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Hot-Plugging Logic-Enabled Valves
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Materials Science and Engineering, Microsystems Technology.ORCID iD: 0000-0001-8184-0025
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Materials Science and Engineering, Microsystems Technology.ORCID iD: 0000-0003-0001-3197
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Materials Science and Engineering, Microsystems Technology.ORCID iD: 0000-0003-2744-1634
2025 (English)In: Advanced intelligent systems, ISSN 2640-4567Article in journal (Refereed) Epub ahead of print
Abstract [en]

Soft pneumatic robotics are emerging as a transformative force in the field ofwearable robotics, especially for their ability to deliver high-force kinesthetichaptics using lightweight, soft, and compliant materials. Despite theseadvancements, the miniaturization of these systems and the integration ofcomplex, large-scale actuators pose significant challenges. Therefore, thisresearch proposes a novel hot-plugging logic-enabled pinch valve to facilitateseamless valve integration without disrupting the existing pneumatic system.The valve design incorporates a frame equipped with slots for two pneumaticactuators (PAs). A third slot positioned between these two actuators enables hotplugging capabilities for the operational elastic tubing pinched between theactuators. This configuration allows the control of higher operational pressureswhile operating at lower control pressures, achieving an impressive gain of up toeight and a maximum operational frequency of 1 Hz. Furthermore, by utilizing twoPAs and adjusting the control pressure, the valve can execute a range of logicalfunctions, including NOT, NAND, and NOR, without modifying its pneumaticconnections. The NAND function of the valve is successfully demonstrated as ittransforms an unsecured gripper into a secured one, showcasing its practicalimplications for enhancing functionality in soft pneumatic robotic systems.

Place, publisher, year, edition, pages
Wiley-VCH Verlagsgesellschaft, 2025.
Keywords [en]
soft robotics, logics, pneumatic valve
National Category
Textile, Rubber and Polymeric Materials
Research subject
Engineering Science with specialization in Materials Science
Identifiers
URN: urn:nbn:se:uu:diva-553538DOI: 10.1002/aisy.202400582OAI: oai:DiVA.org:uu-553538DiVA, id: diva2:1948201
Funder
Swedish Foundation for Strategic Research, CHI19-00Available from: 2025-03-28 Created: 2025-03-28 Last updated: 2025-03-28

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