ShArc: A Geometric Technique for Multi-Bend/Shape Sensing

Understanding How to Support Remote Co-Design with a Conceptual Modular Shape-Changing Interface Toolkit

“…The form factors of the strips are built based on the dimensionality, capability, and limitations of the existing technologies of NURBSforms [18]. Furthermore, we considered the self-shape sensing features that have been demonstrated in FlexiBend [1] and ShArc [16] to be integrated into each strip. Together we illustrate the use case and the workflow according to the capability and limitations of the described in NURBSforms.…”

“…In this paper, we envision the integration of NURBSforms [18], modular constructive assembly of strip actuators, and the existed self-shape sensing technologies [1,16] as the means to establish a mutually understandable prototype in remote collaboration. NURB-Sforms are effective in variable curve modeling through a modular shape-changing interface.…”

MyoSpring: 3D Printing Mechanomyographic Sensors for Subtle Finger Gesture Recognition

“…Due to the ubiquitous nature of wearable devices, researchers have focused on building finger gesture recognition systems with familiar form factors such as wrist bands or bracelets [44,47], data gloves [4,54], smart rings [71,72], other finger-worn devices [59] and wearable skins [49]. Recently, more focus has been directed towards increasingly comfortable and non-obtrusive devices worn on the wrist or forearm, incorporating sensing technologies such as optical sensing [40], ultrasound [34,80], electrical impedance [65,82], electromyography (EMG) [47] and mechanomyography (MMG) [16,44].…”

The Influence of Flexural Stiffness on the Performance and Preference of Bendable Stylus Interfaces

“…ShArc, developed by Shahmiri and Dietz, developed a bend sensor capable of accurately measuring multiple bends along its length producing a shape or curve [49]. They achieve this by measuring the relative shift between two coherent electrodes from the bottom and top layers.…”

“…They found that the hardness levels greater than 30A were significantly more difficult to perform bend gestures with. Our initial Thermoplastic Urethane (TPU) prototypes had a shore hardness level of 95A while our Elastic Polymer prototypes had a level of 50A being much softer material.Shahmiri and Dietz developed ShArc, a bend or shape sensor capable of accurately measuring multiple bends along its length[49]. They achieve this by measuring the relative shift between two coherent electrodes from the bottom and top layers.…”