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Add coneact and rmm
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‎.DS_Store‎

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‎_publications/2024-05-coneact.html‎

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---
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layout: article
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publication-date: 2024-05-11
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title: "ConeAct: A Multistable Actuator for Dynamic Materials"
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authors:
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- Yuyu Lin
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- Jesse T Gonzalez
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- Zhitong Cui
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- Yash Rajeev Banka
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- Alexandra Ion
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venue: In Proceedings of CHI ’24. Honolulu HI. May. 11 – May. 16, 2024
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type:
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- Conference
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- Full Paper
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- Peer-reviewed
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tags:
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- Dynamic Materials
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- Fabrication
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- Programmable Matter
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video: https://youtu.be/_nHfBX1utmI
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video-thumb: https://youtu.be/aN3d8D7VyKU
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video-preview: https://youtu.be/aN3d8D7VyKU
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image: teaser.png
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pdf: paper.pdf
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doi: https://dl.acm.org/doi/10.1145/3613904.3642949
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page-title: "ConeAct"
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page-subtitle: "A Multistable Actuator for Dynamic Materials"
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---
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<p>
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Complex actuators in a small form factor are essential for dynamic interfaces.
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In this paper, we propose ConeAct, a cone-shaped actuator that can extend, contract,
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and bend in multiple directions to support rich expression in dynamic materials.
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A key benefit of our actuator is that it is self-contained and portable as the whole system.
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We designed our actuator’s structure to be multistable to hold its shape passively,
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while we control its transition between states using active materials, i.e., shape memory alloys.
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We present the design space by showcasing our actuator module as part of self-rolling robots,
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reconfigurable deployable structures, volumetric shape-changing objects and tactile displays.
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To assist users in designing such structures, we present an interactive editor including simulation
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to design such interactive capabilities.
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</p>

‎_publications/2024-05-robotic-mm.html‎

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---
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layout: article
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publication-date: 2024-05-11
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title: "Robotic Metamaterials: A Modular System for Hands-On Configuration of Ad-Hoc Dynamic Applications"
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authors:
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- Zhitong Cui
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- Shuhong Wang
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- Violet Yinuo Han
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- Tucker Rae-Grant
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- Willa Yunqi Yang
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- Alan Zhu
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- Scott E. Hudson
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- Alexandra Ion
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venue: In Proceedings of CHI ’24. Honolulu HI. May. 11 – May. 16, 2024
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type:
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- Conference
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- Full Paper
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- Peer-reviewed
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tags:
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- Metamaterials
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- Fabrication
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- Programmable Matter
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video: https://youtu.be/8nzoPZUADJY
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video-thumb: https://youtu.be/DmH4AIIZ42U
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video-preview: https://youtu.be/DmH4AIIZ42U
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image: teaser.png
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pdf: paper.pdf
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doi: https://dl.acm.org/doi/10.1145/3613904.3642891
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page-title: "Robotic Metamaterials"
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page-subtitle: "A Modular System for Hands-On Configuration of Ad-Hoc Dynamic Applications
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"
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---
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<p>
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We propose augmenting initially passive structures built from simple repeated cells,
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with novel active units to enable dynamic, shape-changing, and robotic applications.
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Inspired by metamaterials that can employ mechanisms,
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we build a framework that allows users to configure cells of this passive structure
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to allow it to perform complex tasks.
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A key benefit is that our structures can be repeatedly (re)configured by users inserting
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our configuration units to turn the passive material into, e.g., locomotion robots,
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integrated motion platforms, or interactive interfaces, as we demonstrate in this paper.
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</p>
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<p>
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To this end, we present a mechanical system consisting of a flexible, passive, shearing lattice structure,
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as well as rigid and active unit cells to be inserted into the lattice for configuration.
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The active unit is a closed-loop pneumatically controlled shearing cell to dynamically actuate
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the macroscopic movement of the structure. The passive rigid cells redirect the forces to create
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complex motion with a reduced number of active cells. Since the placement of the rigid and active
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units is challenging, we offer a computational design tool. The tool optimizes the cell placement
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to match the macroscopic, user-defined target motions and generates the control code for the active cells.
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</p>

‎_site/404.html‎

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‎_site/assets/publications/2024-05-coneact/paper.pdf‎

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‎_site/assets/publications/2024-05-coneact/teaser.png‎

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‎_site/assets/publications/2024-05-robotic-mm/paper.pdf‎

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‎_site/assets/publications/2024-05-robotic-mm/teaser.png‎

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‎_site/contact.html‎

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‎_site/index.html‎

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