지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.6
- 수록면
- 265 - 275 (11page)
- DOI
- 10.5143/JESK.2022.41.3.265
이용수
초록· 키워드
오류제보하기
Objective: The purpose of this study is to find out how the angle of seat backrest and the number of hands in use affect the takeover reaction time, driving readiness, and driving situation awareness when performing NDRT (Non-Driving Related Task) in a conditional autonomous vehicle.
Background: Driver of an autonomous vehicle of level 3 or higher is freed from the duty of controlling and monitoring the vehicle. As a result, the driver can perform various NDRTs. When performing NDRT, the angle of the seat back that the driver wants to pose may be different. In a previous study, it was mentioned that, when the angle of seat backrest is reclined to the maximum, the takeover is affected. However, it is not known with certainty what effect the change of the seat back angle has on the takeover. A previous study found that some type of NDRTs, which restricted the driver"s hand during activity, influenced the takeover reaction time. However, it is not known with certainty what effect the number of hands in use has within the same NDRT. The study aims to know how the angle of the seat backrest and the number of hands in use for performing NDRT in a level 3 autonomous vehicle affect takeover time, driving readiness, driving situation awareness.
Method: To investigate the effect of the number of hands in use for performing NDRT and the angle of the seat backrest on the takeover, the experiment was performed using a driving simulator. The type of NDRT is classified into 4 levels, and the angle of the seat backrest is classified into 3 levels. Participants performed 12 trials randomly. In the experiment, preference for seat back angle performing NDRT was investigated, and takeover time was measured after takeover occurred. After the experiment was over, the participant responded to driving readiness, driving situation awareness, and the preference for the angle of seat backrest again.
Results: The number of hands used during NDRT and the angle of the seat back affect the driver"s takeover reaction time, driving readiness, and driving situation awareness. The higher the number of hands in use and the higher the seat back angle, the more negative the driver is.
Conclusion: When designing the driver monitoring system, it is necessary to check the physical situation of drivers performing the NDRT. Application: The results of this study can be used to make guidelines for the angle of the seat backrest and hand use behavior to maintain driver"s proper driving readiness when performing NDRT in level 3 autonomous driving. The results of this study will help to design a driver-centered autonomous vehicle cockpit based on the driver"s preference for the angle of the seat backrest.
Application: The results of this study can be used to make guidelines for the angle of the seat backrest and hand use behavior to maintain driver"s proper driving readiness when performing NDRT in level 3 autonomous driving. The results of this study will help to design a driver-centered autonomous vehicle cockpit based on the driver"s preference for the angle of the seat backrest.
Background: Driver of an autonomous vehicle of level 3 or higher is freed from the duty of controlling and monitoring the vehicle. As a result, the driver can perform various NDRTs. When performing NDRT, the angle of the seat back that the driver wants to pose may be different. In a previous study, it was mentioned that, when the angle of seat backrest is reclined to the maximum, the takeover is affected. However, it is not known with certainty what effect the change of the seat back angle has on the takeover. A previous study found that some type of NDRTs, which restricted the driver"s hand during activity, influenced the takeover reaction time. However, it is not known with certainty what effect the number of hands in use has within the same NDRT. The study aims to know how the angle of the seat backrest and the number of hands in use for performing NDRT in a level 3 autonomous vehicle affect takeover time, driving readiness, driving situation awareness.
Method: To investigate the effect of the number of hands in use for performing NDRT and the angle of the seat backrest on the takeover, the experiment was performed using a driving simulator. The type of NDRT is classified into 4 levels, and the angle of the seat backrest is classified into 3 levels. Participants performed 12 trials randomly. In the experiment, preference for seat back angle performing NDRT was investigated, and takeover time was measured after takeover occurred. After the experiment was over, the participant responded to driving readiness, driving situation awareness, and the preference for the angle of seat backrest again.
Results: The number of hands used during NDRT and the angle of the seat back affect the driver"s takeover reaction time, driving readiness, and driving situation awareness. The higher the number of hands in use and the higher the seat back angle, the more negative the driver is.
Conclusion: When designing the driver monitoring system, it is necessary to check the physical situation of drivers performing the NDRT. Application: The results of this study can be used to make guidelines for the angle of the seat backrest and hand use behavior to maintain driver"s proper driving readiness when performing NDRT in level 3 autonomous driving. The results of this study will help to design a driver-centered autonomous vehicle cockpit based on the driver"s preference for the angle of the seat backrest.
Application: The results of this study can be used to make guidelines for the angle of the seat backrest and hand use behavior to maintain driver"s proper driving readiness when performing NDRT in level 3 autonomous driving. The results of this study will help to design a driver-centered autonomous vehicle cockpit based on the driver"s preference for the angle of the seat backrest.
목차
1. Introduction
2. Method
3. Results
4. Discussion
5. Conclusion
References
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