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Article Dans Une Revue Sensors Année : 2024

Planning Socially Expressive Mobile Robot Trajectories

Résumé

Many mobile robotics applications require robots to navigate around humans who may interpret the robot’s motion in terms of social attitudes and intentions. It is essential to understand which aspects of the robot’s motion are related to such perceptions so that we may design appropriate navigation algorithms. Current works in social navigation tend to strive towards a single ideal style of motion defined with respect to concepts such as comfort, naturalness, or legibility. These algorithms cannot be configured to alter trajectory features to control the social interpretations made by humans. In this work, we firstly present logistic regression models based on perception experiments linking human perceptions to a corpus of linear velocity profiles, establishing that various trajectory features impact human social perception of the robot. Secondly, we formulate a trajectory planning problem in the form of a constrained optimization, using novel constraints that can be selectively applied to shape the trajectory such that it generates the desired social perception. We demonstrate the ability of the proposed algorithm to accurately change each of the features of the generated trajectories based on the selected constraints, enabling subtle variations in the robot’s motion to be consistently applied. By controlling the trajectories to induce different social perceptions, we provide a tool to better tailor the robot’s actions to its role and deployment context to enhance acceptability.
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hal-04616294 , version 1 (18-06-2024)

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Philip Scales, Olivier Aycard, Véronique Aubergé. Planning Socially Expressive Mobile Robot Trajectories. Sensors, 2024, Special Issue Applications of Intelligent Robots: Sensing, Interaction, Navigation and Control Systems), 24 (11), pp.3533. ⟨10.3390/s24113533⟩. ⟨hal-04616294⟩
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