SEOUL NATIONAL UNIVERSITY

Transcription

1 Fashion 8. Smart Textile System Sungmin Kim SEOUL NATIONAL UNIVERSITY What is Smart Textile System? Introduction Detection of External Stimulation Smart Fabric Wearable Computer Temperature, Chemical, Pressure, etc. Smart Textile System Active Response to Stimulation Thermal control, Sanitization, Mechanical Reaction,... Intelligent Textile e-textiles 2

2 Introduction Why Smart Textile System? Ubiquitous Environment Network can be connected at anytime, anywhere Smart textile system is the next best choice to implantable devices Fusion Fusion of IT, BT, NT, and ET through technology innovation Cutting edge technology for a human-centered society Hi-Functional Material Properties Digitalized Properties Fusion Smart Textile System 3 Introduction Why Smart Textile System? Advantage of Textile Structure as the Infrastructure of Smart System Flexibility of manufacturing process Large surface area and long length Fault tolerance Textile based elements are easy to scale in size Textile structure can conform to any desired shape Benefits of Textile Structure on the Human Side Human comfort is important for ubiquitous devices People prefer garments than wires or plastic cases 4

3 Realization of Smart Textile System By Smart Material By Smart Finishing By Smart Structure 5 By Smart Material Examples of Smart material Electro active polymer (EAP) Multi functional fiber Stretchable Electronics Project Jacquard Chromosonic Heatex Hitoe 6

4 By Smart Material Electroactive Polymer Characteristics High elasticity with large deformation Easy to process due to low density Potential use in robotics, biomimetics, MEMS (Microelectromechanical System), etc. Easily applicable to textile structure Activation mechanism By electric field By ion By other mechanisms 7 By Smart Material Electro Active Polymer Activated by electric field P(VDF-TrFE) co-polymer Large deformation under electric field No voltage Voltage On Dielectric Actuator (Acrylic EPAM) Applicable to speakers and small actuators No voltage Voltage On 8

5 By Smart Material Electro Active Polymer Activated by Ion Gel Polymer» Phase change by heat, solvent, ph, light, etc.» Suitable for artificial muscle Ionic Polymer Metal Composite (IPMC)» Large bending deformation under low electric field» Applicable for fine gripper for micro surgery 9 By Smart Material Electro Active Polymer Other Mechanisms Molecular EAP» Single polymer chain with the similar properties of muscle fiber» Basic structure of molecular muscle for MEMS Carbon Nanotube» Singled-walled Carbon Nanotube produces larger deformation than natural muscle fiber 10

6 By Smart Material Multi Functional Electronic Fiber Developed by MIT Light Sensing Sound Sensing Heat / Touch Sensing 11 By Smart Material Stretchable Electronics for Large Area (STELLA) Since 2006, Worldwide consortium 12

7 By Smart Material Project Jacquard Google, 2015 Touch sensitive fabric Can be integrated into touch screen or touch pad Fabric interface for various electronic devices 13 By Smart Material Chromosonic By Judit Eszter Karpati (2012, Hungary) Combination of thermochromic 'chameleon fiber' and electronics Expected to be the basis for garment of which its wearer can change the color and pattern 14

8 By Smart Material Heatex Kolon Glotech, 2010 Carbon fiber based Flexible and elastic 15 By Smart Material Hitoe Toray and NTT Polyester nano fiber fabric coated with conductive polymer 16

9 By Smart Finishing Characteristics Passive Smart Effect Fabrication using smart fiber material Ultra micro fiber fabric Quick drying fabric Electromagnetic shielding fabric using metal fiber Far-infrared radiation fabric Coating with functional material Waterproof coating Microcapsule coating for fragrant fabric Antibacterial/antimicrobial polymer coating Protective garments with flame-retardant compound coating 17 By Smart Finishing Miraheat Weltech Global (2013, Korea) Nano carbon treated plain fabric Changes sunlight into heat without additional power supply 18

10 By Smart Finishing Aquanix Jean Jean Textile (Korea, 2013) Made of fiber that changes color by absorbing water Normally invisible patterns appear with water contact Applicable to swimsuits or umbrellas for interesting effects 19 By Smart Finishing NanoSphere Schoeller Technologies (Switzerland) Allows dirt, oil, water to simply run off the surface of the textiles Mimics the natural self-cleaning effect of lotus Permanently resistant to washing 20

11 By Smart Finishing Emana Rhodia (Brazil) Reduces appearance of cellulite Increase skin elasticity and smoothness 21 By Smart Finishing Active Arnywear (UK) Fabric coated with bug-repellent capsule Long lasting protection Durable to washing 22

