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공일 어린이 보행자 타겟의 옷 색상 변화에 따른 AEB 작동유무 검증
최문주(Moonjoo Choi),박상협(Sanghyeop Park),최형수(Hyeongsu Choi),김태형(Taehyoung Kim),이태희(Taehee Lee) 한국자동차공학회 2023 한국자동차공학회 부문종합 학술대회 Vol.2023 No.5
AEB and FCW has a certain function which could warn or intervene with break if a crash is expected by sensing objects on the road with camera, radar, rider, etc. In EuroNCAP, assessment protocol of this test is renewing. However, there have been suspicious malfunctioning accidents of automobiles, which were already certified on AEB, FCW capability verification assessment. A structure and shape of the standard dummy for car-to-person is specifically defined in ISO regulation, however, its clothes and condition are defined roughly. Therefore, there could be differences in detection levels depending on the color of an object and reflection condition as an object acknowledgement method with a camera is mainly used. To see detection level depending on the color of the dummy’s clothes, a camera was installed in front of the car and the background and object were set as binary-coded applying critical point. The movement traits of FCW and AEB depending on additional colors of the standard dummy besides the general colors were analyzed. Through this research, relations between the color of the dummy’s clothes and detection level in FCW and AEB capability were found.
실차 테스트를 통한 ACC 기능의 추종 민감도에 따른 응답시간의 선형성에 대한 연구
박상협(Sanghyeop Park),최문주(Moonjoo Choi),최형수(Hyeongsu Choi),박지수(Ji-soo Park),이태희(Tae-hee Lee) 한국자동차공학회 2019 한국자동차공학회 학술대회 및 전시회 Vol.2019 No.11
In this paper, we study the response time according to the sensitivity of ACC function in automated driving technology. Research is actively conducted to get confidence in autonomous driving of passengers. In order to reduce the rider’s concern about automated driving technology, it is necessary to show a linear relationship according to the setting mode. Accordingly, the scenario selected cut-in and cut-out scenarios to reflect the situation in which the driver may feel anxious. In addition, vehicle tests were conducted on the responsive mode and distance level that the driver can set. Experimental results show the nonlinear relationship of the follow-up response with sensitivity as a result of measuring the delay time of the response time.