汽车操纵稳定性的虚拟试验技术  

The Virtual Environment Test Technique on Vehicle Handling and Stability

作　　者：王国权[1] 王树凤[2] 李世雄[3] 余群[3] 

机构地区：[1]北京机械工业学院机械工程系,北京100085 [2]山东理工大学车辆与交通学院,淄博255049 [3]中国农业大学工学院,北京100083

出　　处：《上海交通大学学报》2006年第1期172-176,180,共6页Journal of Shanghai Jiaotong University

基　　金：北京市优秀人才培养专项经费资助项目(20041D0500603)

摘　　要：设计了汽车操纵稳定性虚拟试验系统,建立操纵稳定性动力学仿真分析模型,并进行车辆实体建模和行为建模.虚拟试验场景采用分层模块化的树形结构,用不同的类和节点并组织虚拟试验场的各种对象,并设置了光照、雾化和声音信息.虚拟试验过程是数据空间到图形图像空间的映射,使用WTK编程,通过仿真分析数据驱动汽车在虚拟的试验场中行驶,并用分割视屏窗口的方法实现了试验过程的立体视觉显示,从而实现了操纵稳定性的虚拟试验.实际车辆试验表明,虚拟试验分析数据与实车试验比较接近,驾驶员感受的场景与实车试验有较好的一致性.This paper designed a virtual test system on vehicle handling and stability, established the dynamic model for handling and stability. The virtual proving ground was made of hierarchical components and constructed by a serious of special classes. Light, fog and voice was set to the proving ground also. The virtual test process is the vehicle model driven in the virtual proving ground by the vehicle parameters and states obtained from the dynamics simulation, and is realized by the World Tool Kit （WTK） software. Stereovision images are reached by splitting the display window. The actual test shows that when the vehicle model runs in the virtual ground, driver can obtain the partly reality felling, and the virtual test is closed to the real test. This study delivered a new approach of quick investigation, evaluation for innova- tive concepts in automotive development which can drastically reduce the time and cost.

关 键 词：汽车操纵稳定性 虚拟试验场景 虚拟试验 分层模块化 

分 类 号：U461.6[机械工程—车辆工程] TP391.9[交通运输工程—载运工具运用工程]