青藏鐵路凍土地溫的自動檢測系統(tǒng)與建模研究

1、北京交通大學碩士學位論文青藏鐵路凍土地溫的自動檢測系統(tǒng)與建模研究姓名：尚迎春申請學位級別：碩士專業(yè)：機械電子工程指導教師：齊紅元蔣秋華20071201△墾工墜￡冱ABSTRACTAimedattheinfluenceofvariablestateofthehighaltitudeandlowIatitudepermaffostonthesafetyoftheQinghaiTibetRailwayinordertoensuretherea

2、lizationofrailwayengineeringtestingofpermafrosttemperaturebecomesakeysubjectpresentlyAfterexaminingtheachievementofpermafroststudynationwideandworldwide，anautomatictestings”temofpermafrosttemperaturehasbeendesigned，conta

3、iningamastercomputerandsomeslavecomputersasfollowsFirstlythermistorsareused勰temperaturetransducersandalearrangedattestingpointsalongverticaldirectionofthetestlocationTheslavecomputerconsistsofanMCUmodule，atimesystem，anAD

4、module，amemorysystemagatingmoduleacommunicationsyStem，apowermanagingsystcmahumiditytestingsystemandasourcetestingsyStem，thus，acquiringthetimelycollectedpermafrosttemperaturedata，Meanwhile，usingtheADOdatabase，communicatio

5、nsandothertechnologythemastercomputerCananalysethevariableparametersofthepermafrosttemperatureSecondlyappliedtoQingllaiTibetRailwaytheautomatictestingsystemofpermafrosttemperaturehasrealizedkindsofdataprocessingsuchasthe

6、computationmanagementandanalysiswiththehelpofCBuilderanddatabaseTakingsomelocationsforexamplesoftestingpermafrosttemperaturethevariouscharacteristicsofpermafrosttemperatureintestingholesaleanalyzedFinallyusingthecollecte

7、ddataaBPmodelhasbeendeterminedtopredictpermafrostcharacteristics，andsupporttheoperationsafetyoftheQinghaiTibetRailwayTakingthepermafrosttemperatureofthecrosssectionofDKl278forallexample，thepredictionmodeloftemperaturesat