In-shoe plantar pressure measurement and analysis system based on fabric pressure sensing array

Lin Shu, Tao Hua, Yangyong Wang, Qiao Li, David Dagan Feng, Xiaoming Tao

Research output: Journal article publicationJournal articleAcademic researchpeer-review

253 Citations (Scopus)

Abstract

Spatial and temporal plantar pressure distributions are important and useful measures in footwear evaluation, athletic training, clinical gait analysis, and pathology foot diagnosis. However, present plantar pressure measurement and analysis systems are more or less uncomfortable to wear and expensive. This paper presents an in-shoe plantar pressure measurement and analysis system based on a textile fabric sensor array, which is soft, light, and has a high-pressure sensitivity and a long service life. The sensors are connected with a soft polymeric board through conductive yarns and integrated into an insole. A stable data acquisition system interfaces with the insole, wirelessly transmits the acquired data to remote receiver through Bluetooth path. Three configuration modes are incorporated to gain connection with desktop, laptop, or smart phone, which can be configured to comfortably work in research laboratories, clinics, sport ground, and other outdoor environments. A real-time display and analysis software is presented to calculate parameters such as mean pressure, peak pressure, center of pressure (COP), and shift speed of COP. Experimental results show that this system has stable performance in both static and dynamic measurements.
Original languageEnglish
Article number5378500
Pages (from-to)767-775
Number of pages9
JournalIEEE Transactions on Information Technology in Biomedicine
Volume14
Issue number3
DOIs
Publication statusPublished - 1 May 2010

Keywords

  • Fabric pressure sensor array
  • Plantar pressure
  • Wireless communication

ASJC Scopus subject areas

  • Biotechnology
  • Computer Science Applications
  • Electrical and Electronic Engineering

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