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Conference paper Open Access

Analysis and optimization of fully foam-based capacitive sensors

Totaro, Massimo; Bernardeschi, Irene; Wang, Hongbo; Beccai, Lucia


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    "doi": "10.1109/RoboSoft48309.2020.9116014", 
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    "language": "eng", 
    "title": "Analysis and optimization of fully foam-based capacitive sensors", 
    "license": {
      "id": "CC-BY-4.0"
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    "notes": "This is the final manuscript submitted for publication. \nFor request of research data or any other detail, please contact Dr Massimo Totaro, massimo.totaro@iit.it", 
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        "title": "3D Stretchable Inductive Tactile Sensors for Soft Artificial Touch", 
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        "program": "H2020", 
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    "keywords": [
      "Soft sensors", 
      "conductive foam", 
      "Capacitive sensors", 
      "tactile sensing", 
      "porous materials", 
      "Porous materials modeling", 
      "FEA"
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    "publication_date": "2020-06-15", 
    "creators": [
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        "affiliation": "Istituto Italiano di Tecnologia", 
        "name": "Totaro, Massimo"
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      {
        "affiliation": "Istituto Italiano di Tecnologia", 
        "name": "Bernardeschi, Irene"
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        "orcid": "0000-0002-6546-1241", 
        "affiliation": "Istituto Italiano di Tecnologia", 
        "name": "Wang, Hongbo"
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      {
        "affiliation": "Istituto Italiano di Tecnologia", 
        "name": "Beccai, Lucia"
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    "meeting": {
      "acronym": "RoboSoft2020", 
      "url": "http://robosoft2020.org/", 
      "dates": "15 May-15 July 2020", 
      "place": "New Haven, CT, USA (virtual)", 
      "title": "2020 3rd IEEE International Conference on Soft Robotics"
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    "description": "<p>This paper presents the electromechanical analysis of ultra-light and highly compressible capacitive pressure sensors based on open-cell foams, with top and bottom surface electrodes built by PEDOT:PSS coating. Multiple samples of porous capacitive sensors were characterized, and experimental results were compared by means of both FEM simulations and theoretical analysis. The agreement between experiments and theoretical/numerical prediction is good, suggesting that this methodology can be a useful tool for fine tuning of the sensor performance (i.e. sensitivity, range) for specific applications. Finally, the proposed foam sensor provides a low-cost, easy-to-implement, robust sensing solution for real-world applications in robotics and wearable systems.</p>"
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