle simulation model. The lower arm model of the front and rear suspension of the flexible body is established by using the finite element pre-processing software HyperMesh, and the rigid flexible coupling model of the whole vehicle is assembled. By analyzing the matching value of toe-in angle and camber angle, the suspension hard-point coordinates with high sensitivity are located and optimized,so that the toe-in angle and camber angle with the least front wheel alignment parameters and sideslip are consistent. The improved vehicle model is compared with the original vehicle for road simulation test. The results show that the total weighted acceleration of the driver’s center of mass of the optimized model is reduced by 3% compared with the original model, and the ride smoothness and comfort of the target vehicle are improved.
作者
孙银银
Sun Yinyin(College of Information Technology,Guilin University of Electronic Technology,Guilin City,Guangxi Zhuang Autonomous Region 541004,China)
出处
《农业装备与车辆工程》
2022年第5期69-73,共5页
Agricultural Equipment & Vehicle Engineering
基金
桂林电子科技大学信息科技学院2020年科研启动基金项目(XJ202045)。
