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id acadia17_38
authors Ahlquist, Sean; McGee, Wes; Sharmin, Shahida
year 2017
title PneumaKnit: Actuated Architectures Through Wale- and Course-Wise Tubular Knit-Constrained Pneumatic Systems
source ACADIA 2017: DISCIPLINES & DISRUPTION [Proceedings of the 37th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-96506-1] Cambridge, MA 2-4 November, 2017), pp. 38-51
summary This research explores the development of seamless pneumatically actuated systems whose motion is controlled by the combination of differentially knitted textiles and standardized thin-walled silicone tubing. This work proposes a fundamental material strategy that addresses challenges ranging from soft robotics to pneumatic architecture. Research in soft robotics seeks to achieve complex motions through non-mechanical monolithic systems, comprised of highly articulated shapes molded with a combination of elastic and inelastic materials. Inflatables in architecture focus largely on the active structuring of static forms, as facade systems or as structured envelopes. An emerging use of pneumatic architecture proposes morphable, adaptive systems accomplished through differentiated mechanically interconnected components. In the research described in this paper, a wide array of capabilities in motion and geometric articulation are accomplished through the design of knitted sleeves that generate a series of actuated “elbows.” As opposed to molding silicone bladders, differentiation in motion is generated through the more facile ability of changing stitch structure, and shaping of the knitted textile sleeve, which constrains the standard silicone tubing. The relationship between knit differentiation, pneumatic pressure, and the resultant motion profile is studied initially with individual actuators, and ultimately in propositions for larger seamless assemblies. As opposed to a cellular study of individual components, this research proposes structures with multi-scalar articulation, from fiber and stitch to overall form, composed into seamless, massively deformable architectures.
keywords material and construction; fabrication; construction/robotics
series ACADIA
email ahlquist@umich.edu
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100%; open Ahlquist, Sean, Julian Lienhard, Jan Knippers, and Achim Menges (2013) Find in CUMINCAD Physical and Numerical Prototyping for Integrated Bending and Form-Active Textile Hybrid Structures , Rethinking Prototyping: Proceeding of the Design Modelling Symposium, edited by C. Gengnagel, A. Kilian, J. Nembrini and F. Scheurer, 1–14. Berlin: Universitat der Kunste

100%; open Ahlquist, Sean, Tim Kampowski, Omid Oliyan, Achim Menges, and Thomas (2014) Find in CUMINCAD Development of a Digital Framework for the Computation of Complex Material and Morphological Behavior of Biological and Technological Systems , Computer-Aided Design: Special Issue on Material Ecology 60: 84–104

100%; open Ahlquist, Sean (2015) Find in CUMINCAD Social Sensory Architectures: Articulating Textile Hybrid Structures for Multi-sensory Responsiveness and Collaborative Play , Computational Ecologies: Design in the Anthropocene, Proceedings of the 35th Annual Conference of the Association for Computer Aided Design in Architecture, edited by Lonn Combs and Chris Perry, 262–73. Cincinnati, OH: ACADIA

100%; open Ball, Erick, Michael Meller, Jordan Chipka, and Ephrahim Garcia (2016) Find in CUMINCAD Modeling and Testing of a Knitted-Sleeve Fluidic Artificial Muscle , Smart Materials and Structures 25 (11): 1–14

100%; open Baranovskaya, Yulia, Marshall Prado, Moritz Dorstelmann, and Achim Menges (2016) Find in CUMINCAD Knitflatable Architectures , eCAADe 2016: Proceedings of the 34th eCAADe Conference - Volume 1, edited by A. Herneoja, T. Österlund and P. Markkanen, 571–80. Oulu, Finland: eCAADe

100%; open Fougere, Daniel, Ryan Goold, and Kathy Velikov (2015) Find in CUMINCAD Pneuma-Technics// Methods for Soft Adaptive Environments , Computational Ecologies: Design in the Anthropocene, Proceedings of the 35th Annual Conference of the Association for Computer Aided Design in Architecture, edited by Lonn Combs and Chris Perry, 262–73. Cincinnati, OH: ACADIA

100%; open Galloway, Kevin, Panagiotis Polygerinos, Conor Walsh, and Robert Wood (2013) Find in CUMINCAD Mechanically Programmable Bend Radius for Fiber-Reinforced Soft Actuators , Proceedings for the 16th International Conference on Advanced Robotics. Montevideo, Uruguay: ICAR

100%; open Gharleghi, Mehran, and Amin Sadeghy (2009) Find in CUMINCAD Adaptive Pneus , reForm(): Building a Better Tomorrow, Proceedings of the 29th Annual Conference of the Association for Computer Aided Design in Architecture, edited by T. de Estree Sterk, R. Loveridge and D. Pancoast, 110–17. Chicago: ACADIA

100%; open Knippers, Jan, Jan Cremers, Markus Gabler, and Julian Lienhard (2011) Find in CUMINCAD Construction Manual for Polymers and Membranes , Basel: Birkhäuser

100%; open Maeder-York, Tyler Clites, Emily Boggs, Ryan Neff, Panagiotis Polygerinos, Donal Holland, Leia Stirling, Kevin Galloway, Catherine Wee, and Conor Walsh (2014) Find in CUMINCAD Biologically Inspired Soft Robot for Thumb Rehabilitation , Journal of Medical Devices 8 (2): 020933

100%; open Melendez, Frank, Madeline Gannon, Zachary Jacobson-Weaver, and Varvara Toulkeridou (2014) Find in CUMINCAD Adaptive Pneumatic Frameworks , ACADIA 14: Design Agency, Proceedings of the 34th Annual Conference of the Association for Computer Aided Design in Architecture, edited by David Gerber, Alvin Huang, and Jose Sanchez, 426–34. Los Angeles: ACADIA

100%; open Penciuc, Mihai, Mirela Blaga, and Ramona Ciobanu (2010) Find in CUMINCAD Principle of Creating 3D Effects on Knitted Fabrics Developed on Electronic Flat Knitting Machines , Proceedings for International Symposium in Knitting and Apparel, 15–22. Iasi, Romania: IKSA

100%; open Polyugerinos, Panagiotis, Zheng Wang, Kevin Galloway, Robert Wood, and Conor Walsh (2015) Find in CUMINCAD Soft Robotic Glove For Combined Assistance and At-Home Rehabilitation , Robotics and Autonomous Systems 73: 135–143

100%; open Velikov, Kathy, Geoffrey Thun, and Mary O’Malley (2014) Find in CUMINCAD PneuSystems: Cellular Pneumatic Envelope Assemblies , ACADIA 14: Design Agency, Proceedings of the 34th Annual Conference of the Association for Computer Aided Design in Architecture, edited by David Gerber, Alvin Huang, and Jose Sanchez, 435–44. Los Angeles: ACADIA

100%; open Velikov, Kathy, Geoffrey Thun, Mary O’Malley, and Wiltrud Simbuerger (2014) Find in CUMINCAD Nervous Ether: Soft Aggregates, Interactive Skins , Leonardo 47 (4): 345–351

100%; open Wang, Adam and Sean Ahlquist (2016) Find in CUMINCAD Pneumatic Textile System , ACADIA // 2016: Posthuman Frontiers: Data, Designers, and Cognitive Machines, Proceedings of the 36th Annual Conference of the Association for Computer Aided Design in Architecture, edited by Kathy Velikov, Sean Ahlquist, Matias del Campo, and Geoffrey Thu?n, 290–97. Ann Arbor: ACADIA

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