Abstract
The object of research is the process of the driver’s labor activity on city roads in the city’s transport system during the transportation of goods and passengers. The influence of traffic congestion on the functional state of a sanguine driver is studied, which is one of the most common types of temperament. The main hypothesis of the study is that the level of driver fatigue in traffic congestion, which affects the driver’s reaction time and road safety, depends on the driver’s condition and traffic congestion parameters. The driver’s fatigue level is determined based on the concept of the cardiovascular system, as an indicator of the adaptive and adaptive activity of the body by measuring the electrocardiogram. In this case, the unevenness of the cardio intervals is analyzed, which is a universal response to any kind of load. Fatigue level is calculated in arbitrary units according to a special algorithm that takes into account statistical indicators, histogram indicators and data of spectral analysis of cardio intervals. Using a non-linear model of changing the functional state of a sanguine driver, the patterns of changes in the fatigue level under various conditions of stay in traffic congestion are obtained. It is revealed that the most significant factor that affects the final level of driver fatigue in traffic congestion is its initial value before traffic congestion. The second most important parameter affecting the change in the fatigue level of the sanguine driver is the duration of traffic congestion, which affects the initial function only together with the initial fatigue level. The influence of the age of the sanguine driver on the fatigue level in the traffic congestion is manifested to a lesser extent. However, the conditions of stay in traffic congestion most noticeably affect older drivers (sixty or more years) compared with young drivers of twenty years. Analysis of the research results shows that traffic congestions lasting more than twelve minutes lead to a significant increase in the fatigue level of a sanguine driver. This may increase the likelihood of a traffic accident. The trends in the fatigue level of sanguine driver in traffic congestions identified during the study allow to predict the driver’s behavior after exiting a traffic congestion and evaluate possible patterns of road traffic development that directly affect road safety.
Highlights
Outpacing the growth rate of the level of motorization compared with the development of the street-road network of modern cities lead to the formation of queues and congestion at intersections and sections of roads
The main results of the research are to determine the patterns of influence of traffic congestion parameters on a change in the functional state of a sanguine driver and on the final fatigue level in traffic congestion
It has been established that if the condition of the sanguine driver of any age in front of the traffic congestion is normal, further stay in the traffic congestion leads to deterioration in its functional state
Summary
Outpacing the growth rate of the level of motorization compared with the development of the street-road network of modern cities lead to the formation of queues and congestion at intersections and sections of roads. In [3], the effect of traffic congestion on the psycho-vegetative status of public transport drivers is analyzed, taking into account the age and length of service These studies are conducted using questionnaires by means of a survey. In all the other works mentioned, the effect of traffic congestions on the level of driver fatigue is not investigated. In [7, 8] methods of dealing with traffic congestions are proposed They do not study the issues of changing the state of drivers. How traffic congestions affect the driver’s condition and its fatigue level are not considered. The study of changes in the fatigue level of a sanguine driver in traffic congestions is relevant. The aim of research is determination of the patterns of change in the fatigue level of a sanguine driver in traffic congestions
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