基于LabVIEW的智能溫度測控儀表的設(shè)計.pdf

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