Abstract
Traffic accidents continue to increase in Korea as traffic increases, and the resulting loss of life is also on the rise. According to data surveyed by the South Korean National Police Agency, 45,921 pedestrian traffic accidents were reported in 2019, resulting in 1487 deaths and 46,400 injuries. Due to the increased interest in traffic accident safety, the Advanced Driver Assistance System (ADAS) concept is rapidly developing and playing a significant role in coping with activities that are not recognized by the driver. Autonomous Emergency Braking (AEB), a representative ADAS system, is a system that is useful for preventing and mitigating accidents by braking vehicles in emergencies. For the study of AEBs’ safety evaluation methods for pedestrians, a distance measurement method using a monocular camera with excellent accessibility, and measurement equipment required to validate data on the movement of vehicles, and a dummy to replace pedestrians are used. Based on the evaluation scenario considering the proposed Korea road environment, the relative distance obtained from equipment like DGPS and the relative distance using a monocular camera is compared and analyzed to verify safety. Comparative analysis shows that the minimum deviation is 2.3 cm, the third test result of 30 km/h of Car-to-Pedestrian Nearside Child (CPNC), and the maximum deviation is 25 cm, the first test result of 25 km/h of Car-to-Pedestrian Nearside Adult (CPNA). The main factor in error generation is that the lane recognition in the camera image is not accurate, and the perception of small children is slow, which is why emergency braking is considered to have been slow. It is deemed that a safety assessment in weather conditions of adverse conditions will be required in the future.
Highlights
As the volume of domestic traffic increases, traffic accidents continue to increase, leading to increased casualties
car-to-pedestrian farside child (CPFC) was calculated from a minimum of 148 cm to a maximum of 237 cm, and Car-to-Pedestrian Nearside Child (CPNC) was calculated from a minimum of 51 cm to a maximum of cm
The results of the test for speed, acceleration, and relative distance for Car-to-Pedestrian Nearside Adult (CPNA) conducted at the vehicle-road link test intersection of the Korea Intelligent Automobile Parts Promotion Institute (KIAPI) were shown in Figure 11, CPFC is shown in Figure 12, CPNA is shown in Figure 13, respectively
Summary
As the volume of domestic traffic increases, traffic accidents continue to increase, leading to increased casualties. According to data surveyed in 2019 by the Korea National Police Agency, the death rate due to traffic accidents has been decreasing every year as of 1991, but the number of injuries continues to increase. A total of 45,921 pedestrian traffic accidents were reported in 2019, with 1487 deaths and 46,400 injuries. Children under the age of 13 were very vulnerable to traffic accidents, with 34 deaths, and 12,543 injuries [1]. Safety concerns are increasing due to traffic accidents. As a way to solve this problem, the Advanced Driver Assistance System (ADAS) concept, which helps vehicles prevent or mitigate accidents and reduces drivers’ fatigue by responding to incidents that the driver does not recognize, is developing rapidly and at the same time playing an important role
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