ANISMA: A Prototyping Toolkit to Explore Haptic Skin Deformation Applications Using Shape-Memory Alloys

Author:

Messerschmidt Moritz Alexander1ORCID,Muthukumarana Sachith1,Hamdan Nur Al-Huda2,Wagner Adrian2,Zhang Haimo1,Borchers Jan2,Nanayakkara Suranga Chandima1

Affiliation:

1. Augmented Human Lab, Auckland Bioengineering Institute, The University of Auckland, Auckland, New Zealand

2. Media Computing Group, Computer Science Department, RWTH Aachen University, Aachen, Germany

Abstract

We present ANISMA, a software and hardware toolkit to prototype on-skin haptic devices that generate skin deformation stimuli like pressure, stretch, and motion using shape-memory alloys (SMAs). Our toolkit embeds expert knowledge that makes SMA spring actuators more accessible to human–computer interaction (HCI) researchers. Using our software tool, users can design different actuator layouts, program their spatio-temporal actuation and preview the resulting deformation behavior to verify a design at an early stage. Our toolkit allows exporting the actuator layout and 3D printing it directly on skin adhesive. To test different actuation sequences on the skin, a user can connect the SMA actuators to our customized driver board and reprogram them using our visual programming interface. We report a technical analysis, verify the perceptibility of essential ANISMA skin deformation devices with 8 participants, and evaluate ANISMA regarding its usability and supported creativity with 12 HCI researchers in a creative design task.

Funder

Entrepreneurial Universities (EU) initiative of New Zealand

Publisher

Association for Computing Machinery (ACM)

Subject

Human-Computer Interaction

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1. SleeveIO: Modular and Reconfigurable Platform for Multimodal Wearable Haptic Feedback Interactions;Proceedings of the 36th Annual ACM Symposium on User Interface Software and Technology;2023-10-29

2. Easy‐To‐Wear Auxetic SMA Knot‐Architecture for Spatiotemporal and Multimodal Haptic Feedbacks;Advanced Materials;2023-10-05

3. Touch Technology in Affective Human–, Robot–, and Virtual–Human Interactions: A Survey;Proceedings of the IEEE;2023-10

4. Shape memory alloy actuators for haptic wearables: A review;Materials & Design;2023-09

5. SkinLink;Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies;2023-06-12

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