Tactile Perception of Objects by the User's Palm for the Development of Multi-contact Wearable Tactile Displays
Miguel Altamirano Cabrera, Juan Heredia, and Dzmitry Tsetserukou

TL;DR
This study investigates human palm sensations during object interaction to inform the development of multi-contact wearable tactile displays, providing data for more immersive virtual reality experiences.
Contribution
It introduces a novel method to measure palm sensations using FSR sensors, filling a gap in data for tactile display design.
Findings
Identified active palm areas during object contact at various forces.
Collected data to improve tactile display stimuli accuracy.
Supported development of immersive VR haptic feedback systems.
Abstract
The user's palm plays an important role in object detection and manipulation. The design of a robust multi-contact tactile display must consider the sensation and perception of of the stimulated area aiming to deliver the right stimuli at the correct location. To the best of our knowledge, there is no study to obtain the human palm data for this purpose. The objective of this work is to introduce the method to investigate the user's palm sensations during the interaction with objects. An array of fifteen Force Sensitive Resistors (FSRs) was located at the user's palm to get the area of interaction, and the normal force delivered to four different convex surfaces. Experimental results showed the active areas at the palm during the interaction with each of the surfaces at different forces. The obtained results can be applied in the development of multi-contact wearable tactile and haptic…
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