The relationship between HRV parameters and stressful driving situation in the real road

2007 6th International Special Topic Conference on Information Technology Applications in Biomedicine Pub Date : 2007-12-26 DOI:10.1109/ITAB.2007.4407380

Haet Bit Lee, Jung Soo Kim, Yun Seong Kim, H. Baek, M. S. Ryu, K. Park

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引用次数: 41

Abstract

The aim of this paper is to find a relation between HRV parameters of ECG and stressful driving situation in the real road through various tests. First, we gave a stress to the subject by increasing the driving speed using driving simulator in the laboratory. Second, the subject drove the vehicle on the real road. Through let him drove in the busy narrow street, we evoked stress. ECG and PPG signal was recorded from steering wheel and back cushion each unconsciously. The driving experiment with simulator was not suitable to reproduce actual traffic condition because the adaptation was occurred. On the other hand, in real driving test, the results show that the heart rate is increase, and SDNN, RMSSD, pNN50 were decreased. The heart rate is the strongest indicator and other parameters tend to be changed depend on a personal. The blood pressure had no significant changes. Our results show the good possibility of that the time parameters of the HRV could be used as an instantaneous stress indicator.

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真实道路中HRV参数与压力驾驶状况的关系

本文的目的是通过各种测试，找出心电HRV参数与真实道路压力驾驶情况之间的关系。首先，我们通过在实验室中使用驾驶模拟器提高驾驶速度来强调受试者。第二，受试者在真实道路上驾驶车辆。通过让他在繁忙狭窄的街道上开车，我们唤起了压力。不自觉地分别从方向盘和靠垫处记录心电图和PPG信号。模拟驾驶实验由于发生了自适应，不能很好地再现实际交通状况。另一方面，在实际驾驶测试中，结果显示心率增加，SDNN、RMSSD、pNN50降低。心率是最有力的指标，其他参数往往会因个人而改变。血压没有明显变化。结果表明，HRV的时间参数很有可能作为瞬时应力指标。

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2007 6th International Special Topic Conference on Information Technology Applications in Biomedicine

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