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Open AccessArticle

Active and Passive Haptic Perception of Shape: Passive Haptics Can Support Navigation

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Facultad de Ingeniería, Universidad Panamericana, Aguascalientes 20290, Mexico
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Facultad de Ingeniería, Universidad Panamericana, Zapopan 45010, Mexico
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Instituto Tecnológico de Tuxtla Gutiérrez, Tecnológico Nacional de México, Tuxtla Gutiérrez 29050, Mexico
*
Author to whom correspondence should be addressed.
Electronics 2019, 8(3), 355; https://doi.org/10.3390/electronics8030355
Received: 19 February 2019 / Revised: 13 March 2019 / Accepted: 19 March 2019 / Published: 23 March 2019
(This article belongs to the Section Systems & Control Engineering)
Real-time haptic interactions occur under two exploration modes: active and passive. In this paper, we present a series of experiments that evaluate the main perceptual characteristics of both exploration modes. In particular, we focus on haptic shape recognition as it represents a fundamental task in many applications using haptic environments. The results of four experiments conducted with a group of 10 voluntary subjects show that the differences in motor activity between active and passive haptics ease the perception of surfaces for the first case and the perception of pathways for the latter. In addition, the guidance nature of passive haptics makes the pathway direction easy to recognize. This work shows that this last observation could find application in more challenging tasks such as navigation in space. View Full-Text
Keywords: haptic exploration; active haptics; passive haptics; kinesthetic feedback; shape perception; pathway perception; navigation assistance. haptic exploration; active haptics; passive haptics; kinesthetic feedback; shape perception; pathway perception; navigation assistance.
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Rodríguez, J.-L.; Velázquez, R.; Del-Valle-Soto, C.; Gutiérrez, S.; Varona, J.; Enríquez-Zarate, J. Active and Passive Haptic Perception of Shape: Passive Haptics Can Support Navigation. Electronics 2019, 8, 355.

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