预览加载中，请您耐心等待几秒...

基于FPGA和DSP的MIMUGPS组合导航系统设计.docx

预览
1/2
2/2

在线预览结束，喜欢就下载吧，查找使用更方便

下载提示 文本预览

如果您无法下载资料，请参考说明：

1、部分资料下载需要金币，请确保您的账户上有足够的金币

2、已购买过的文档，再次下载不重复扣费

3、资料包下载后请先用软件解压，在使用对应软件打开

基于FPGA和DSP的MIMUGPS组合导航系统设计 Abstract: Withtheincreasingdevelopmentofnavigationandpositioningtechnology,thecombinationofdifferentpositioningsystemshasbecomeapopularresearchtopic.Inthispaper,aMIMUGPScombinationnavigationsystembasedonFPGAandDSPisproposed.ThesystemintegratesMEMS,IMU,GPS,andothersensorstoachievehigh-precisionpositioningandnavigation.Thedesigndetailsofthesystemareexplained,andtheexperimentalresultsshowthattheproposedMIMUGPScombinationnavigationsystemachieveshighaccuracyandstability. Keywords:MIMUGPS,FPGA,DSP,navigation,positioning Introduction: Withtheincreasingdemandforhigh-precisionpositioningandnavigation,theuseofmultiplesensorsfordatafusionhasbecomeapopularresearchtopic.InthetraditionalGPSnavigationsystem,theaccuracyofpositioningislimitedbyvariousfactorssuchassignalinterference,signalattenuation,andmulti-path.Toovercometheseissues,theintegrationofmultiplesensorsisapossiblesolution. TheMIMUGPScombinationnavigationsystemproposedinthispaperisbasedonthecombinationofMEMSsensors(accelerometer,gyroscope,andmagnetometer),GPSreceiver,andothersensors.Thesesensorsareusedtomeasuredifferentphysicalparameters,suchasacceleration,angularvelocity,andmagneticfield.Thecombinedmeasurementdataisthenprocessedbythesystemtoprovidehigh-precisionpositioningandnavigation. DesignandImplementation: TheproposedMIMUGPScombinationnavigationsystemisimplementedusingFPGAandDSP.TheFPGAisusedtoreceivedatafromthesensors,performdatapreprocessing,andtransmitdatatotheDSPforfurtherprocessing.TheDSPisusedforhigh-speeddataprocessinganddatafusion. TheMEMSsensorsmeasuretheacceleration,angularvelocity,andmagneticfieldinthreedimensions.TheGPSreceiverprovidesposition,velocity,andtimeinformation.ThedatafromthesesensorsispreprocessedbytheFPGAbeforesendingittotheDSP.Thepreprocessingincludesfiltering,calibration,andcoordinatetransformation. Thefilteringisusedtoremoveanynoiseandunwantedsignalsfromthesensordata.Thecalibrationisusedtoremoveanybiasandscaleerrorsinthesensordata.Thecoordinatetransformationisus