Abstract

Thousands of lives are lost in traffic accidents every year, and most traffic accidents are caused by driver errors. Causes and impairments such as fatigue, inattentiveness, alcohol usage, stress, and drugs are the main factors of these accidents. When a driver is subject to changing and complicated driving tasks in traffic, he or she should be able to assure driving authority to prevent potential hazards and accidents. In this context, the purpose of this study is to determine the stress level of the driver when driving in urban traffic in such situations requiring delegation of driving authority. Thus, the work combines stress questionnaire and galvanic skin response sensor to validate results and fuses with a force-sensing resistor. In this study, a prototype electric vehicle is equipped with sensors providing various drivers’ data including the responses of a force-sensing resistor sensor while galvanic skin is being collected on a specified route. At the end of the trip, the stress level of the drivers is determined by the collected data. Results indicate that the galvanic skin sensor stress results are consistent with the results of the survey with an average accuracy of 87.5%. The force-sensing resistor sensor is only used to determine gender stress. And the force-sensing resistor sensor gender-stress results are consistent with results of the survey with an accuracy of 100%. These results are used to validate the results of post-driving stress survey evaluated by SPSS 23.0 windows statistics software. Data analysis is particularly focused on demographic properties of participators, factor analysis, reliability tests, correlation, T-test, and one-way analysis of variance.

Highlights

  • The global status report on road safety in 2015, reflecting information from 180 countries, indicates that 1.25 million people die worldwide each year due to traffic accidents.[1]

  • The proposed concept of study consists of post-drive stress survey, galvanic skin response (GSR) sensor data, and force-sensing resistor (FSR) sensor data to determine the stress level of drivers

  • The prototype electric car is equipped with sensors to collect data on the specified route

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Summary

Introduction

The global status report on road safety in 2015, reflecting information from 180 countries, indicates that 1.25 million people die worldwide each year due to traffic accidents.[1] According to the current data of the Turkish Statistical Institute, in the road network of Turkey, 1,229,364 traffic accidents occurred during the year 2018. Among all those 1,229,364 accidents resulted in collision damage, 186,532 resulted in human death or injury.

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