基于LabVIEW的智能溫度測控儀表的設計.pdf

1、武漢理工大學碩士學位論文基于LabVIEW的智能溫度測控儀表的設計姓名：張偉申請學位級別：碩士專業(yè)：控制理論與控制工程指導教師：劉紅麗20090501武漢理工大學碩士學位論文AbstractWiththedevelopmentofscienceandtechnologytheapplicationofelectronicmeasurementtechnologyhasextendedtomorefieldsthanbeforeDueto

2、limitedfunctionsandbigsize，traditionalelectronicmeasuringequipmentsarenolongersuitabletodemandofmeasurementinpracticeWiththerapiddevelopmentofintegratedcircuitandcomputertechnology，anewkindofinstrument，Virtualinstrument，

3、cameintobeingintheendofthe80sComparedwithtraditionalequipment，Virtualinstrumentcharacterizeswithmorefunctions，higherprocessingspeed，higherefficiencyandbetterexpandabilityAstheintegrationofcomputertechnologyandmodeminstru

4、menttechnology，virtualinstrumentmaketherevolutionarybreakthroughintheconventionalmeasuringtheoryandtechniqueElectricovenisakindofnon—linearity，timevariability，andlargetimelogobjectItisverydifficulttoexpressitscharacteris

5、ticusingprecisemathematicmodelSowecan’tobtainthehighperformanceusingtheconventionalPIDcontrolmethodThegeneticalgorithmsisbasedonnon—mathematicmodel，thatistosayweneednotestablishtheaccuratemathematicmodeloftheobjectThisth

6、esishasstudiedtheinherentmechanismofthetemperaturecontrolsystemofelectricoven，consideringkindsofelement，establishedthemathematicmodelofelectricOVenandprovedthatoftemperaturecontrolsystemofelectricovenissingleorderlargeti

7、melogobjectThisthesishasstudiedthecharacteristicsofconventionalPIDcontr01andgeneticalgorithmsrespectivelyTheselfturningPIDcontrollerbasedongeneticalgorithmisdesignedThecontrollercombinestheconventionalPIDcontrolwithgenet

8、icalgorithmsorganicallyThethreeparametersofP1DcontrollercanbeautomaticallycalculatedItavoidsthetroubleofmanualworkThesimulationresultsdemonstratethattheselfturningPIDcontrollerbasedongeneticalgorithmhasmoreadvantagesfors