Experiment Design for Measuring Driver Reaction Time in Driving Situation

Generally, inattentive driving is driving while in a state where attention has been weakened by a psychological factor. As a result, either the driver does not realize this condition or realization is delayed. In order to evaluate inattentive driving, the authors constructed a neural network-based NARX model for each driver using operation signals of neutral driving without secondary tasks and inattentive driving without secondary tasks and made the difference between the neutral driving and inattentive driving clear. However, the influence of the secondary task for inattentive driving is different for different drivers. Therefore, the problem is how to examine drivers' characteristics. In this study, in order to examine drivers' characteristics, we designed an experiment to measure a driver's reaction time, which is an important driver characteristic, by using a driving simulator, and obtained encouraging results.