基于CAN總線的電梯控制系統(tǒng)的設(shè)計與實現(xiàn).pdf

1、北京工業(yè)大學(xué)碩士學(xué)位論文基于CAN總線的電梯控制系統(tǒng)的設(shè)計與實現(xiàn)姓名：張汝成申請學(xué)位級別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：王廣生20090501AbstractAbstractElevatorcontrolsystemisthecorepartofanelevatorItdecidesthequantityoffunctionandthequalityofperformanceWithmoreandmoreskyscrapers’

2、appearance，theelevatorcontrolsystemhasbeendevelopedrapidlyItcanbedevidedintotwolayersaccordingtostructurewhichissingleelevatorcontrolsystemandelevatorgroupcontrolsystemInthesingleelevatorcontrolsystem，themaincontrollerwh

3、oconnectedwithotherterminalboardsinthecontrolnetworkbyindustrialbusprovidesthemostfunctionsofanelevatorTheelevatorgroupcontr01systemcombinesseveralelevatorsintoacontrolnetworkAllthehallcallswillbeassignedbythegroupcontro

4、lalgorithminordertooptimizetheperformance、加t11multi—targetIntheresearchoftheelevatorcontrolsystemthedesignbothinhardwareandsoftwareiSdescribedindetailincludingthesolutiontothekeytechniquesThegroupcontrolaglorithmwhichhas

5、beendeepandinnovativelyresearchedisalsopresentedaswellasthedesignofthealgorithmtestplatformOnthesingleelevatorcontrolsystemanARM7chipiSintroducedasCPUofthemaincontrollercolaboratedwithaCPLDchipwhoprocessthedataoftheencod

6、erfeedbackAllthefunctionssuchasrelaycontrol，taskdispatchandcommunicationmanagementarerealizedbymodularizationprogrammingParticularlyanewkindofelevetorvelocitycurvenamedSshapedcurveisproposedandtestedOnthegroupcontrolalgo

7、rithm，atraditionalevaluationfunctionispresentedfirstlyItconfirmsthemultipletargetsinthegroupcontrolandmakesoutanimplementationbyanalysisintrafficpatternTheparametersofthefunctionshouldbeadjustedbetheuserunderdifferenttra

8、ffiCSAnewelevatormathematicalmodelcalledtaskchainmodelisputforwardsubsquentlyIttriestofindtheglobaloptimalsolutionunderasetoftargetsthroughtheprioritycalculationthetaskwhoaffectstheoverallperformancemostlyFinallythesimul

9、ationplatformbasedonVisualCisdesignedinordertotestthepropertyofthegroupalgorithmThesoftwaresimulatesaelevatorgroupwith32stopsand6CarSTheadvantageofthealgorithmbasedonthenewmodelisunfoldedbysomecomparativetestsontheplatfo

10、rmTheresearchiscarriedoutbythedesignofanelevatorcon仃olsystemproductandithasconsiderablepracticalsignificanceandapplicationvalueKeywords：CANbus；Elevatorcontrolsystem；Mainmicrocontroller；Elavuationfunctionalgorithm；Task—ch