Priming Drivers before Handover in Semi-autonomous Cars
summary
A driving-simulator study with eye tracking and dual phone tasks (video transcription and calendar) tests 20‑second pre‑alerts versus no pre‑alert, comparing a patterned repeated burst and an increasing pulse. Each participant runs about six trials with two critical events per trial. Pre‑alerts cause earlier road glances, faster task disengagement (increasing pulse earliest), and quicker speed reduction after handover, improving safety; user opinions split on annoyance.
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chapters (12)
- 0:00Introduction to research
- 1:12Autonomous driving levels
- 2:41Pre-alert concept and timing
- 3:24Driving simulator study setup
- 4:23Pre-alert alarm types
- 6:12Secondary task distractions
- 7:18Driver attention before handover
- 8:42Task disengagement timing
- 9:23Speed reduction after handover
- 10:04User feedback on alerts
- 11:33Implications and future work
- 13:09Acknowledgments and Q&A
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