!#,,(,100072):,():;;;:TH133.331;TP39115:B:1000-3762(2005)08-0033-04APortableBearingTestingandDiagnoisSystemXUZhen-hui,GAOYu-shui,XUZhong(ArmoredForceEngineeringInsititute,Beijing100072,China)Abstract:Theoveralldesignofaportablebearingtestingandfaultdiagnosissystemisintroduced,whichadoptsthefusiondiagnoseschemeofvariationsignalandacousticsignalandwirelesscommunication.Thesystemconfigurationisanalyzedfromhardwareandsoftwareaspects.Andthebearingvirtualtestinganddiagnosingsysteminhostcomputerismainlyintro2ducedfromthefunctionanddevelopedenvironmentofthesoftware.Thevalidityofthesystemiscertifiedbyanexample.Keywords:rollingbearing;testing;faultdiagnosis,,,,1,,,,:2005-05-10:2005-06-07:(1979-),,,,,,,,,,,,,,,,,[1](1)()f=12(1-DwcosE)nZ(2)()ISSN1000-3762CN41-1148/THBearing200582005,No.833-36©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.f=12(1+DwcosE)nZ(3)()f=Ed[1-(DwcosE)2]n(4)()f=12(1-DwcosE)n:Dw,mm;E,mm;,();n,r/min;Z,2;:[2],,,,;,,,,,,:,,LCD,;,RS2321:(1),,,,(2),,,;,,,(3),,,13,MCS51,,,22,,,432005..8©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,88051,(LCD)RS232(),,4,,,,,,,,,411,3341111LabWindows/CVI,[3]41112MATLAB,,,,41113,,,,41114,,412C++Builder,Matlab,LabWindows/CVI34453:©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.56205,f=76Hz5,,5,6,76Hz,,69918%,:[1]1[M].:,2001.[2]1[M].:,20011[3],1[J].,2001(3):23-241(:):,,,,:1.,2.,3.:(0379)64882996:632005..8©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.