基于牽引系統(tǒng)信息的高速列車弓網(wǎng)受流檢測(cè)技術(shù)研究.pdf

1、浙江大學(xué)碩士學(xué)位論文基于牽引系統(tǒng)信息的高速列車弓網(wǎng)受流檢測(cè)技術(shù)研究姓名：李國堯申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電氣工程指導(dǎo)教師：方攸同20120307浙江大學(xué)碩士學(xué)位論文AbstractThisthesisreliesontheprojectof863plananditismainlyresearchinghighspeedtraindetectiontechnologyofPantographCatenaryCurrentCollection

2、CatenaryisthesourceofenergyforhighspeedtrainrunningPantographCatenaryCurrentCollectionperformancedirectlyimpactsontrainrunningsafetyandstabilityPantographCatenaryrelationship，wheeltrackrelationshipandfluidsolidrelationsh

3、ipconstitutethelligh—speedtrainsystemdynamicscouplingrelationshipTherefore，researchPantographCatenaryCurrentCollectionhasgreatsignificanceforhi曲speedtrainInthisthesis，thedetectionschemefordetectionPantographCatenaryelect

4、ricalparameters，asconventionaltestingequipmentdetectsonlyvalidvalues，thisschemedetectsvoltageandcurrenttransientandsteadystateThedetectionaddsthemutationpoimpositioning，thevoltagemutationsamplitudeandharmonicdetectionDSP

5、chips，becauseofitsfastdataanalysisandcalculationcapabilitybasedontheFouriertransformandwavelettransformalgorithm，achievesrapidandeffectivedetectionofthePantograph—CatenarydatasignalLabview豁receiveinterfaceofthehostcomput

6、ermakesdatesstorageanddisplayeffectivelyUsingMatlabWaveletToolbox，wecansimulatewaveletde—noisingprocess，makesignalwaveletdenoisingThisCaneasilyadjustthewaveletfunctionandthesoftandhardthresholddenoise，andchangethethresho

7、ldsize，providethechoiceoftheactualwaveletfunctionguidanceThisthesisresearchesforthedetectionoftheelectricalparametersofhighspeedtrainpantograph—catenarysystemItmakesthecomprehensivetestingofthePantographCatenarysystem，an