Transitioning back from SAE-L3 autonomy – comparing traded and shared control

@inproceedings{VanDintel2020,
title = {Transitioning back from SAE-L3 autonomy – comparing traded and shared control},
author = {K. M. Van Dintel and S. M. Petermeijer and E. J. H. De Vries and D. A. Abbink},
editor = {Andras Kemeny and Jean-Rémy Chardonnet and Florent Colombet},
year  = {2020},
date = {2020-09-09},
booktitle = {Proceedings of the Driving Simulation Conference 2020 Europe VR},
pages = {75-82},
address = {Antibes, France},
organization = {Driving Simulation Association},
abstract = {The arrival of highly automated vehicles introduces a new interaction between the vehicle and driver. System limitations during highly automated driving require the driver to be ready to take back control at request. Previous studies on the take-over process concluded that the driver requires a transition period to stabilize vehicle control after resuming manual control. These studies used traded control to instantaneously transfer control back to the driver, causing an abrupt switch in control authority. This study explores Haptic Shared Control as a potential approach to mitigate these stabilization issues, and assist the driver to make a lane change. We expected that Haptic Shared Control improves the take-over performance compared to the traded control approach. A total of 30 participants drove two trials in a driving simulator, one for each transition approach. Each trial consisted of 10 takeover scenarios, where driver had to avoid a stationary car in the lane ahead. The take-over scenarios had either a time-to-collision (TTC) of 5 or 7 seconds. During autonomous driving the participants were engaged in a non-driving related task. The take-over performance was assessed based on safety margins, steering wheel input, and subjective measures. Results showed that with the HSC approach drivers adopted larger safety margins in longitudinal direction, but smaller margins in lateral direction. The HSC approach yielded lower steering wheel velocities. The subjective measures did not yield any significant differences. These results suggests that haptic shared control can assist the driver in stabilizing lateral vehicle control after resuming manual control. On the other hand, HSC seems to slightly hinder the driver to execute her/his preferred trajectory. Future research should focus on designing an adaptable human compatible reference in order to mitigate conflicts during take-over scenarios.},
keywords = {autonomous driving, control transitions, driving simulator, haptic shared control},
}

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TY  - CONF
TI  - Transitioning back from SAE-L3 autonomy – comparing traded and shared control
AU  - Dintel, K. M. Van
AU  - Petermeijer, S. M. 
AU  - Vries, E. J. H. De
AU  - Abbink, D. A. 
C1  - Antibes, France
C3  - Proceedings of the Driving Simulation Conference 2020 Europe VR
DA  - 2020/09/09
PY  - 2020
SP  - 75
EP  - 82
LA  - en-US
PB  - Driving Simulation Association
L2  - https://proceedings.driving-simulation.org/proceeding/dsc-2020/transitioning-back-from-sae-l3-autonomy-comparing-traded-and-shared-control
ER  - 

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