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Communicating Intent of Automated Vehicles to Pedestrians
Azra Habibovic1, Victor Malmsten Lundgren1, Jonas Andersson1
1RISE Research Institutes of Sweden, Gothenburg, Sweden.
Frontiers in Psychology
|August 23, 2018
Summary
Pedestrians felt safer with automated vehicles (AVs) using an external interface communicating intent. This automated vehicle interaction principle (AVIP) interface may improve AV acceptance by enhancing pedestrian safety and experience.
Area of Science:
- Human-computer interaction
- Robotics
- Transportation engineering
Background:
- Traditional road interactions rely on non-verbal cues between drivers and pedestrians.
- Automated vehicles (AVs) eliminate these cues, posing challenges for pedestrian safety.
- External interfaces are needed for AVs to communicate intent to pedestrians.
Purpose of the Study:
- To design and evaluate an external interface for AVs to communicate intent to pedestrians.
- To assess the impact of this interface on pedestrian perception of safety and experience.
- To explore future pedestrian-AV interactions.
Main Methods:
- Development of the automated vehicle interaction principle (AVIP) interface.
- Two experiments using a Wizard of Oz approach to simulate AVs.
- Pedestrian interaction studies at a zebra crossing and a parking lot.
Main Results:
- The AVIP interface was easy for pedestrians to interpret.
- Pedestrians felt significantly less safe with AVs lacking the interface.
- The interface improved perceived safety compared to conventional vehicles and AVs without the interface.
Conclusions:
- The AVIP interface can enhance pedestrian safety and positive experiences with AVs.
- External communication interfaces are crucial for the acceptance of autonomous vehicles.
- Further research with larger samples and dynamic conditions is recommended.
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