Display System for Vehicle to Pedestrian Communication

Paper #:
  • 2017-01-0075

Published:
  • 2017-03-28
Citation:
Kitayama, S., Kondou, T., Ohyabu, H., Hirose, M. et al., "Display System for Vehicle to Pedestrian Communication," SAE Technical Paper 2017-01-0075, 2017, https://doi.org/10.4271/2017-01-0075.
Pages:
5
Abstract:
In the future, autonomous vehicles will be realized. It is assumed that traffic accidents will be caused by the overconfidence to the autonomous driving system and the lack of communication between the vehicle and the pedestrian. We propose that one of the solutions is a display system to give the information the state of vehicle to pedestrians. In this paper, we studied how the information influences the motion of pedestrians. The vehicle gives the information, which is displayed on road by using of color light (red, yellow and blue), of the collision risk determined by the TTC (Time to Collision). The pedestrian is ordered to cross the road in several cases of the TTC. In the presence of the TTC information, the number of the pedestrians, who did not cross the road in the case of short TTC (red light is displayed), increased from 52% to 67%. It is cleared that the pedestrians determined whether they crossed the road or not by the information effectively. We found out that the reasons why the pedestrians crossed the road in case of short TTC were “can not perceive”, “can not understand the meaning”, and “ignore”. We will investigate more effective way of display to prevent traffic accidents.
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