微波加熱瀝青路面熱再生養(yǎng)護機溫度控制系統(tǒng)設計及實驗研究.pdf

1、長沙理工大學碩士學位論文微波加熱瀝青路面熱再生養(yǎng)護機溫度控制系統(tǒng)設計及實驗研究姓名：任武申請學位級別：碩士專業(yè)：機械設計及理論指導教師：李自光游小平20100401ABSTRACTTheenergyofmicrowaveheatingcomesfromtheInternalelectromagneticfieldchangesofdielectricmaterialDuringthecoursetheenergyisabsorbedan

2、dconvertedintoheatwhenelectromagnetlcwaVeentersfromthesurfaceintothemediumandtransmitsinitsinternalaswe兒itwillnotreduceeitherin—depthdielectricoronsurfaceM1crowaVeheatingrecyclingtechniqueofasphaltpavementisbasedonthepri

3、ncipleThetemperaturegradientofitsheatingissmall，besidesheatingdlstrlbutesishomogeneousandtheprocessishighlyefficientConventionalternperaturecontrolmethodsbymicrowaVeheatlngarePIDcontr01，twodegreefreedomPIDcontrol，fuzzyco

4、ntrolTheoreticalmodelsisrelatedtoelectromagneticfieldsandheattransfercontrolequationBecauseallthepropertiesofasphaltmixtureVarYwltntemperatureitisunrealistictodeterminetherelationshipbetweenth鋤，thereforeweonlyselectthema

5、inparametertostudywhiletheremalnlngparametersareassumedtobeconstantBvthesimplifyingmodel，temperaturecontrolsystemtransferfunctlonisestablished，andthenbyusingfuzzyPIDcontroltheparametersaresimulatedonlineItisthefirsttimet

6、hatfuzzy。PIDcontrolhasbeenused1nasphaltpaverheatedbymicrowaveInthemicrowaveheatingequipmentinasphaltpaVementrecycllnganditstemperaturecontrolexperiment”，itrespectivelysetthelrradlatlonangledeclinationofmicrowaveheatingma

7、gDetronforOO，l5O20O，30O，limitstheheatingtimein5min，10min，15min，20min，controlsheatingheightfor5cm10cm，15cm，20cmandselectsmeasuringdepthforOcm，5cm9cm，15cmItteststheimpactoftheseparameterstotemperatureandfitcertainfunctionc

8、urvesAnditCOmpareswiththedatawithoutfuzzY。PIDcontr011erFinally，recyclingmaintenancetechniqueofasphaltPaVementofmicroWavehcatingiSprospectedKeyw。rds：Micr。waveheating；Heatingprinciple；Temperaturec。ntr。l；HeatingexperimentIl