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A Method to Monitor Operator Overloading

机译:一种监控操作员超载的方法

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摘要

This paper describes research that aims to quantify stress levels of operators who perform multiple tasks. The proposed method is based on the thermal signature of the face. It measures physiological function from a standoff distance and therefore, it can unobtrusively monitor a machine operator. The method was tested on 11 participants. The results show that multi-tasking elevates metabolism in the supraorbital area, which is an indirect indication of increased mental load. This local metabolic change alters heat dissipation and thus, it can be measured through thermal imaging. The methodology could serve as a benchmarking tool in scenarios where an operator's divided attention may cause harmful outcomes. A classic example is the case of a vehicle driver who talks on the cell phone. This stress measurement method when combined with user performance metrics can delineate optimal operational envelopes.
机译:本文介绍了旨在量化执行多个任务的操作员的压力水平的研究。所提出的方法基于面部的热特征。它可以从僵直的距离测量生理功能,因此可以毫不干扰地监视机器操作员。对该方法进行了11位参与者的测试。结果表明,多任务处理可提高眶上区域的新陈代谢,这是精神负荷增加的间接指示。这种局部代谢变化会改变散热,因此可以通过热成像对其进行测量。在操作员分散注意力可能导致有害结果的情况下,该方法可以用作基准工具。一个典型的例子是车辆驾驶员在手机上讲话。与用户性能指标结合使用时,这种压力测量方法可以描绘出最佳的运营范围。

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