Journal
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING
Volume 23, Issue 5, Pages 565-572Publisher
KOREAN SOC PRECISION ENG
DOI: 10.1007/s12541-022-00637-y
Keywords
Foot plantar pressure; Pressure sensor; Material dispensing process
Funding
- Ministry of Science and ICT (Study on The Development of Flexible Tactile Sensors with Multi-layer Structure and Wide Sensing Range) [2019 R1F1A1060440]
- National Research Foundation of Korea (NRF) - Korean government (MSIT) [2021R1A4A1033141]
- National Research Foundation of Korea [2021R1A4A1033141] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Foot plantar pressure measurement is an important approach for diagnosing foot problems and promoting health. A plantar pressure measurement insole with embedded printed flexible sensors was developed and proved suitable for measuring high-pressure distribution of different foot areas.
Foot plantar pressure measurement is one of the most promising approaches for diagnosing foot problems at an early stage for injury prevention and general wellbeing. Information can be derived from the pressure created between the human foot and the support surface in contact with it. This data can be used in gait and posture monitoring for research applications in medical fields, sports, and footwear design. Therefore, it is important to develop an accurate and reliable foot plantar pressure measurement system. This paper presents the development of a plantar pressure measurement insole with embedded printed flexible piezoresistive sensors. The sensing elements of the insole were made from the dispensing of a carbon-based composite with curvilinear shapes. The insole was proved to be suitable for measuring the high-pressure distribution of the different areas of a subject's foot. Tests to compare the effect of the length of the printed sensors on their performance were carried out. Based on the found results, customizable flexible insoles can be fabricated following the pressure of different regions under the foot.
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