冷庫冷分配設備能量匹配的計算機模擬與模糊控制的仿真.pdf

1、上海水產大學碩士學位論文冷庫冷分配設備能量匹配的計算機模擬與模糊控制的仿真姓名：曾春利申請學位級別：碩士專業(yè)：制冷及低溫工程指導教師：葛茂泉2001.6.1●上海水產大掌碩士學位論丈ABSTRACTThispaperconsistsoftwopans：thefirstpartisthecomputersimulationontheenergymatchingofthecooling—loaddistributionequipment，t

2、heotherisMATLABsimulationonthefuzzycontrolofthecooling—storetemperatureThecoolingloadmodelsandtheammoniamulte—compressormodelareestablishedinthefirstpartofthispaperThewallcoolingloadmodelisestablishedwiththetransfer—func

3、tionmethodThegoodscooling—loadmodelisestablishedwiththemathematicaldifferencemethodOnthebasisofthedataprovidedbythefactorythefit—curvesoftheammoniacompressoraleworkedoutwiththeminimuntwomultiplicationmethodAccordingtOthe

4、principleoftheheatbalance，thecomputersimulationprogramisworkedoutbyClanguageandcarriedoutAtwoinputandoneoutputfuzzycontrollerisdesignedaccordingtothedataprovidedbythesimulationresultsofthefirstpartThefuzzycontrolsimulati

5、onisimplementedwithMATLAB53simulationsoftwareComparedwiththeresultsofthePIDcontrollertheresultsofthefuzzycontrollershowthatthegiventemperatureisreachedmorefastandtemperaturefluctuationissmallerFurthermore，thequantityprov

6、idedbythecompressormatcheswiththatofcoolingloadFromtheabove，fuzzycontrolusedinthecoolingstoretemperatureisamoreidealcontrolmeth0HdThispaperonlyinvolvesinthesoftwareofthefuzzycontrolThehardwarewillberesearchedfurtherKEYWO