Development of a fully woven, ready-made pressure sensor for smart textile applications
C.R. Hoogstraten (TU Delft - Industrial Design Engineering)
Kaspar M.B. Jansen – Graduation committee member (TU Delft - Emerging Materials)
H.L. McQuillan – Mentor (TU Delft - Materials and Manufacturing)
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Abstract
Fabricating woven pressure sensors traditionally comes with considerable constraints, including extensive postprocessing steps and manual labor. This is because most existing designs rely on layering multiple fabrics and inserting a highresistance layer afterward. In this thesis, we present a novel, fully woven, ready-made pressure sensor that overcomes these limitations. Our sensor uses an interlaced double-layer structure, where each layer is a two-faced compound fabric. This design only uses off-the-shelf yarns, significantly enhancing the feasibility of mass production. The resulting sensor is thin, with a sensitivity of 0.5917 kPa−1 and a detection range of 10 – 100 kPa. Furthermore, we introduce Press Zoom, a computer mouse button that maps pressure differences to zoom levels in desktop applications, demonstrating a practical use case for our sensor. Finally, we conclude with key findings that provide deeper insights into the working principles of our
pressure sensor.