Driver’s Stress Reaction Times Features when Driving on Urban Road

Abstract

A driving simulator was set up for analyzing driver's reaction time when driving on urban road environment. 28 participate drivers were recruited for the simulated driving test, each driver's reaction perception time, decision-making time and operation time were measured and analyzed. Results show that the average perception time of experienced drivers (181.37 ms) is shorter than that of inexperienced drivers (195.62 ms). While experienced driver's decision-making time is longer than that of inexperienced drivers, but more stable. The average operation time of experienced drivers (281.85 ms) are longer than inexperienced drivers (234.3 ms). Stress Reaction Experiment Scenes. More than 10 urban road traffic scenes were designed and developed to identify the characteristics of urban traffic environment. The stress reaction time data of four scenes were selected based on the analysis of common accident data for analysis after the experiment. The adaptability of the driver was considered fully during the design process of the stress scenes to completely immerse the driver in the simulation environment. A long and stable driving process was established before danger set in. Scene 1: A child appears suddenly from the right to cross the road. Scene 2: A pedestrian suddenly appears in front of a bus just when the driver of the bus decides to overtake from the left. Scene 3: A pedestrian changes his walking direction and ends up in front of a car. Scene 4: At a crossroad under construction, another car suddenly appears from a hidden intersection. Stress Reaction Simulation System. The stress reaction simulation system of independent research and development was utilized in the experiment to collect the braking and steering data of drivers under stress. The system, which is mainly based on the driver's operational process, shows dynamic 3D traffic stress scenes at real-time. The operational data of the accelerator pedal, brake pedal and steering wheel were collected. The stress reaction simulation system consists mainly of the