便携式振动频谱分析仪

2005年Nios软核心嵌入式处理器设计大赛NiosIIEmbeddedProcessorDesignContest―OutstandingDesigns2005ThirdPrizePortableVibrationSpectrumAnalyzerInstitution:InstituteofPLAArmoredForceEngineeringParticipants:ZhangXinxi,SongZhuzhen,andYaoZongzhongInstructor:XuJunandWangXinzhongDesignIntroductionWedesignedaportablevibrationspectrumanalyzerbasedontheAlteraNiosIIsoftcoreprocessorandFPGA.Theinstrumentisusedinfaultmonitoringanddiagnosisofrotarymachines,whichareusedinbattletanks,armoredcars,andvehicleengines.Theoperationofthesevehiclesmaybeaffectedbyabnormalvibrationsfordifferentreasons,includingseriousaccidentsthatmaylowerfightingstrengthandproductivity.Tosolvethevibrationdiagnosticsproblem,we