Vol 6, No 6 (2015) > Industrial Engineering >

Fatigue Measurement of Driving Activity on Male Motorcycle Drivers based on Cognitive, Physiological, and Subjective Approaches

Erlinda Muslim, Boy Nurtjahyo Moch, Maya Arlini Puspasari, Raja Alfredo Siregar

 

Abstract: Driver
fatigue is one of the major causes of serious road accidents. The purpose of
this research is to measure the effect of cognitive, physiological, and
subjective approaches towards fatigue, while driving a motorcycle for 2 hours. Another objective of this
research is to determine the differences in the level of fatigue in the studied
age category. In this
study, there were two
age categories, namely the productive
age category (16-35 years old) and the adult age category (35-60 years old). This research implemented three approaches:  cognitive, physiological, and subjective. In the cognitive approach, levels of concentration and stress (tension)
were measured by using Design
Tools, such as Simple
Reaction Time and Stroop Test. In the physiological
approach, two measurements were taken:
measurement of heart rate using Polar Heart Rate and measurement of blood
pressure (systole and diastole) using the Omron Blood Pressure test.
Meanwhile, the subjective approach was calculated using the
9-scale Karolinska Sleepiness Scale (KSS). Also, the correlation between the
subjective approach and two other approaches (cognitive and physiological) used the Spearman-Rank test. Results obtained from this study on the
influence of heart rate on the level of fatigue are significantly found in both age categories (productive and adult age
category). Meanwhile, the significance (influence) of blood pressure on the level
of fatigue is found only in the adult
age category. Simple Reaction Time measurement results were found to be significant
on the level of fatigue in the adult
age category. Thus, it can be said that in the adult age category, there
is a
significant
influence between the level of fatigue and concentration level.
Keywords: Cognitive; Fatigue, KSS; Motorcycle driver; Psychophysical; Subjective

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