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Afficheurs cylindriques à changement de forme : application à la physicalisation des données et l'interaction périphérique pour la maîtrise de l'énergie

Abstract : In the middle of public and collective spaces, cylindrical displays inform users around them.We question the utility and the usability of dynamic revolution symmetry for shape-changing cylindrical displays. We present CairnFORM, a prototype of cylindrical display that can change its revolution symmetry using a modular stack of expandable illuminated rings.We show that revolution symmetry is usable for informing users through data physicalization: We observe with a 10-ring CairnFORM that a physical ring chart is more efficient for a range task and for a compare task rather than for an order task. We show that revolution symmetry change is usable for unobtrusively notifying users through peripheral interaction: We observe with a 1-ring CairnFORM that a ring diameter change with exponential speed is perceived more often and calmer in the periphery of attention rather than with a constant speed or a logarithmic speed.We show that cylindrical displays with dynamic revolution symmetry offer a greater user experience over time than planar displays: After two months in context of use in a workplace, we observe that CairnFORM is as pragmatic as a flat screen but more hedonic than a flat screen. We study a use case for displays in the workplace: Helping employees to shift laptop battery charge to peak hours of local renewable energy production.
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Maxime Daniel. Afficheurs cylindriques à changement de forme : application à la physicalisation des données et l'interaction périphérique pour la maîtrise de l'énergie. Interface homme-machine [cs.HC]. Université de Bordeaux, 2018. Français. ⟨NNT : 2018BORD0236⟩. ⟨tel-02371620⟩

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