东华大学学报（英文版）2005，Vol.22Issue(1)：11-15,5.
Power Spectral Analysis of Heart Rate Variability of Driver Fatigue
Power Spectral Analysis of Heart Rate Variability of Driver Fatigue
JIAO Kun 1LI Zeng-yong 1CHEN Ming 1WANG Cheng-tao1
作者信息
- 1. Institute of Life Quality via Mechanical Engineering, Shanghai Jiaotong University, Shanghai 200030
- 折叠
摘要
Abstract
This investigation was to evaluate the driving fatigue based on power spectral analysis of heart rate variability (HRV) under vertical vibration. Forty healthy male subjects (29.7±3.5 years) were randomly divided into two groups, Group A (28.8±4.3 years) and Group B (30.6±2.7 years). Group A (experiment group) was required to perform the simulated driving and Group B (control group) kept calm for 90min. The frequency domain indices of HRV such as low frequency (0.040.15 Hz, LF), high frequency (0.15-0.4Hz, HF), LF/HF together with the indices of hemodynamics such as blood pressure (BP) and heart rate (HR) of the subjects between both groups were calculated and analyzed after the simulated driving. There were significances of the former indices between both groups (P＜0.05). All the data collected after experiment of Group A was observed the remarkable linear correlation (P＜0.05) and parameters and errors of their linear regression equation were stated (α=0.05, P＜0.001) in this paper, respectively. The present study investigated that sympathetic activity of the subjects enhanced after the simulated driving while parasympathetic activities decreased. The sympathovagal balance was also improved. As autonomic function indictors of HRV reflected fatigue level, quantitative evaluation of driving mental fatigue from physiological reaction could be possible.关键词
driving fatigue/heart rate variability/blood pressure/heart rate/vibration/correlationKey words
driving fatigue/heart rate variability/blood pressure/heart rate/vibration/correlation引用本文复制引用
JIAO Kun,LI Zeng-yong,CHEN Ming,WANG Cheng-tao..Power Spectral Analysis of Heart Rate Variability of Driver Fatigue[J].东华大学学报（英文版）,2005,22(1):11-15,5.