12 By Smart Structure Modular System Connection between Textile Modules Communication lines based on conductive fibers Versatile connector between textile-textile or textile-pcb (printed circuit board) modules Textile-based high-speed data communication Human Body Adapted Packaging Textile-type packaging technology for around body computing (ABC) Textile-based attach-and-play technology Textile based input devices Fabric-based sensor platforms and processing technology Fabric-type user interface technology Fabric-based motion recognition technology 23 By Smart Structure Silk Organza - Conductive Fabric MIT Media Lab Sheath-core yarn made of silk (for modulus) and copper (for conductivity) Electric isolation by non-conductive coating and space between each yarn Copper Foil Silk Core Flexible Ribbon Cable 24

13 By Smart Structure Conductive Yarn and Fabric Textile Circuit Electronic device attached garment Textile Fibers Conductive Yarn Energy Harvesting Fiber Organic Electronic Fiber (Single transistor on 1 fiber) 25 By Smart Structure Circuit based on Conductive Fabric Attachment of electronic devices on fabric using gripper snap or lead Resistor, Capacitor, LED, etc. Communicate with computer using optical fiber or electric wiring Data bus Micro Controller IC Integration Buzzer : Fabric breadboard - Smartkerchief 26

14 By Smart Structure Conductive Embroidery All fabric keyboard - type 1 Circuit is printed on the fabric by conductive embroidery technique The status of a switch can be checked using the capacitance difference Used as an input device for the Levi's Musical Jacket Can be used for clothing pressure measurement 27 By Smart Structure Hybrid Structure All fabric keyboard type 2 A quilt like structure made with conductive and non-conductive material Electric current flows when pressure is applied to make conductive material touch each other Conductive Column Conductive Row Insulation Layer 28

15 Applications Military Application Georgia Tech Wearable Motherboard (GTWM) Developed for military purposes since 1996 with the support of the US Navy Commercially available under the name of Smart Shirt by SensaTex Sensing & monitoring of biological signals using conductive fiber Remote Monitoring 29 Applications Military Application Soldier of the Future Under development by US Army Increase degraded mobility due to the diverse and complex personal equipment Improve portability by integrating the computer and communications equipment Body temperature maintenance, sterilization, nuclear-chemical-biological protective function Self-regulating Thermal Jacket 30

16 Applications Entertainment Application Electronic Plaid MIT Media Lab Heat a specific portion of the fabric using thin electric wire Heat-sensitive ink capsules on the fabric control change its color Applicable fields» Ornaments» Building wall decoration» Military camouflage fabric Thermochromic Ink Microcapsule 31 Applications Entertainment Application Audio Jacket Infineon Technologies Integration of MP3 Player and speaker with jacket Textile-based electronic circuitry Durable to washing 32

17 Applications Entertainment Application Soft Switch Keyboard and switches applicable to textile garment products Implementation of the music-playing fabric 33 Applications Entertainment Application Fiber Display France Telecom Flexible fabric display using optical fiber Any kind of data can be displayed Can be used for advertisement Fiber optic Screen 34

18 Applications Sports Application Smart Ski Jacket (Philips Levi s) Integration of GPS, thermal Control, and MP3 with ski jacket Smart Shirt for Motor Racer Monitoring driver s vital signs 35 Applications Sports Application Cycle Guide Flexible communication-display system Communicate with control center during the race 36

19 Applications Sports Application YakOn P Black Yak (Korea) Measurement of ECG (electrocardiogram) using conductive fiber 37 Applications Health Care Application Vital Sign Monitoring Prevention of SIDS (Sudden Infant Death Syndrome) Geriatric Care Post-Surgery Recovery Monitoring Heart Rate, Respiration Rate Body Temperature, Voice 38

20 Health Care Application Life Shirt Applications VivoMetrics (USA) Sensors are woven around the patient s chest and abdomen Measures heart rate and records subject posture and activity level Optional peripheral devices measure blood pressure, temperature and blood oxygen saturation. 39 Safety Application ProeTEX Protection e-textile (University of Modena, 2006~2010) Rescue operations Operations requiring ventilation Firefighting in urban and industrial settings Applications 40

21 Applications Safety Application Helpware NexSys (Korea) Consists of various wearable sensors and helmet platform Communication over LTE network with unlimited range Real-time monitoring of workers' vital signs 41 The Future Challenges to Smart Textile System Efficiency of Embedded System Minimization of textile-compatible sensors and digital device Safety Issues Minimization of electromagnetic radiation and static electricity Ubiquitous Environment Robust wireless communication infrastructure Power Supply Low voltage power supply using body temperature Utilization of sunlight or wind power Utilization of fiber bending energy Thermogenerator from Infineon Technologies 42

22 The Future Various Views Scientists The ultimate change in clothing will be the change in the cloth itself Designers can create a whole new fashion using new materials Fashion Designers Clothing cannot be evaluated only in functional perspective Consumer oriented technology is necessary Major development is expected in leisure and sport section 43