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首页> 外文期刊>SAE International Journal of Vehicle Dynamics, Stability, and NVH >Experimental Analysis of the Influence of Body Stiffness on Drivability and Dynamic Body Behavior with On-Road Experiments
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Experimental Analysis of the Influence of Body Stiffness on Drivability and Dynamic Body Behavior with On-Road Experiments

机译：车身刚度对驾驶性能和动态车身行为影响的实验分析及道路试验

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摘要

As of today, multiple studies suggest a perceptible influence of the vehicle body stiffness on the drivability and steering feel. Most of them use subjective methods to score changes in stiffness but do not conduct further measurements to explain the underlying physical chain. This interaction between the body stiffness and vehicle dynamics is not fully understood and requires further research, especially in the on-center behavior and maneuvers of low-lateral dynamics. This research focuses on these two areas by measuring the steering inputs, the resulting vehicle response and the vibrational behavior of the body on a freeway and a comfort test track. Afterward, the main effects of different stiffening measures are analyzed and discussed. Regarding the influence on the steering feel, differences can be measured but seem too small to be perceptible for a normal driver. The magnitude of the effects is comparable to the influences of nuisance parameters, such as temperature or tire wear. The vibrational behavior of the vehicle body is subject to greater changes when modifications in stiffness are made. Additional research into the interaction of body stiffness and vehicle dynamics must be conducted to build further understanding of the physical chain. Furthermore, the objectification of subjective perceptions in this area is another crucial building block in providing simulative models that can replace prototypes.
机译：截至今天,多项研究表明可察觉的影响车辆的身体刚度的驾驶性能和转向的感觉。他们中的大多数使用主观的方法来得分刚度,但不进行进一步的变化测量解释底层物理链。刚度和车辆动力学不完全理解,需要进一步的研究,特别是在中心和行为演习low-lateral动力学。通过测量集中在这两个区域转向输入,产生的车辆响应和身体的振动行为高速公路和舒适度测试轨道。主要的影响不同的加强措施进行了分析和讨论。在转向感觉,可以测量的差异但似乎是一个正常的明显太小了司机。与讨厌的影响参数,如温度或轮胎磨损。车身的振动行为更大的变化时修改刚度。交互的身体僵硬和车辆动态必须进一步进行构建对物理的理解链。主观感知的客观化这个区域是另一个关键构件提供仿真模型可以代替原型。

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