Tactile Displays for Increased Spatial and Temporal Bandwidth in Haptic Feedback
We are investigating tactile feedback modalities designed to convey high frequency vibratory information and small-scale object shape. Vibrotactile feedback systems transmit information about textures and events like contact and slip that reveal the mechanical state of the remote environment. Shape display devices consist of regular arrays of pin elements that rest against the user’s finger tip. Each pin is raised and lowered to approximate the desired surface shape on the skin. Experiments with prototype tactile feedback systems help improve our understanding of human tactile information requirements and to determine the relationship between task characteristics and the benefits of tactile feedback.
KeywordsVirtual Environment Shape Memory Alloy Force Feedback Tactile Feedback Shape Memory Alloy Wire
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