基于USB主機(jī)的智能調(diào)節(jié)器的設(shè)計(jì)和開發(fā).pdf

1、’∥8【J五003t拳號(hào)芹、玲字十tlt：o々z；420二(砌204“If)IllII簟▲◆碩士研究生學(xué)位論文論文題目：基于U$8主機(jī)的智能調(diào)節(jié)器的設(shè)計(jì)和開發(fā)姓名指導(dǎo)教師學(xué)科專業(yè)專業(yè)代碼研究方向宋建華周以琳控制理論與控制‘【程081101新型自動(dòng)化裝置及儀表基丁USB主機(jī)的智能調(diào)節(jié)器的設(shè)計(jì)和開發(fā)ABSTRACTInthispaper，thedesignmethodandprocessofintelligentcontr01lerisna

2、rratedfromtheviewofhardwareandsoftwareTheintel1igentcontrol1erhasfourinputchannelsandfouroutputchannelsThefirstinputchannelandthesecondinputchannelcanbeusedtomeasurethetemperaturesignalInthistwochannelsthetypeofinputsign

3、alcanbeswitchedbetweenthedifferentthermocoupleandthermalresistanceWhentheinputisthermalresistancethermalresistanceisconnectedusing4一WireconfigurationThiscanelimimatetheeffectof1eadwireresistanceonthemeasuredresultandimpr

4、ovethemeasureprecisionThethirdinputandthefourthinputnotonlycanreeeivethefourtotwentymilliamperecurrentsignalbutalsotheonetofivevoltagesignalTheinputandtheoutputcanbeusedtothesingleloopcontrolandalsobeusedtocascadecontr01

5、ThecontrollercandiagnoseoiltheinputandtheoutputandgotheehannelwithfailureItalsohasself—correctionfunctionwhichcaneliminateerrorbycauseofthechangeofdeviceandthetemperaturedriftDC／DCisimplementedbyusingtheBuckeircuitandthe

6、Buck—BoostcireuitTheprincipleandparameterselectionoftheBuckandBuck—BoostcircuitisintroducedindetailTheACsmallsjgnalmodeloftheBuckandBuck—BoostcircuitisestablishedTheclosingofloopandthedesignofcompensatenetisalsodiscussed

7、ThecontrollerhasUSBhostfunctionItcaareadfromandwritetothemassstoragedeviceIntermofFATformaFATsystemiselementaryestablishedItalsohasRS485communicationinterfaceInordertofullyusetherichLCDdisplaytechnique，thehuman—computeri

8、nterfaceisdesignedbycombiningkeyboardwithmenuThecurveofchannelcanbeshowreal—timelvThecontrolleralsohasreal—timeclockthatcanbesetandmodifiedTheparameterofPIDcanbeauto——tunedbyusingauto——tuningtechniqueKEYWORDSintelligentc