Technical Textiles

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Technical Textiles

  1. 1. New Interactive Materials Matthew Chalmers University of Glasgow Cliff Randell University of Bristol
  2. 2. Technical Textiles <ul><li>A lot of wearable computers fit the ‘boxes in pockets’ stereotype </li></ul><ul><ul><li>Relatively unwieldy devices, hidden in pockets and linings </li></ul></ul><ul><li>New textiles support sensing, display and communication </li></ul><ul><ul><li>Conductive fibres for buses and antennae </li></ul></ul><ul><ul><li>Thermochromic/electroluminescent fibres changing colour </li></ul></ul><ul><ul><li>Shape memory alloys, muscle wires and tactons changing shape/pressure </li></ul></ul><ul><ul><li>Carbon-fibre stretch-sensing panels </li></ul></ul><ul><ul><li>Sensors of heartbeat and other physiological properties </li></ul></ul><ul><li>Garments not (just) computers </li></ul><ul><ul><li>Everyday use, wherever one goes, for communication and expression </li></ul></ul><ul><ul><li>On and about the body: digital as well as physical, intimate, cultural… </li></ul></ul>
  3. 3. Initial Experiments <ul><li>Electromagnetic field detection and screening </li></ul><ul><ul><li>UHF (RF pingers, motes, Smart-Its) detectable at 14m </li></ul></ul><ul><ul><li>Radar frequencies: GPS (1.8GHz) and Bluetooth (2.4GHz) possible </li></ul></ul><ul><ul><li>Power levels of mobile phones (900MHz-1.8GHz) too strong </li></ul></ul><ul><ul><li>Various screening materials available commercially </li></ul></ul><ul><li>Underlying backing for thermochromic textiles </li></ul><ul><ul><li>Sensitivity of dye can be tuned to be in a small and safe temperature range </li></ul></ul><ul><ul><li>A safe voltage (20-25V) drove a 10cm length strip with a 31° transition </li></ul></ul><ul><li>Conductors for electrical signals and power </li></ul><ul><ul><li>500mA, suitable for low-power sensors and microcontrollers and displays </li></ul></ul><ul><ul><li>Organza: can attach and drive LEDs directly </li></ul></ul>
  4. 4. Prototype Components
  5. 5. Bristol Workshop, Dec 2004
  6. 6. Central Saint Martins
  7. 7. Ongoing Work <ul><li>Making and experimenting with samples and components </li></ul><ul><ul><li>Weaving conductive and EL fibres, stretch panels, pressure panels… </li></ul></ul><ul><li>Connectors for the woven bus </li></ul><ul><ul><li>Adding other larger components, e.g. Bluetooth comms </li></ul></ul><ul><li>Contacts and welding </li></ul><ul><ul><li>Discussion with The Welding Institute, Cambridge </li></ul></ul><ul><li>The AHRB/EPSRC Emotional Wardrobe cluster </li></ul><ul><ul><li>First design workshop on March 9th </li></ul></ul><ul><li>Seamful Games </li></ul><ul><ul><li>Dark Bill: one jacket per player </li></ul></ul><ul><ul><li>Small numbers of prototype garments in a larger game setting </li></ul></ul>
  8. 8. Conclusion <ul><li>Technical textiles </li></ul><ul><ul><li>New materials affording sensing, display and communication </li></ul></ul><ul><ul><li>Artefacts that are most digital as well as physical, intimate, cultural.. </li></ul></ul><ul><ul><li>Opening up a design space through experiments, prototypes & workshops </li></ul></ul><ul><li>Garments as part of wider user experience design </li></ul><ul><ul><li>Combining two mass media: computing and clothing </li></ul></ul><ul><ul><li>Seamful Games: showing state and sharing status in multiplayer games </li></ul></ul><ul><ul><li>Emotional Wardrobe: emotional communication between lovers, family… </li></ul></ul>
  9. 9. Thanks <ul><li>U. Glasgow: Malcolm Hall, Paul Tennent </li></ul><ul><li>U. Bristol: Henk Muller, Ian Anderson and Angus Clarke </li></ul><ul><li>Central Saint Martins: Sharon Baurley, Philippa Brock and Lisa Stead </li></ul><ul><li>EPSRC/AHRB Emotional Wardrobe cluster </li></ul><ul><ul><li>CSM, U. Glasgow, Vodafone, HP Labs, KCL, RCA, Imperial, U. Bradford, TechniTex </li></ul></ul>

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