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智能服装中新型光纤光栅脉搏传感器的研究
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智能服装中新型光纤光栅脉搏传感器的研究
甘晶萌,苗长云,张诚,李鸿强,白芳芳,朱礼德
基金项目:高等学校博士学科点专项科研基金资助项目(200800580006,20101201120001)
作者简介:甘晶萌,(1988-),女,天津工业大学电子与信息工程学院在读研究生,主要研究方向:传感器信号处理
通信联系人:苗长云,(1962-),男,教授,主要研究方向:现代通信网络和光电检测技术.
(天津工业大学电子与信息工程学院,天津 300160)
摘要:脉搏是心脏和心血管状态等重要信息的外在反映,脉搏波中也包含着丰富的生理信息,所以准确得提取脉搏信号和脉搏波在医学上有着十分重要的意义。本文设计了基于光纤光栅的脉搏传感器,同时给出了脉搏信号的处理过程。该脉搏传感器能够克服电磁干扰等压电传感器的缺点,并且能够织入服装中,为智能服装中利用光纤光栅检测心音提供了基础。通过实验表明,该脉搏传感器能够准确得采集脉搏信号,并描绘脉搏波波形,实验误差小于1次/分钟。
关键词:传感器技术;智能服装;脉搏传感器;光纤布拉格光栅
中图分类号:TP212.3
Research on the New FBG Pulse Sensor in Smart Clothing
Gan Jingmeng, Miao Changyun, Zhang Cheng, Li Hongqiang, Bai Fangfang,
Zhu Lide
(Electronics and Information Engineering School,Tianjin Polytechnic University, TianJin 300160)
Abstract: The pulse reflects the conditions of blood vessels and heart, and there are rich physiological information in the pulse wave as well. So it is of great medical significance for extracting the pulse information. In this paper, a pulse sensor based on FBG is designed and the process for the pulse information is described. The pulse sensor is able to overcome the shortcomings of piezoelectric sensors such as electromagnetic interference. It can be weaved into the clothes. The experiment shows that the pulse sensor is able to accurately acquire the pulse information and the pulse wave. The experiment error is less than 1 times/min.
Keywords: sensor technology; the smart clothing; the pulse sensor; Fiber Bragg Grating