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首页> 外文期刊>IEEE sensors journal >A Flexible Capacitive Pressure Sensor for Wearable Respiration Monitoring System
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A Flexible Capacitive Pressure Sensor for Wearable Respiration Monitoring System

机译：用于穿戴式呼吸监控系统的柔性电容式压力传感器

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This paper presents the design, fabrication, and characterization of a wearable capacitive pressure sensor for respiration-monitoring systems. For the dielectric layer of the proposed capacitive sensor, Porous Ecoflex with a porosity of ~36% was prepared from a manually made sugar cube via a simple melting process. A polydimethylsiloxane-based silver nanowire and carbon fibers thin films were used for the sensor electrodes. The fabricated flexible pressure sensor exhibited a high sensitivity of 0.161 kPa for low pressure regime (<;10 kPa), a wide working pressure range of <;200 kPa, and a high durability over 6000 cycles. Since the proposed sensor is flexible and resizable, it can be integrated into clothes and easily placed at any location of the human body. Finally, the practicality of the sensor was successfully demonstrated by integrating the sensor into a waist belt to monitor the real-time respiration signal of the human being. The finding is highly useful to monitor respiration signal for the detection of diseases, such as sleep apnea, asthma, and others.
机译：本文介绍了用于呼吸监测系统的可穿戴电容式压力传感器的设计，制造和特性。对于所提出的电容式传感器的介电层，通过简单的熔化过程由手工制得的方糖制备了孔隙率约为36％的多孔Ecoflex。基于聚二甲基硅氧烷的银纳米线和碳纤维薄膜被用作传感器电极。所制造的柔性压力传感器对低压状态（<; 10 kPa）表现出0.161 kPa的高灵敏度，在<; 200 kPa的宽工作压力范围内具有6000次循环的高耐久性。由于建议的传感器具有灵活性和可调整性，因此可以将其集成到衣服中并轻松放置在人体的任何位置。最后，通过将传感器集成到腰带中以监测人类的实时呼吸信号，成功地证明了该传感器的实用性。该发现对于监测呼吸信号以检测疾病，例如睡眠呼吸暂停，哮喘和其他疾病，非常有用。

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