基于fpga和mcu的硬幣鑒別系統(tǒng)設計

1、哈爾濱理工大學碩士學位論文基于FPGA和MCU的硬幣鑒別系統(tǒng)設計姓名：楊曉偉申請學位級別：碩士專業(yè)：@指導教師：董靜薇201103哈爾濱理T人學下學碩I：學位論文DesignofCoinDetectingSystemBasedonFPGAandMCUAbstractEconomyisdevelopingandpopulationisincreasingintoday’Sworld，thecurrencyisgrowingincircul

2、ationParticularly，thesmalldenominationcoinshavelargeusageratesinthecurrencycirculation，withitsfeaturesofWeal“andeasyUSeWiththeemergenceofsomeautomaticequipmentsuchasvendingmachines，payphones，automaticticketingsystemandpu

3、blictransportationinlife，wehavemoreandmoreopportunitiestousecoinsHowevef，theemergenceofalargenumberofcounterfeitmoneymakesinstallingcoinidentificationdevicebecomeindispensabletechnologytoolintheseequipmentsThispaperdescr

4、ibesthedesignofalow—cost，high—accuracyandfastcoinidentificationsystemThesystemusesahighfrequencyreflectionsensorandalowfrequencytransmissionsensortodetectcoins’material，thickness，diameterandotherinformationThehighfrequen

5、cyreflectionsensordetectsmaterial，surfacetextureofcoins，thelow—frequencytransmissionsensordetectscoins’thickness，diameterandotherdimensionsinformationBylow—frequencysensorconditioningcircuitsandhighfrequencysensorconditi

6、oningcircuit，theinformationofcoinswasconvertedaspowerunits，andtheseunitswerecollectedandprocessedbycollectionsystemThesystemsignalacquisitioncircuitUSeSFPGAasitscoretocollectandprocessthecoinfeaturesfastlyandeffectively，

7、relyingonhigll—speed，high—precisionfeaturesofFPGAAfteracquisitionandprocessing，characteristicdataofthecoinwassentintoMCUCoinidentificationwascompletedbycomparingcharacteristicvalueofthecoinandcharacteristicvalueofthereal