油源恒溫模糊控制系統(tǒng)及其實(shí)現(xiàn).pdf

1、湖南大學(xué)碩士學(xué)位論文油源恒溫模糊控制系統(tǒng)及其實(shí)現(xiàn)姓名：胡愛(ài)蘭申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：機(jī)械工程指導(dǎo)教師：張桂香20060515蘭堡堡堡簍塑耋型至簍壘!!蘭竺一!!==!=========!=======!=!=====!!!======!=====!=E=====￡自0《自自=E!=========!=!=!====!=!=!!!#!=!!=!!!!!!!!!!!!!!!=!===拳AbstractThispapercomesfromap

2、rojectcalled“cooKngfanhydraulicpressurepump—hydraulicpressuremotordrivetestbed”foracertainacademeThistestbedismainlyusedtotest恤eperformanceofcoolingfan，hydraulicpressurepump，hydrau王icpressuremotorandotherhydraulicpressur

3、epartsThispapermainlydiscussestheoiltemperaturecontroningsystemforthetestbedAccordingtotheexperimentrequirement，itisnecessarytokeeptheoiltemperatureinacertainscope，particularly，thetemperaturenuctuationisdesiredtobeaccura

4、telycontr01ledtobewithin士l℃whendoingheatexperimentsAsthemaximumoiltemperatureisl30℃，anditiscomplextoes“matetheinnuenceofeachtheoiltemperaturecontrollinghasbecomehydraulicpansontheoiltemperature，soabottleneckprobleminthis

5、projectFirstly，basedontheintegraldesign0rthehydraulicpressuresystem’stemperaturecontrollingmethodsanditsequipments，thispaperchoosesDSP(DigitalsignalProcessor)asthecorefbrsignalcollectingandprocessingsystemAstoensurethefi

6、nalaccuracy，multifUzzyconn‘ollersareplacedinseries，sothetemperaturenuctuationisreducedgraduallyAstothehardwaredesignofthecontrolsystem，amultl一channelsynchronousdataacquisitionandprocessingsystemisdesigned，whichisusedtoco

7、llectthetenlperaturesignalsofthehydraulicpressuresystemindif=暗rentplacesThedataacquisitionsystemincludesmanymodulessuchaspowersupplymodule，repositionmodule，externalEEPROMmodule，crystaloscillatormodule，externaldatabusexpe

8、ndinginterface，JTAGinterface，analogsignalsacquisitionmodule，asynchronousserialcommunicationinterface，D／Aoutputmodule，etcThedesignmethodandconcretecircuitdiagramsfora11ofthesemodulesareprobedindetailAstothecontrollingmeth

9、od，thispapermadeanattempttocomparethreekindsoffuzzycontrollingmethodtobeappliedinthetemperaturecontrollingsystem，includingGeneralFuzzyControllef，Auto—tuningParameterFuzzyPIDContr01lerandselfadjustingParameterFuzzyControl

10、lerFinally，thecontrollingperformanceoftraditionalPIDcontrollerandFuzzyPIDControllerarecomparedthroughthewayofsimulationbyusingMatlabThesimulationresultsshowthattheFuzzyPIDcontrollerhasbetterRobustperformance，fasterrespon