基于蓝牙传输的脉搏信号检测系统的设计与实现

:167325196(2009)04200782061,2(1.,730050;2.,730050):,PVDF.,,J2ME,,,.:;;;:TP273:ADesignandrealizationofpulsesignaltestsystembasesonbluetoothtransmissionZHANGAi2hua1,WANGJing2hui2(1.CollegeofElectricandInformationEngineering,LanzhouUniv.ofTech.,Lanzhou730050,China;2.CollegeofComputerandTele2communication,LanzhouUniv.ofTech.,Lanzhou730050,China)Abstract:Apulsesignaltestsystembasedonwirelessbluetoothtransmissionwasdesigned,inwhichaPVDFpulsesensor,signalmodulationcircuit,dataacquisitioncircuit,bluetoothwirelesstransmissionmoduleanddisplayingmodulefordatareceivedfromsingle2chipcomputerwereincluded.Thetestresultshowedthatthesystemcouldacquirereal2timepulsesignalofhumanbeing,thedatawasthensenttomo2bilephoneprogrammedwithJ2MElanguagethroughwirelessbluetooth,thereceivedsignalwaveformcouldbedisplayedonthemobilephoneandprocessedfurtheraswell,sothattheremotesupervisioncouldberealized.Keywords:pulsesignal;bluetoothtransmission;realtimeacquisition;mobilephone,,,..,,[122].,.,,,,[3].,,,:2008212222:(30670529),(Z200522262007):(19642),,,.,,.GPRS,[4].1.PVDF,1.PVDF(),PZT1020,1/4.(0.110MHz),,[5].1.1PVDFPVDF,35420098JournalofLanzhouUniversityofTechnologyVol.35No.4Aug.2009,PVDF,16mm2,.,,.,.,.1PVDFFig.1Cross2sectionofPVDFfilmandtransducer,1,,.[6]D=dF+TE(1)S=sEF+dTE(2):d,d=[dij],i=1,2,3,j=1,2,,6;F,F={F1,F2,F3,F4,F5};s;T.z,F30,E=0(2),(1)D3=d31F1+d32F2+d33F3+d15F4+d15F5(3)2PVDFFig.2SchematicdiagramofstrainofPVDFd33md15,hnl,hnw,,d15=0,Ti=0,i=1,2,4,5.(3)D3=d33F3(4),(2)S3=sE33F3(5)(4,5)D3=d33sE33S3(6)sE33=5S35F3EE=0:sE33=1/Ep(7):EpPVDF.(7)(6)D3=Epd33S3(8),Q(t)=Q(t0)+Epd33l0w0S3dxdy(9)lw,(8)Q(t)=Q(t0)+Epd33S3lw(10):Q(t0).,Q(t0)=0,Q(t)=Epd33S3lw(11)(11),PVDFS3,,.,(4).Q(t)=D3A3=d33F3A3(12),,A3=1,Q(t)=d33F(t)(13):d33,CN,;F(t).1.2,PVDF()HK22000C..:1);2);3);4),,.:56VDC;-6.65+39.9kPa;110-4/;15037.6V/kPa;0.5%;0.5%;0.5%;100.,,,.,.1.3PVDF,974:.,,,:1)PVDF,;2).,,,,.2,,..,,,.:1);2),,;3),,,.,ATmega32,,RS232,3310,.3.3Fig.3Schematicdiagramofsystemstructure2.1ERICS2SONROK101008,ATMELATmega32.ROK1010084:UARTPCMUSBI2C,UART460800bit/s,57kb/s.PCMPCM(1316bit)A(8bit)(8bit)PCM.T2,50.,,PCBF.ATmega32UART.3.3V,ATmega325V,ATmega32,AT2mega32,,4.4UART,2TXDRXD,RTSCTS[8].4Fig.4Designdiagramofbluetoothandsingle2chipcomputerinterfaceUART57.6kb/s,8,1,.PC:ATmega32,PCATmega32,ATmega32PC,PC,,,ATmega32PC,PC.2.2HCI.HCI3,HCI0835HCIHCI.,ACL.BigEdian()[9].HCIAPI[10],2.5.5Fig.5Bluetoothworkingflowchart3,,,.,,,..ZM21[11].6(h)(t).,.h1;h2;h3;h4;t1;t2;t3;t6Fig.6Relationshipcurveofamplitudevstimeofpulsevariationh2h1:.,,.h2h1,;h2h1,1,,,.,.h3h1:.,,h3h1;,,h3h1..h4h1:.,,h4h10,;,,,,h4h1.t1t:.,,t1t.t2-t1t:.,t2-t1t.t2t3:.t2t31..184:4,200Hz.,RS232PC,PCLabVIEW,7a..J2ME(WirelessToolkit,).jar,7b.(a)(b)7Fig.7Dataofpulsevariation7,.bit,20,DM31%,.(h)(t).,.,810.8Fig.8Analysisinterfaceofpulsedata9Fig.9Informationparametersforpulsedataanalysis10Fig.10Analysisconclusionsofpulsedata28355,,,,,GPRS,.,.,,,.,,.:[1],,.[J].,2004,10(2):69271.[2]CHOIKH,KIMDY,SUNGJ,etal.Arecordingoftheradialpulsewavesystemusingphotoplethysmogram[J].SICEAn2nualConferenceinOkayama,2005,11(2):8210.[3],,.PDA[J].,2007,5(31):3442347.[4],,.[J].,2006,5(30):3492351.[5],,.PVDF[J].:,1999,39(8):1172120.[6],,.PVDF[J].,1999,21(2):1222126.[7],,.[M].:,2001.[8],,.BlueCoreUSBUART[J].,2003,30(7):36239.[9],,,.[J].,2006(8):2062208.[10],.HCI[J].,2002,19(12):328.[11].[M].:,2003.384: