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首页> 外文期刊>IEEE sensors journal >Designing, Manufacturing and Testing of a Piezoelectric Polymer Film In-Sole Sensor for Plantar Pressure Distribution Measurements
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Designing, Manufacturing and Testing of a Piezoelectric Polymer Film In-Sole Sensor for Plantar Pressure Distribution Measurements

机译：用于足底压力分布测量的压电聚合物薄膜鞋内传感器的设计，制造和测试

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摘要

We have designed, manufactured, and tested a prototype of an in-sole plantar pressure sensor. The sensor is made of a piezoelectric polymer film (polyvinylidenefluoride, PVDF) with evaporated copper electrodes. The size and the location of measuring sites are carefully considered to produce a light-weighted, practical, and inexpensive matrix sensor for measurement of plantar pressure distribution. The sensor consists of eight measurement locations: hallux, first metatarsal head (under both sesamoid bones), metatarsal heads 2-5 and heel. The developed in-sole sensor was evaluated through piezoelectric sensitivity measurements and test measurements with subjects (used as a platform sensor). Average peak-to-peak pressures from 58 to 486 kPa were obtained in plantar pressure measurements. The in-sole sensor can be used to prevent pressure ulcers. Also other application areas for the sensor are available, e.g., rehabilitation and sports. The developed sensor enables unobtrusive and long-term plantar pressure measurements. In future, an option for manufacturing the PVDF in-soles may be printing of desired electrode pattern on PVDF material, that would allow fast production, and if needed, the production of even individual in-soles.
机译：我们已经设计，制造和测试了鞋底内底压力传感器的原型。传感器由带有蒸发的铜电极的压电聚合物薄膜（聚偏二氟乙烯，PVDF）制成。仔细考虑测量部位的大小和位置，以生产出重量轻，实用且价格低廉的矩阵传感器，用于测量足底压力分布。传感器由八个测量位置组成：拇指、,骨头（位于两个芝麻骨下方），meta骨头2-5和脚跟。通过压电敏感度测量和受试者测试测量（用作平台传感器），对开发的鞋内底传感器进行了评估。在脚底压力测量中获得的平均峰峰值压力为58至486 kPa。鞋内底传感器可用于预防压疮。传感器的其他应用领域也可用，例如康复和运动。先进的传感器可以进行不显眼的长期足底压力测量。将来，制造PVDF内底的一种选择可能是在PVDF材料上印刷所需的电极图案，这将允许快速生产，甚至在需要时甚至可以生产单个内底。

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