表面肌电信号检测电路的设计——论文

本科毕业设计（论文）（2016届）题目表面肌电信号检测电路的设计学院物理与电子工程学院专业电气工程及其自动化班级12电气工程及其自动化（1）班学号1230230007学生姓名陈梦力指导教师杨广映讲师完成日期2016年3月台州学院毕业设计（论文）学位论文版权使用授权书本学位论文作者完全了解学校有关保留、使用学位论文的规定，同意学校保留并向国家有关部门或机构送交论文的复印件和电子版，允许论文被查阅和借阅。本人授权台州学院可以将本学位论文的全部或部分内容编入有关数据库进行检索，可以采用影印、缩印或扫描等复制手段保存和汇编本学位论文。本学位论文属于□保密，在一年后，解密适用本授权书。□无密级。（请在以上相应方框内打“√”）作者签名：日期：2016年月日导师签名：日期：2016年月日表面肌电信号检测电路的设计DesignofsurfaceEMGsignaldetectioncircuit学生姓名：陈梦力Student:ChenMengLi指导老师：杨广映讲师Adviser:lecturerYangGuangYing台州学院物理与电子工程学院SchoolofPhysics&ElectronicsEngineeringTaizhouUniversityTaizhou,Zhejiang,China2016年3月March2016台州学院毕业设计（论文）1摘要表面肌电信号是人体肌肉收缩时在皮肤表面产生的一种生物信号，能够反映神经肌肉的活动，所以表面肌电信号在医学研究和体育研究等方面有广泛的应用。本文主要是介绍了对表面肌电信号检测电路的设计。肌电信号具有电压幅度小和低频率的特点。采集电路设计模块主要分为电极信号采集、仪表放大、高通滤波、低通滤波、带阻滤波、差分调压和电源供电电路[1-2]。最后通过采集卡传输到电脑上通过LabVIEW显示表面肌电信号。研究通过Multisim进行仿真验证，通过实验，电路板可以将表面肌电信号进行实时采集，并显示在电脑上，整体信号清晰。关键词表面肌电信号；仿真软件；检测电路；数据采集卡台州学院毕业设计（论文）2AbstractThesurfaceElectromyographysignalisabiologicalsignalgeneratedonthesurfaceoftheskinofhumanbodymusclecontraction,canreflecttheneuromuscularactivity,sothesurfaceElectromyographysignalhasbeenwidelyusedinmedicalresearchandsportsresearch.ThispapermainlyintroducesthedesignofsurfaceEMGsignaldetectioncircuit.TheEMGsignalhasthecharacteristicsofsmallamplitudeandlowfrequencyvoltage.Acquisitionmodulemainlydividedintoelectrodesignalacquisition,instrumentationamplifier,highpassfilter,low-passfilter,band-passfiltering,differentialvoltageandpowersupplycircuit.TheacquisitioncardistransmittedtothecomputerthroughtheLabVIEWdisplayofsurfaceEMGsignal.ThroughtheresearchontheMultisimsimulation,throughtheexperiment,thecircuitboardcanbesurfaceEMGsignalreal-timeacquisitionanddisplayonthecomputer,thewholeclearsignal.KeywordsSurfaceElectromyographysignal;Multisim;Detectingcircuit；Dataacquisitioncard台州学院毕业设计（论文）3目录1.绪论..................................................................................................................................51.1．肌电信号研究意义................................................................................................51.2．肌电信号研究发展................................................................................................51.3．本文研究内容........................................................................................................52．肌电信号生物基础和特征.............................................................................................62.1．肌电信号生物基础................................................................................................62.2．肌电信号的特征....................................................................................................73．肌电信号检测电路硬件设计.........................................................................................83.1．总体设计框图........................................................................................................83.2．肌电信号检测电路设计........................................................................................83.2.1.电极采集.......................................................................................................83.2.2.仪表放大电路...............................................................................................93.2.3.高通滤波电路.............................................................................................103.2.4.低通滤波电路.............................................................................................113.2.5.带阻滤波电路.............................................................................................123.2.6.差分调压电路.............................................................................................123.2.7.供电电源电路.............................................................................................134．肌电信号检测电路的Multisim仿真..........................................................................134.1．Multisim仿真环境介绍......................................................................................144.2．电路模块仿真测试..............................................................................................144.2.1.仪表信号放大电路仿真.............................................................................144.2.2.高通电路仿真.............................................................................................154.2.3.低通电路仿真.............................................................................................164.2.4.带阻电路仿真.............................................................................................185.硬件制作及安装.............................................................................................................195.1.肌电信号检测电路板制作..................................................................................195.2.数据采集卡安装..................................................................................................21台州学院毕业设计（论文）46．肌电信号检测系统调试..................................................................错误!未定义书签。6.1．调试方法及流程..................................................................................................186.2．调试中遇到的问题以及解决方法.........................................错误!未定义书签。6.3．数据记录与结果