工廠化漁業(yè)生產(chǎn)中多參數(shù)水質(zhì)監(jiān)測儀的研制.pdf

1、中國海洋大學碩士學位論文工廠化漁業(yè)生產(chǎn)中多參數(shù)水質(zhì)監(jiān)測儀的研制姓名：楊梅申請學位級別：碩士專業(yè)：信號與信息處理指導教師：劉濱2003.6.10TheDesignofAKindofMultiparameterWaterSurveyInstrumentforAquacultureIndustryAbstractAimingattheactualitythatautomationtechnologyisexactlyneedinaquacul

2、tureindustryofourcountryakindofmultiparameterwatersurveyinstrumentisdesignedinthisdissertationtofittheneedsofourcmmtry’SaquacultureindustrywhichCallcontinuouslyonlinemeasurefivewaterparameters：watertemperature，waterdepth

3、，acidity／alkalinitydissolvedoxygensalinity；severalsuchinstrumentsassub—equipmentcallbejoinedbyRS485BUS，whichcomposealocalareanetworkwithasup—eqnipment(industrialcontrolcomputer)，realizingmulticollectingandsimultaneityins

4、pectingApplyingautomationtechnologytoaquacultureindustryhasgrandsignificanceoftheoryandpractice，andduetothesituationofourcountrythatwehavedroppedfarbehinddevelopedcountriesinthisfiledandwehavelargepopulationtheburdenoffi

5、sherymanufactureismoreheav弘SOmakinggreateffortstoimprovetheautomationlevelinfisherymanufactureisbecomingthemosturgentsituationandintheendofthefirstchapterthedevelopmentorientationofequicultureautomationisindicatedTheseco

6、ndandthirdchapterintroducethedesignofhardwareandsotPvareofthemultiparameterwatersurveyinstrument，andnon—electricsignalstobemeasuredarecollectedrespectivelybytemperaturesensorpresssensorPHelectrode，dissolvedoxygensensorco

7、nductivitysensorTherehasexpatiationontheprincipleofthesefivesensorsinthispartandemphasizeonthesign越modulationcircuitandthentheMCU，A／D，communicationcircuitareineducedSothiswatersurveyinstrumente越eollectsimulationdataandco

8、nvertthemtonumeral，andthencommunicatewithacomputerTobuildupa藕眥integratedmeasuresystem，applicationappliedtoindustrialcontrolcomputerisintroducedinthefourthpartIninitialstagesofdebugging，eontrotlingSOftWareofAdvantechisapp

9、lied，whichhasextensiveapplicationincontmlarea’but，tosatisfypracticalrequire，asoftwaresystemwhichhasflexibleHMIandintegratedfunctionisdesignedAtl鵝ttheexperimentonthespotCanprovethefactthatthesystemrunssafetyandstablythepr