We propose a classification method of tactile sensations elicited by artificial haptic stimuli by using Japanese onomatopoeias/adjectives. This method classifies adjectives based on user subjective perception and plot basic components of artificial haptic stimuli. The comparison of perceived tactile sensations from artificial haptic stimuli and genuine physical materials is also discussed in this paper.
In this study, we have developed a wearable haptic vest that can display sophisticated haptic feedback patterns. Our proposed haptic vest consists of 60 vibrotactile actuators that have direct contact to torso area. In addition, we have developed 34 haptic stimuli and conducted user testing to measure the effectiveness of our proposed haptic display method.
Keywords-wearable computing; haptic display; human computer interactionI.
We propose an alternative way to display haptic feedback in ubiquitous computing. We develop a haptic vest that can display detailed haptic feedbacks by utilizing 5x12 arrays of vibrotactile actuators. We conducted a preliminary user testing on 34 stimuli (with four different directions) to measure the effectiveness of various vibrotactile patterns. We have discovered that each stimulus within a given direction has different properties in terms of their apprehensibility and comfort.
We propose a novel heuristic model of vibrotactile feedbacks elicitation. The model is based on two known tactile elicitation principles, i.e. perceived tactile sensation and apparent haptic motion. Our previous studies, along with empirical reviews were used to provide an insight of how these two principles work individually. Our preceding works on the mapping of texture phase diagram of artificial vibrotactile stimuli reveals 3 main perceived vibrotactile sensation, i.e. dampness, friction, and hardness. Furthermore, we have conducted a preliminary research to observe apparent haptic motion in our proposed haptic vest interface. Our findings and the empirical reviews imply that these two haptic principles can be used concurrently to create a novel user experience.
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