HART总线在智能雷达液位仪中实现.pdf

ABSTRACTABSTRACTRadarLeVelins协mlemisaIIlicrowavemeasurementteclulologyofhigh—precisionnon—contactlevelmeaSurementinstnlments,,itisdif!ficultt0adaptt0tllecu盯entlevelmeasurement跏tomationsystem’—.:HARTProtocolischaracterizedbyt11eexisting强alog们nsmission,muIlications,ountmesimulationsystema11dⅡlepe墒mlancecharacteristicsofdigital夥stems,∞birletIleadvaIltagesoftIlet、Ⅳ0,【mIIIlic撕onmodule,mak试garada卜LevelHARTinterfacefeatu_res,matbasedonHARTmefomationoflargec娜of协du矧alliquidleVelmeasurementCon的lm铆ork,Ⅳestigationoft11em砌【etofRadarlevelinsm】IllentmeasurememSyStem觚dperf-0n】[1ancerequirements,ordingt0也ereq毗d如lnctions觚dperf0如:姗∽,acomp锄yin仃0ducedmeuseofSmarHT202mode皿basedont11euseofⅡleMCUprotocollayer,abe讹rbalanceb曲Ⅳeenpe—'omaIlce觚dsystemcontrolmaIluf砬turingcosts,,usingClang眦培eaSsistedwimaussemblylanguageprogramstllesystem’sSo小^,-timecon仃DltaSks,pletc也oseunreal-timecon廿oltasks,WhichcannotomyimproVet11eef!ficiencyofpro鲈amlning锄dt11emaintenanceof廿1epro铲am,butalsopr0Videt11esystem谢nlgoodreal—timepe—’,:mullication,HART,IntelligentradarleVelins仉蚰ent,FSK,Looppowersupplier,Prima巧Master,SecondaD,。尽我所知,除了文中特别加以标注和致谢的地方外,论文中不包含其他人已经发表或撰写过的研究成果,。签名:日期:二oo八年七月十五日关于论文使用授权的说明本学位论文作者完全了解江南大学有关保留、使用学位论文的规定:江南大学有权保留并向国家有关部门或机构送交论文的复印件