開關(guān)磁阻電機(jī)保護(hù)算法的設(shè)計(jì)與實(shí)現(xiàn).pdf

1、東南大學(xué)碩士學(xué)位論文開關(guān)磁阻電機(jī)保護(hù)算法的設(shè)計(jì)與實(shí)現(xiàn)姓名：秦明亮申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電子科學(xué)與技術(shù)；微電子學(xué)與固體電子學(xué)指導(dǎo)教師：陸生禮20120517Theswitchedreluctancemotoral：燈actsmoreandmoreattentionandhasawonderfulfutureinthefieldofelectricvehicles，sinceithasmanyuniqueadvantagesofsimpl

2、estructure，strongoverloadcapacity，speedperformance，withouttheneedofrareearthresourcesandSOonNowthetheoreticalstudyofthemotorusedinlowvoltageisnotindepthandcontroltechnologyisincompleteSOthecontrolsystemiseasytodamage，whi

3、chhasahighfailurerateBoththemotorandthecontroller，whichcomposeaclosed—loopcontrolsystem，arethemostimportanceoftheelectricvehiclecontrolsystemTherefore，improvingtheirreliabilitycanenhancethemarketshaleoftheswitchedrelucta

4、ncemotorintheindustryofelectricvehicleTheworkingprincipleoftheswitchedreluctancemotorandthreeformulasthatexplainthemathematicalmodelofthemotoraredescribedfirstlyThentherootmeansquare(RMS)algorithmisachievedtocalculatethe

5、motor’Seffectivecurrentafterconsideringthemotor’SworkingstatusofconductionrefluxandfreewheelingThemotor’Sunusualcircumstancesofthepositionsignalserrorovercurrentoverloadlockedrotorovervoltageandundervoltageareanalyzedtop

6、resentthecorrespondingprotectionstrategyThenadynamicsimulationmodelofswitchedreluctancemotorcontrolsystemisbuiltbyMatlab／Simulinktosimulatethecontrolsystemmotor’Sworkingsituationunderthecircumstancesofnormalandabnormalst

7、aterespectively皿eswitchedreluctancemotorcontrollerisdesignedbytheanalysisoftheoreticalstudyandsimulationThecontrollerusesSTM32F103microprocessorastheCOreofhardwaretoprocesstheinputandoutputsignalsofthepowerconverter，thep

8、ositionsignaldetectionthecurrentsample，theexternalcommandreceiverThefrontandbackofficesystemisadoptedasthecontroller’Ssoftwarearchitecture，inwhichthemainprogramandinterrupthandlerprogramsworktogetherandtheprotectsubrouti

9、neisexecutedintheinterrupthandlerprogramsThesoftwarehysteresischopperisappliedtolimitthemotor’Scurrentpcal【toimproveitsreliabilityinthispaperandthecapturefunctionofthemicroprocessor’Stimerisusedtocalculatethemotor’Sspeed

10、topro訪deanaccuratebasisforthejudgmentofmotor’SunusualcircumstancesAtestplatformwhichismadeupofadynamometer，powersupplies，oscilloscopesandotherequipmentissot印totestthenormalandabnormaloperationofthemotorinpracticalapplica

11、tionTestresultsshowthatthecontrollerCandrivethemotornormally，andprovideeffectiveprotectionforavarietyofsimulatedabnormalstate：positionsignalsinaccordancewithoutsettlogictransformationcouldmakethecontrollertoaccesstoprote

12、ction；140Aphasecurrentcouldmakethecontrollertoaccesstoovercurrentprotectionimmediately；themotorthatcontinuouslscould礎(chǔ)ethecontrollertoaccesstolockedrotorprotection；25Aeffectivecurrentthatcontinuous25snlakcthecontrollertoa

13、cestooverloadprotectionThecontrollerachievesthedesignspeeificatiousbasicallyandimprovesthesecurityandreliabilityofthecontrolsystemeffectivelyKeywords：switchedreluctancemotor；thealgorithmoftheRMSvalue；Matlabmodel；software