Strain-Insensitive Soft Pressure Sensor for Health Monitoring Application Using 3D-Printed Microchannel Mold and Liquid Metal

2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII) Pub Date : 2019-06-23 DOI:10.1109/TRANSDUCERS.2019.8808472

Kyuyoung Kim, Jungrak Choi, Y. Jeong, Minseong Kim, I. Cho, Seunghwan Kim, Y. Oh, I. Park

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引用次数: 3

Abstract

In this research, we introduce a strain-insensitive soft pressure sensor using 3D-printed microchannel mold and liquid metal for health monitoring applications. Our soft pressure sensor consists of elastomer and liquid metal for its intrinsic stretchable property. Also, serpentine geometric pattern of the microchannel enabled the sensor to be strain-insensitive for stable signal response and recovery in wearable applications. Various experiments for sensor characterizations were conducted and the study of FEM simulation verified the strain-insensitive behavior of serpentine pattern. As a health monitoring application, body pressure distribution was monitored using several pressure sensors attached on the clothes and the body pressures were compared according to various lying conditions.

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应变不敏感软压力传感器用于健康监测应用，使用3d打印微通道模具和液态金属

在这项研究中，我们介绍了一种应变不敏感的软压力传感器，该传感器采用3d打印微通道模具和液态金属，用于健康监测应用。我们的软压力传感器由弹性体和液态金属组成，具有固有的可拉伸特性。此外，微通道的蛇形几何图案使传感器对应变不敏感，可以在可穿戴应用中实现稳定的信号响应和恢复。进行了各种传感器表征实验和有限元模拟研究，验证了蛇形图案的应变不敏感特性。作为一种健康监测应用，我们利用附着在衣服上的多个压力传感器来监测人体压力的分布，并根据不同的躺卧条件对人体压力进行比较。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

2019 20th International Conference on Solid-State Sensors, Actuators and Microsystems & Eurosensors XXXIII (TRANSDUCERS & EUROSENSORS XXXIII)

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