Proposal of automotive 8-directional warning system that makes use of tactile apparent movement

Authors:
Atsuo Murata;Susumu Kemori;Makoto Moriwaka;Takehito Hayami
Affiliations:
Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan;Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan;Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan;Graduate School of Natural Science and Technology, Okayama University, Okayama, Japan
Venue:
DHM'13 Proceedings of the 4th International conference on Digital Human Modeling and Applications in Health, Safety, Ergonomics, and Risk Management: healthcare and safety of the environment and transport - Volume Part I
Year:
2013

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Abstract

We proposed a tactile 8-directional warning system which informs drivers of hazardous traffic situations hidden in 8 directions via tactile apparent movement. The effectiveness of the proposed warning system was compared with that of a warning system by simultaneous two-point stimulation and a system without warning. As a result, the apparent lead to quick reaction and higher hit rate (higher accuracy of hazard perception and recognition) as compared with the simultaneous two-point stimulation. However, this was limited to the front and the rear hazard, and was not true for all directions. The vibrotactile warning system that can recognize hazards from all of eight directions should be developed in future research.