2018 International Conference on Material Strength and Applied Mechanics (MSAM 2018)
Yuya Koyama, Michiko Nishiyama, Kazuhiro Watanabe
Faculty of science and engineering, Dept. of Information Systems Science, Soka University
Stronger Together: Developing an Organizational Strategy for Accessible Desig...
Smart sensing textile with embedded hetero-core optical fiber sensors into the structure for monitoring human vital signs and motion
1. Smart sensing textile with embedded
hetero-core optical fiber sensors into the
structure for monitoring human vital
signs and motion
Yuya Koyama, Michiko Nishiyama, Kazuhiro Watanabe
Faculty of science and engineering, Dept. of Information
Systems Science, Soka University
2. Contents
1. Introduction
2. Hetero-core optical fiber sensor
3. Smart textile and its sensor performance
4. Body joint motion detection test
5. Vital signs detection test
6. Conclusion
3. Background
Unconscious and unconstrained sensing
Position,Motion,
Vital signs
Feedback, Alert
Healthcare
Sports Lifestyle support
Monitoring body motion and
vital signs
Wearable sensors
Wear itself can sense body motion
and vital signs
4. Conventional research
MVN motion capture
(XSENS .inc)
Inertial sensor
Tognetti A et al, Wearable kinesthetic system
for capturing and classifying upper limb gesture
in post-stroke rehabilitation., Journal of
NeuroEngineering Rehabiltation, 2-8, (2005).
Conductive fabrics
Enzo Pasquale Scilingo et al, "Strain-sensing
fabrics for wearable kinaesthetic-like
systems," in IEEE Sensors Journal, vol. 3, no.
4, pp. 460-467, Aug. 2003.
G. Cho, K. Jeong, M. J. Paik, Y. Kwun and M. Sung, "Performance Evaluation of
Textile-Based Electrodes and Motion Sensors for Smart Clothing," in IEEE Sensors
Journal, vol. 11, no. 12, pp. 3183-3193, Dec. 2011.
5. Conventional research
Zamir Ahmed Abro et al, Development of a smart
garment for monitoring body postures based on FBG and
flex sensing technologies, Sensors and Actuators A:
Physical, Volume 272, 2018
Body motion and vital signs measurement
using optical fibers
Optical fiber sensor
Flexible and light-weight material
No electro-magnetic interference
No electrical contact
M. Rothmaier et al., "Photonic textiles for pulse
oximetry," Opt. Express 16, 12973-12986 (2008).
J. P. Carmo et al., "Application of Fiber Bragg Gratings to
Wearable Garments," Sensors Journal, IEEE , vol.12, no.1,
pp.261,266, Jan. 2012
6. Hetero-core portion
(1~2mm)
Cladding
125μm
Core 9μmCore 5μm
Transmission line
Core 9μm
Hetero-core optical fiber sensor
No need for temperature compensation
Real-time measurement
0
1
2
3
4
5
0 2 4
Opticalloss[dB]
Displacement [mm]
Displacement
Transmission line
7. The sensor can be embedded into the material
of clothes without uncomfortable feeling
Smart textile using hetero-core optical fiber
Weaving hetero-core optical fiber into textile structure
Integration of clothes using the smart textile
Body joint motion and vital signs detection
Purpose
Hetero-core optical fiber
Unconscious and unconstrained smart clothes
16. Conclusion
Smart textile using hetero-core optical fiber
Fabrication of smart textile by weaving hetero-core optical fiber
Smart textile detect the deformation produced by bend, stretch,
and press
Body joint motion and vital signs were monitored by the smart
textile sawed on clothes
Smart textile using hetero-core optical fiber is useful for smart
clothes monitoring body motion and vital signs