Objectively Defining Design Parameters Associated with Automotive Seat Comfort

每年，越来越多的人在车里呆的时间越来越长 **。有明确的证据表明，长时间暴露于坐姿与报告的腰痛和潜在的负面健康结果的高比率有关。与长时间驾驶相关的腰痛是 ** 有据可查的，腰痛是 ** 加拿大最常见和最常报告的职业伤害，在所有可赔偿伤害中平均费用最高。汽车座椅设计指标仍然是 ** 主观驱动的，这使得设计工程团队在开发新 ** 产品时处于一个具有挑战性的位置。工程师需要定义客观可测量的设计标准，如泡沫硬度，悬挂刚度，形状，轮廓，宽度，高度等，与用户舒适度评级保持一致。本研究所解决的具体问题是为所有座椅产品开发一种一致的设计方法，以获得舒适的座椅。其目的是确定重要的设计参数，减少主观 ** 对座椅开发的影响，以及座椅性能如何影响长时间驾驶 ** 暴露期间的不适。这项研究将检查驾驶员在两个小时的模拟驾驶过程中的反应。这项研究的具体目标是建立男性和女性座椅配置的数据，以指导客观的座椅设计标准，并确定这些因素如何影响长期模拟驾驶过程中的坐姿和舒适度。还将评价阀座材料随时间的变化，以评估阀座 ** 部件对生物物理反应的影响。研究结果将提供一个模型，允许潜在驾驶员的人体测量被操纵，以评估舒适性和座椅配置之间的联系，形成客观的汽车座椅设计方法的基础。客观设计方法的发展 ** 将减少设计时间，生产更一致的产品，并导致 ** 改善最终用户的舒适度。加拿大开发符合人体工程学标准的产品，可以减少腰部受伤，这对加拿大有很大的社会价值。

An increasing percentage of the population is spending longer periods of time in their vehicles every year.**There is clear evidence that longer exposures to seated postures are linked with higher rates of reported low**back pain and the potential for negative health outcomes. Low back pain associated with prolonged driving is**well-documented and low back injuries are the most common and frequently reported occupational injury in**Canada with the highest average dollar cost of all compensable injuries. Automotive seat design metrics remain**subjectively driven placing Design Engineering Teams in a challenging position when developing new**products. Engineers need defined objective measurable design criteria such as foam firmness, suspension**stiffness, shape, contour, width, height, etc. that align with user comfort ratings. The specific problem**addressed by this research is to develop a consistent design approach for all seating products that results in**comfortable seats. The objectives are to determine the important design parameters that reduce the subjective**influence on seat development and how seat properties influence discomfort during prolonged driving**exposure. This research will examine the responses of drivers during two-hours of simulated driving. The**specific goals of the study are to establish data on the seating configurations of men and women to guide**objective seat design criteria and determine how these factors influence seated posture and comfort during**prolonged simulated driving. The seat material changes over time will also be evaluated to assess the seat**component influence on the biophysical responses. Study outcomes will provide a model that allows the**anthropometrics of a potential driver to be manipulated to evaluate links between comfort and seat**configurations forming the foundation for an objective automotive seating design approach. The development**of an objective design approach will reduce design time, produce more consistent product and result in**improved end user comfort. There is large societal value to Canada in developing a product that meets**ergonomic standards and could reduce low back injuries.