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为实现对火星车整体性能的评估,完成对整车简化模型的初步性能分析,采用Vortex多体动力学系统建立整车机构动力学与轮壤力学模型,并对火星车在爬坡、行进间转向两种典型的工况下的车轮挂钩牵引力、车轮沉陷量、车轮滑转率、车轮法向力等性能参数进行了仿真和评估,其结果可为样机的研制提供重要的参考依据.
In order to evaluate the overall performance of the rover, the preliminary performance analysis of the vehicle simplified model is completed. The Vortex multi-body dynamics system is used to establish the vehicle body dynamics and the soil mechanics model. This paper simulates and evaluates the performance parameters of wheel hook traction, wheel settlement, wheel slip and wheel normal force under two typical conditions. The results can provide important reference for the development of prototype.