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Comfort-Driven Design of Car Interiors: A Method to Trace Iso-Comfort Surfaces for P ositioning the Dashboard Commands

机译:舒适驱动的汽车内饰设计:追踪仪表板命令的追踪异构舒适曲面的方法

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General comfort can be defined as the measure of the “level of wellbeing” perceived by humans when interacting with a working environment. The state of the art for comfort/discomfort evaluation shows the need for an objective method to evaluate both “effects on the internal body” and “perceived effects” when considering the perception of comfort. Medical studies show that each joint has its own natural resting posture. In this posture, our muscles are completely relaxed or at minimum levels of strain. The body's geometrical configuration corresponds to the natural resting position of arms/legs/neck etc. From this starting point, the authors experimented to develop and built postural-comfort curves for each degree of freedom (DOF) of upper-limb joints. These curves are regular, and do not show any kind of discontinuity. Software (CA-Man) was developed to analyze different postures and calculate a postural comfort index for the entire upper body. This paper examines a postural comfort study that has been used to develop the MATLAB Digital Human Model. Several routines for tracing trajectories while reaching for commands in a confined environment (e.g., a work table or a car-cockpit) were evaluated to obtain the maximum perceived postural comfort for each target point. Iso-comfort points were defined for each space, and iso-comfort surfaces were designed using an appropriate CAD system. An example of these routines is shown below. Iso-comfort surfaces can be also customized for different percentiles. This allows car-interior designers to have a virtual knowledge of the final perceived comfort when they decide, for example, on the positioning of a dashboard command.
机译:一般舒适度可被定义为人类在与工作环境交互时所感知的“福祉水平”的量度。舒适/不适评估的最新技术表明,需要一种客观方法,以评估在考虑到舒适感的感知时评价“对内部身体的影响”和“感知作用”。医学研究表明,每个关节都有自己的自然休息姿势。在这种姿势中,我们的肌肉完全放松或最小的菌株水平。身体的几何配置对应于来自该起点的臂/腿/颈部等的自然静止位置,作者试图为上肢关节的每种自由度(DOF)开发和建立姿势舒适性曲线。这些曲线是常规的,并且没有显示任何类型的不连续性。开发了软件(CA-MAN)以分析不同的姿势,并计算整个上半身的姿势舒适指数。本文审查了一个姿势舒适研究,已被用于开发Matlab数字人体模型。评估用于在狭窄环境中的命令(例如,工作台或汽车驾驶舱)中追踪轨迹的几种程序,以获得每个目标点的最大感知姿势舒适度。为每个空间定义了ISO-Comfort点,使用适当的CAD系统设计了ISO舒适表面。这些例程的示例如下所示。 ISO-Comfort表面也可以为不同的百分位定制。这允许汽车室内设计者在例如在仪表板命令的定位时决定时,可以在最终感知舒适度的虚拟知识。

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