Obstacle avoidance in highly automated cars: can progressive haptic shared control make it safer and smoother? - Archive ouverte HAL
Journal Articles IEEE Transactions on Human-Machine Systems Year : 2022

Obstacle avoidance in highly automated cars: can progressive haptic shared control make it safer and smoother?

Abstract

Haptic shared control has proven to be an effective method to assist a driver in controlling a vehicle. This method is now being considered for use in developing strategies for smooth transitions between manual and autonomous driving modes. This paper has two objectives. First, it proposes to adapt an existing haptic shared control strategy to achieve transitions between manual and autonomous modes and to evaluate this approach with real drivers on a driving simulator. Second, it proposes to evaluate four different transition profiles in an obstacle avoidance context. The first profile is a gradual transition from autonomous mode to shared control mode, followed by another transition from shared control mode to autonomous mode once the obstacle is passed. The second is a gradual transition from autonomous mode to manual mode. The third is a binary transition from autonomous mode to manual mode. Finally, in the fourth condition, the driver overrides the autonomous mode. These transition profiles were evaluated in curves and straight lines on a driving simulator. The results first validated the use of the haptic shared control strategy to execute transitions between manual and autonomous modes. The distribution of the torques delivered by the automation system and the driver corresponded to the progression of the expected sharing level. Second, the gradual transitions showed advantages over binary transitions and the override of the autonomous mode, both in terms of steering performance and subjective evaluation.
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Dates and versions

hal-03631149 , version 1 (05-04-2022)

Identifiers

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Béatrice Pano, Philippe Chevrel, Fabien Claveau, Chouki Sentouh, Franck Mars. Obstacle avoidance in highly automated cars: can progressive haptic shared control make it safer and smoother?. IEEE Transactions on Human-Machine Systems, 2022, 52 (4), pp.547-556. ⟨10.1109/THMS.2022.3155370⟩. ⟨hal-03631149⟩
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