OmniFiber: Integrated Fluidic Fiber Actuators for Weaving Movement based Interactions into the ‘Fabric of Everyday Life’

Afsar, Ozgun Kilic; Shtarbanov, Ali; Mor, Hila; Nakagaki, Ken; Forman, Jack; Modrei, Karen; Jeong, Seung Hee; Hjort, Klas; Höök, Kristina; Ishii, Hiroshi

doi:10.1145/3472749.3474802

Cited by 55 publications

(23 citation statements)

References 62 publications

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“…The low-volume actuators used in our prototype, also allowed for relatively fast pressure modulations, even when using the minimal-parts, low-cost control system, but only allowed for two distinct pressure levels (high and low). All three control system types can also be used with a variety of other textile actuator shapes and appear suitable to generate changes in texture or stiffness for basic data physicalization [13,39], to provide active feedback to the user's body [3,10], and to restrict or support physical movement [14] in wearables with application specific actuator designs. The industrial solenoid control system can also actuate larger, body-sized actuators.…”

Section: Discussion and Outlookmentioning

confidence: 99%

“…the following works: tactile cues with fingertip-mounted actuators [5,16,32], haptic armbands [11,23,28], soft buttons with pneumotactile feedback [8,35], a haptic jacket [3], physical touch to augment phone calls [25], headmounted tactile actuators for VR-interactions [10], and others. This overview is kept short for brevity, a variety [1] of further notable research in this area exists [9,14,21,31,35,[38][39][40] and updated overviews are provided in [2,29]. Various methods for the fabrication of robust textile pneumatic air-chambers have also been proposed [7,16,22,30,33].…”

Section: Related Workmentioning

confidence: 99%

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AirPinch – An Inflatable Touch Fader with Pneumatic Tactile Feedback

Gohlke

Sattler

Hornecker

2022

Sixteenth International Conference on Tangible, Embedded, and Embodied Interaction

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This paper gives an overview of our work-in-progress prototype of a textile-pneumatic force-feedback system that augments the user-interaction on touch-sensor strips with interactive tactile cues. Air-pressure inside a shape-changing textile actuator is dynamically modulated, to create a perceivable pinch-like impression at the user's fingertip. This dynamic pneumotactile pinch can be leveraged as a tangible output modality for interaction design. The soft actuators are driven by a pneumatic control system that adjusts the pneumatic pressure in response to the finger position. We have explored different textile air-chamber layouts to achieve tactile feedback and provide a preliminary discussion of their tactile capabilities and design patterns. We further give a brief overview of three different pneumatic control system architectures and their underlying tactile pressure profiles used to operate the actuators to create different types of tactile sensations. A preliminary discussion of the capabilities, challenges, and limitations of our system is also provided.

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Section: Discussion and Outlookmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

AirPinch – An Inflatable Touch Fader with Pneumatic Tactile Feedback

Gohlke

Sattler

Hornecker

2022

Sixteenth International Conference on Tangible, Embedded, and Embodied Interaction

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“…Multiple technologies have been proposed in augmenting textiles with shape change, such as SMAs [6,8], hydrogels [32], and pneumatic actuation [19,42,43]. Many of the proposed technologies have shown to lack reversible movement, precise control over temporal qualities, and difficulty in manufacturability, accessibility, and reproducibility.…”

Section: Opportunities Through Pneumaticsmentioning

confidence: 99%

“…In a future version of the toolkit, we intend to replace the pneumatic actuators with a type of actuation that is more integrated in the textile (e.g. Omnifiber [19]) to leverage textile qualities in shape change behavior of such interfaces. Additionally, woven cotton fabric was selected based on its compatibility with 3D printing material TPU, yet the influence of the fabric type on the expressive and temporal qualities of the shape change remains to be explored in future research.…”

Section: Deflate Inflatementioning

confidence: 99%

“…Textiles are increasingly used in design and HCI as an active media to expand the possibilities introduced by ubiquitous and wearable computing [21,39] when combined with sensors and actuators [10,13,14,22] and smart materials [2,19,25]. For example, designers have augmented textiles with computation to serve as a support layer for graphical interactive elements on garments [16,24] or in home furniture [4].…”

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confidence: 99%

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TEX(alive): A TOOLKIT TO EXPLORE TEMPORAL EXPRESSIONS IN SHAPE-CHANGING TEXTILE INTERFACES

Castro

Buso

et al. 2022

Designing Interactive Systems Conference

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Shape-changing textile interfaces have the potential to create unique functions, expressions, and interactions in everyday artifacts. However, the technical expertise required to fabricate and interact with these interfaces limits designers from rapidly iterating through diverse textile expressions. This pictorial presents TEX(alive), a low-cost and open-source physical-digital toolkit to facilitate the creation of temporal expressions in textile interfaces. TEX(alive) comprises pneumatic actuators that can be interactively configured across a 3d printed grid structure on the textile. Creative sessions with seven designers show that TEX(alive) supports the exploration of temporality in textile interfaces, opening up a design space for unforeseen future application scenarios and alivelike expressions in material-driven design. Finally, we suggest coupling TEX(alive) with a computational simulation tool to allow designers to predict spatial shape change when the textile interface increases in size or complexity.

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Computer‐Aided Engineering of Stretchable Hollow Fibers to Enable Wearable Microfluidics

Hossain

Khan

2023

Adv Materials Technologies

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Melt‐extruded hollow thermoplastic fibers are a new class of materials for advanced applications, i.e., robotic clothes, stretchable touch and twist sensors, and programmable knitted textiles. Under large mechanical deformation (strain), such materials exhibit hyperelasticity. However, fundamental knowledge of strain‐energy density harnessing integrated computational materials engineering (ICME) has remained untapped for hollow fibers. Due to this key knowledge gap, most emerging applications demand iterative and costly approaches to producing and studying hollow fibers. Herein, a data‐driven pathway harnessing the ICME is introduced to study, predict, and optimize the hyperelastic behavior of hollow fibers. MCalibration software is used to calibrate the material properties of the fibers utilizing the Three‐Network Model (TNM) and emulated experimental stress–strain behavior in a finite‐element‐based multiphysics environment (COMSOL) with 99.99% confidence. The feasibility of predicting strain‐energy density is shown to modulate shape and geometries for new understandings without running cost‐incurring melt extrusions or experiments. Furthermore, the strain‐energy density is leveraged as a tool to attach fibers on fabrics that otherwise need iterations. As a proof‐of‐concept, fibers to fabrics are attached for wearable microfluidic demonstrations. This ICME approach can be extended to design the next generation of pre‐programmed, undiscovered functional devices fabricated from hyperelastic hollow fibers.

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OmniFiber: Integrated Fluidic Fiber Actuators for Weaving Movement based Interactions into the ‘Fabric of Everyday Life’

Cited by 55 publications

References 62 publications

AirPinch – An Inflatable Touch Fader with Pneumatic Tactile Feedback

AirPinch – An Inflatable Touch Fader with Pneumatic Tactile Feedback

TEX(alive): A TOOLKIT TO EXPLORE TEMPORAL EXPRESSIONS IN SHAPE-CHANGING TEXTILE INTERFACES

Computer‐Aided Engineering of Stretchable Hollow Fibers to Enable Wearable Microfluidics

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