国内超声波测距研究应用现状

221116TB55AResearchandapplicationstatusondomesticultrasonicrangingAbstract:Basedontheprincipleofultrasonicranging,thispaperdescribedthedomesticresearchstatusofultrasonicechosignalprocessing,newtransducersdesigning.Italsointroducedtheapplicationofultrasonicrangingtechnologyinthefieldofdomesticliquid-levelmeasure,mobilerobotobstacleavoidance,vehiclecollisionavoidanceandprofilemeasurementofsurface.Afterthat,thispaperanalyzedtheproblemsinrangingsystemandthesolutions.Thedevelopmentaldirectionandresearchprogressinultrasonicrangingwerealsopresented.Keywords:ultrasonic;ranging;echosignalprocessing;blindareaLIGe,MENGXiang-jie,WANGXiao-hua,WANGZhong-qiuSchoolofMechanicalandElectricalEngineering,ChinaUniversityofMiningandTechnology,JiangsuXuzhou221116,Chinatd/2dvt=vm/sDOICNKI:22-1343/P.20110113.1037.0112011-01-1310:37=×+()214504.210.0371.14350.175vTTSP=+−+−+TSPPaYangYichun(LMSTDE)YangYichunMFFTElmanElmantansigpureline0.2%Vmos15mAirducerAR3030m24.5kHz32m2%35m40kHz20kHzCygnal8051F330LED-11cm1340m/s0.6m/s23QiangLi,Zhang43cm56CCD[1][J]2009(4)[2][J]200726(12)[3][J]200832(4)[4][D]2007[5]LMS[J]2000(4)[6]YangYichun,MaChizhou.Algorithmstudyoffastandaccuratetime-delayestimationwithfineinterpolationofcorrelationpeak[J].ActaAcustica,2003,28(2):159-166.[7][J]200620(4)[8][J]200627(1)[9][J]200621(3)[10][J]200619(2)[11][J]200729(11)[12][J]200020(5)[13][J]200527(2)[14][J]200619(1)[15][J]200810-2[16]SOPC[J]2008(8)[17][J]200619(4)[18][J]2007(6)[19][J]200720(3)[20][J]200827(9)[21][J]200830(2)[22][J]200931(4)[23][J]200738(5)[24][J]200733(3)[25][J]200830(1)[26][J]2008(12)[27][J]200524(1)[28]QiangLiZhangY.P.ZhengG.Gain.FlatnessConsiderationsontheUltra-WidebandLow-NoiseAmplifierDesign[J].IEEETrans20056(4).[29][J]2009(1)[e-mail]2010-02-04