System of control of the status «performance – sleep – tension» of drivers of vehicles based on the electric signal analysis

Abstract

This paper presents a study of heart rate variability indicators based on a phase-frequency analysis of an electrocardiogram. As part of the task of diagnosing the state of drowsiness and stress of vehicle drivers, a method for determining the level of wakefulness is described. We studied electrocardiograms with deviations of the heart rate from the normal signals. Examples of the analyzed signals, their parameters, as well as analysis results are given. Based on the obtained data, it is planned to build a multi-threshold analysis system.

Keywords

• phase-frequency spectrum
• amplitude-frequency spectrum
• fast fourier transform
• electrocardiogram
• arrhythmia
• cardiointervalogram
• decision threshold
• error decision probability
• lf / hf ratio
• heart rate variability