基于Carsim和Simulink联合仿真的汽车操纵稳定性评价

为了更好地评价汽车的操纵稳定性能，将汽车简化为一个包含侧向、横摆和侧倾的三自由度模型。在Carsim和Simulink上建立联合仿真模型，基于双移线和蛇形试验工况进行仿真试验，依照QC/T 480—1999中的评价准则，对模型仿真结果和实车试验结果进行综合评价计分，并对其进行对比分析。结果表明：所搭建的三自由度模型仿真结果评价得分与实车试验结果评价得分十分接近，能够更好地代表实车的操纵稳定性，可为后续汽车操纵稳定性评价提供了一定参考。

Vehicle Handling Stability Evaluation Based on CarSim and Simulink Co-simulation

In order to better evaluate the vehicle handling stability performance, this paper simplified the vehicle into a three-degree-of-freedom model containing lateral, transverse and lateral sway. A joint simulation model was built on Carsim and Simulink, and the simulation test was conducted based on double shift and serpentine test conditions. According to the evaluation guidelines in QC/T480-1999, the model simulation results and the real vehicle test results were comprehensively evaluated and scored, and a comparative analysis between them was conducted. The results show that the evaluation scores of the simulation results of the three-degree-of-freedom model are very close to those of the real vehicle test results, which can better represent the handling stability of the real vehicle and provide some references for the subsequent evaluation of the vehicle handling stability.