基于arm的手持式振动数据采集系统研究

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1、华北电力大学硕士学位论文摘要随着振动监测与故障诊断技术的应用与普及，对振动测试分析仪器的性能要求也在不断提高。为了提升现今便携式振动分析仪器的性能和功能，本文运用嵌入式系统技术，开发了基于ARM技术的新型手持式双通道振动采集与转速测量系统。仪器采用基于ARMg技术的53C2440为CPU和具有24位转换精度的模数转换器ADS1274，配置了高分辨率TFT彩色液晶触摸显示屏LS037V7DW01，键盘，并利用SD卡进行扩展存储，通过USB把数据传入PC机。针对系统硬件开发了基于WindowsCES.0嵌入式操作系统的硬件驱动程序。采用FIQ中断方法解决中断响应速度不及时的

2、问题，测试表明，系统满足现场振动数据采集分析的要求。关键词:状态监测，嵌入式系统，数据采集，ARM，WindowsCEABSTRACTWiththeaPPlieationandPoPularityofvibrationmonitoringandfaultdiagnosistechnology，therequirementofmeasurementandanalysisinstrumentsforvibration15alsoraising.InordertoenhanCetheeurrentPerformaneeandfunetionofPortablevibratio

3、nanalyZer，byusingthetechniqueofe舆beddedsystem，newhandheldvibrationanalyzerbasedonthe53C2440，32一bitARMgCPUandtheADS1274，24一bitanalogtodigitalconverter，15Presented.TheLS037V7DW01，TFT-LCDtouehsereenwithhighresolutionwasemPloyed.ThesystemwithkeyPad，SDeardtoexPandmemorywasdesigned，andconneete

4、dtoPCfordatatransmissionbyUSB.ThehardwaredriversbasedonWindowsCE5.0that15anembeddedoPeratingsystemhasbeendeveloPed，theProblemwithinterruPtionresPonsesPeedslowlyhasbeensolvedbythefastinterruPtionteehnology.It15ProvedthatthesystemeanmeettheneedsofsamPlingandanalyzingofvibrationsignalsinfie

5、ld.TangBin(PowerMaehineandEngineering)DirectedbyProf.HeQingKEYWORDS:Conditionmonitoring，Embeddedsystem，Data一aequisition，ARMWindowSCE华北电力大学硕士学位论文目录中文摘要英文摘要第一章引言····················································································································……11.1选题背景···

6、····································································································，········……11.2设备状态监测和故障诊断技术及其发展趋势······，·············································……21.2.1设备状态监测和故障诊断技术··································································……21.2.2振动检测技术及

7、其发展趋势······································································……41.2.3振动检测仪器技术及其发展趋势······························································……41.2.4便携式振动采集系统发展趋势··································································……51.3嵌入式系统及其发展趋势·········