磁悬浮车悬浮控制方法的研究与实现

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1、沈阳工业大学硕士学位论文磁悬浮车悬浮控制方法的研究与实现姓名：马忠宝申请学位级别：硕士专业：电力电子与电力传动指导教师：孙荣斌;孙宜标20070117磁悬浮车悬浮控制方法的研究与实现ResearchandImplementationonSuspensionControlMethodofMaglevTrainAbstractAsanewtypevehicle，Maglevtrainhasbeenputintopracticesuccessfully．Itisdifficulttoresolvesuspensioncontroltechniqu

2、eappropriatelyduetotheinherentnonlinearity，instability，aswellastheproblemofuncertaintiescausedbydisturbanceoftheelectromagneticsuspension(EMS)system．ThecomfortandsafetyofMaglevtrainisdeterminedmainlybyitsperformanceofmagneticsuspensioncontr01．Therefore，suspensioncontroltec

3、hniqueisoneofthemostkeyandnucleartechniques，andthenitisprofoundlysignificanttostudycontroltechniqueofsuspensionsystem．Inthispaper，basedonMaglevtrain，thedigitalsuspensioncontrollerisdesigned，whichmostlyaimsatthesingleelectromagnetsystem(SEMS)．Firstofall，thebasicstructureand

4、principleoftheSEMSarediscussedaswellasamathematicalmodelisfoundedandanalyzed．Throughthemethodoflinearizingtheequilibriumpoint，theauthorattainsthestatefunctionandtransferfunctionofthesystemandanalyzesitscontrollabilityandobserveability．Whereafter，totheinbeingofnonlinearityi

5、nEMS，fuzzyslidingmodecontrollerisdesignedbyintegratingtheexcellencesoffuzzycontrolandslidingmodecontroller(FSMC)．TheperformanceofFSMC，PIDcontroller,fuzzycontrollerandslidingmodecontrollerarecomparedandevaluated，itprovedthatFSMCnotonlyenormouslyimpairsinherentchatteringofsl

6、idingmode，buthasstrongrobust，fastresponsespeedandwithoutovershoottotestifythefeasibilityofFSMC．Secondly，accordingtothetraitoftheSEMS，thedigitalsuspensioncontrollerisdesignedbasedonDSP(TMS320LF2407A)．Thehardwaresystemandcontrolsoftwarearedoneindetail．Thereinto，accordingtoth

7、echaracteristicofTMS320LF2407A，theperipheralcircuitofdigitalsuspensioncontrollerisdesigned；AndnuclearcontrolalgorithmisdigitalPIDtoadoptassemblylanguagemodularizationprogramming，whichissimpletocometrue．Finally，thehardwaresystemandcontrolsoftwarearedebuggedrespectively，andi

8、tistoimproveandperfecttheproblemsemergedfromdebuggingprocess．TheSEMSsuspension沈阳工业大学硕士学位论