TY - GEN
T1 - Gait analysis system based on slippers with flexible piezoelectric sensors
AU - Cha, Youngsu
AU - Song, Kahye
AU - Shin, Jisu
AU - Kim, Doik
N1 - Funding Information:
*Corresponding author: Y. Cha (phone: +82-2-958-6949; e-mail: give-mong@kist.re.kr) Research supported by Korea Institute of Science and Technology Institutional Program under Grant KIST 2E28250.
Publisher Copyright:
© 2018 IEEE.
PY - 2018/7/2
Y1 - 2018/7/2
N2 - This study introduces a gait analysis system using a pair of slippers with flexible piezoelectric sensors. We install only one flexible sensor based on polyvinylidene fluoride, which is a flexible piezoelectric material, in each slipper. The flexible sensor is positioned in the slipper sole area under the inner arch of the foot. In this position, the sensor undergoes bending for walking, and generates electrical signals through the piezoelectric characteristic. We focus on the detection of the heel strike and toe-off moments from the sensor output. We then acquire the floor contract information of the slippers from the detection and extract eight gait parameters. We develop a gait analysis system including the sensing slippers, a sensing module for data collection and wireless communication, and an external computer with the data processing program. Moreover, we demonstrate that the proposed total gait analysis system based on the slippers with the flexible piezoelectric sensors works efficiently.
AB - This study introduces a gait analysis system using a pair of slippers with flexible piezoelectric sensors. We install only one flexible sensor based on polyvinylidene fluoride, which is a flexible piezoelectric material, in each slipper. The flexible sensor is positioned in the slipper sole area under the inner arch of the foot. In this position, the sensor undergoes bending for walking, and generates electrical signals through the piezoelectric characteristic. We focus on the detection of the heel strike and toe-off moments from the sensor output. We then acquire the floor contract information of the slippers from the detection and extract eight gait parameters. We develop a gait analysis system including the sensing slippers, a sensing module for data collection and wireless communication, and an external computer with the data processing program. Moreover, we demonstrate that the proposed total gait analysis system based on the slippers with the flexible piezoelectric sensors works efficiently.
KW - flexible sensor
KW - gait analysis
KW - piezoelectric
KW - slipper
UR - http://www.scopus.com/inward/record.url?scp=85064107076&partnerID=8YFLogxK
U2 - 10.1109/ROBIO.2018.8664872
DO - 10.1109/ROBIO.2018.8664872
M3 - Conference contribution
AN - SCOPUS:85064107076
T3 - 2018 IEEE International Conference on Robotics and Biomimetics, ROBIO 2018
SP - 2479
EP - 2484
BT - 2018 IEEE International Conference on Robotics and Biomimetics, ROBIO 2018
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2018 IEEE International Conference on Robotics and Biomimetics, ROBIO 2018
Y2 - 12 December 2018 through 15 December 2018
ER -