基于AVR与DDS技术的超声波电源研制-(1)

《》(SOC)2010267-2360/：82-946《200》AVRDDSDesignofUltrasonicGeneratorBasedonAVRandDDSTechnology()SUNKe-junLONGZhi-liWUYun-xinQIHuan:500kHz、3.2、。AVRDDS,;,,。,、LCD、、,、、。:;AVR;DDS;:TN98:AAbstract:Anultrasonicgeneratorwithfrequencyadjustedfreelyandautomaticfrequencytrackingisdesigned.Byintegratingthead-vancedtechnologysuchasAVR-microcontrollerandDDSchip,thisgeneratorcanoutputanyfrequencyandthendrivinganyworkingfrequencyofthetransducers.ByusingD-triggerandmaximum-currentmethods,thegeneratorcanpreciselytrackthetransducersforstableresonancevibration.Inadditions,theultrasonicgeneratorincludesmanyfunctionssuchasseveralwavechoice,LCDdisplay,Keyboardinput,over-currentprotectionandautomaticfrequency-sweep.Thisgeneratorcanbeusedinmanymachinessuchassemiconductionwirebonding,medicineultrasonicandultrasonicmetalmill.Keywords:Ultrasonicgenerator;AVR;DDS;Frequencytracking:1008-0570(2010)07-2-0120-021,、,、、、、。。,、,。,、、,,,。,,。DDSAVR,,500kHz、3.2,。,。2。:AVR、DDS、。AVRAt－mega64,DDSAD9852,,RS232PC,。,、,。VisualBasic,:、、。,,、、,、AD9852,,,,1。12.1AD9852。ADDDS,、D/A,,。DDS、248、214、、212DAC、、I/O。AD9852。60MHzAD9852、。2n:::;:;:(50605064);:;:;:(2007FJ3098)120--：82-946360/《PLC200》,M,K,Fo,F,:60MHz,Hz。AD985212,12。SPI,AD9852,。2.2。,。2.2.1,。D。,,D,DD,DCP。,D“0”,,D“1”,2。D,,。2D,。。2.2.2,;,,。,,,,。,,。2.33,,,。,(),(),,。,,,。:、,,,、。2.4VisualBasic,。,。、、、。,。,、。、、、。,、、。4。4364K、138K,564kHz。:,CH1,CH2。,,,。564K4AVRDDS。500kHz,。,、、LCD、、。,,,、、。(119)210-121--：82-946360/《PLC200》osip_message_set_content_type(invite,“application/sdp”);eXosip_lock();i=eXosip_call_send_initial_invite(invite);eXosip_unlock();:intret;ret=eXosip_call_terminate(call_id,dialog_id);if(0!=ret){printf(“hangup/terminateFailed!”);}5Wifi,,。IP,IPIPSEC,。。,RTP,SRTP,,。SRTPAES-CMHMAC_SHA1,SRTP:SRTP—,—RTP,,。:SRTP:status=srtp_init();/*,srtp*/if(status){printf(error:srtpinitfailedwitherrorcode%d\n,status);exit(1);}rtprtcp:crypto_policy_set_rtp_default(&policy.rtp);crypto_policy_set_rtcp_default(&policy.rtcp);srtp,:srtp_create(&srtp_rcvr,rcvr_policy);status=srtp_protect(srtp_rcvr,hdr,&len)6,,。SIP,,。[1]RFC3261SIP:SessionInitiationProtocol[2]RFC3711-TheSecureReal-timeTransportProtocol[3].VOIP,,2007.[4],,VxWorksVoIP,2007[5].SIP,,2007.:(1986-),,,,;(1948-),,,,,:。Biography:SUNYu-dong(1986-),male,zoucheng,Shandongprovince,Postgraduate,Researchdirection:EmbeddedSystem.(125105):(125105188061)(:2009.09.15)(:2009.12.15)(121):,,,。[1],.,,2007,23:12-1[2],,,.,,2006,17(15):1613-1616[3],,,.,,2006,27(12):21-24[4]..,1998,17(2);16~20[5],,,/,,2007(10),14-19.[6]AnalogDevicesAD9852datasheet[S].2000.[7]FroggattMarkE,AllisonSidneyG.PulsedPhased-lockedLoopCalibrationOverFrequency.IEEETransonInstrumentationandMeasurement,1996,45(1):123-126.[8]LONGZhili,WUYunXin,HANLei.MeasurementofDrivingElectricSignalandInputImpedanceAnalysisofPZTTransducerinThermosonicBonding.TheSixthIEEECPMTConferenceonHighDensityMicrosystemDesignandPackagingandComponentFailureAnalysis(HDP'04)June30-July3,2004.322-325:(1984-),(),,,;(1976-),(),,,,。Biography:SUNKe-jun(1984-),Male(Han),HuNanProvince,CentralSouthUniversity,Graduatestudent,MainlyforresearchonMechanicalandElectricalEngineering.(410083)(CentralSouthUniversity,HunanChangsha,410083,China)SUNKe-junLONGZhi-liWUYun-xinQIHuan:(410083306)(:2009.09.10)(:2009.12.10):121B812:100081:010-62132436010-82168297(T/F):10:360119--