研究不同驾驶风格与路况对乘客舒适度和晕车的影响。
Analysis of the Motion Sickness and the Lack of Comfort in Car Passengers
- 通过实测三名司机在两种车型上行驶不同路段的加速度数据，分析舒适度参数。
- 纵向和横向加速度对不适感影响远大于垂直加速度，且道路类型显著影响舒适度。
- 结果与乘客主观反馈一致，为自动驾驶座舱设计提供实验依据。
高级驾驶辅助系统（ADAS）主要关注行车安全与交通拥堵缓解，较少考虑乘客舒适度与晕车问题。随着自动驾驶汽车的发展，乘客舒适度下降和晕车现象加剧，从舒适性角度进行研究变得尤为重要。本文通过整合三名司机驾驶两辆不同车辆在多种路线上的加速度数据，详细分析驾驶风格、车辆类型及道路条件对乘客舒适度评价参数的影响。首先，对文献中报道的主要舒适度评价变量数值进行分析；其次，开展概率密度与功率谱密度的补充统计分析；最后，将定量结果与乘客的定性反馈进行对比。结果表明，舒适度参数值高度依赖于道路类型，驾驶风格与车辆动态特性会放大或减弱这些值。纵向与横向加速度对舒适度的负面影响远超垂直加速度。基于上述结果，本文提出新的实验计划以进一步验证。
原文摘要 · Abstract (English)
Advanced driving assistance systems (ADAS) are primarily designed to increase driving safety and reduce traffic congestion without paying too much attention to passenger comfort or motion sickness. However, in view of autonomous cars, and taking into account that the lack of comfort and motion sickness increase in passengers, analysis from a comfort perspective is essential in the future car investigation. The aim of this work is to study in detail how passenger's comfort evaluation parameters vary depending on the driving style, car or road. The database used has been developed by compiling the accelerations suffered by passengers when three drivers cruise two different vehicles on different types of routes. In order to evaluate both comfort and motion sickness, first, the numerical values of the main comfort evaluation variables reported in the literature have been analyzed. Moreover, a complementary statistical analysis of probability density and a power spectral analysis are performed. Finally, quantitative results are compared with passenger qualitative feedback. The results show the high dependence of comfort evaluation variables' value with the road type. In addition, it has been demonstrated that the driving style and vehicle dynamics amplify or attenuate those values. Additionally, it has been demonstrated that contributions from longitudinal and lateral accelerations have a much greater effect in the lack of comfort than vertical ones. Finally, based on the concrete results obtained, a new experimental campaign is proposed.
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