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Title: A Motion-Balanced Sensor Based on the Triboelectricity of Nano-Iron Suspension and Flexible Polymer
Authors: Wang, Zhihua
Yang, Songyi
Miao, Shuang
Shi, Qiongfeng 
He, Tianyiyi 
Lee, Chengkuo 
Keywords: motion-balanced sensor
nano metal suspension
Issue Date: 1-May-2019
Publisher: MDPI
Citation: Wang, Zhihua, Yang, Songyi, Miao, Shuang, Shi, Qiongfeng, He, Tianyiyi, Lee, Chengkuo (2019-05-01). A Motion-Balanced Sensor Based on the Triboelectricity of Nano-Iron Suspension and Flexible Polymer. NANOMATERIALS 9 (5). ScholarBank@NUS Repository.
Abstract: With the development of the Internet of Things and information technology, a large number of inexpensive sensors are needed to monitor the state of the object. A wide variety of sensors with a low cost can be made using the difference in charge attractiveness between flexible polymers and other materials. Compared to the two solid materials, a sensor made of a solid polymer-liquid has a large contact area and low friction. A motion-balanced sensor is presented based on the polytetrafluoro ethene pipe and nano-iron suspension. The effect of the concentration and volume of the nano-iron suspension on the output voltage of the sensor is analyzed. The motion-balanced sensor can be used to measure the tilt angle of the object and there is a linear relationship between the output voltage and the tilt angle. A comparison test is performed to a commercial acceleration sensor with PZT-5. The test results show that the frequency characteristics and amplitude characteristics of the motion-balanced sensor are consistent with those of the acceleration sensor. The motion-balanced sensor can be used to determine the state of exercise such as walking, running, etc. The motion-balanced sensor has broad application prospects for monitoring the bridges and power towers balance, stroke patients’ health assessment, etc.
ISSN: 20794991
DOI: 10.3390/nano9050690
Appears in Collections:Staff Publications

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