基于模糊監(jiān)督協(xié)調控制的機車保護裝置測試系統(tǒng)的研制.pdf

1、中南大學碩士學位論文基于模糊監(jiān)督協(xié)調控制的機車保護裝置測試系統(tǒng)的研制姓名：劉定遠申請學位級別：碩士專業(yè)：交通信息工程及控制指導教師：黃志武20090401ABSTRACTThecircuitprotectionsystemofelectriclocomotiveiSacriticaldevicetomonitorlocomotiverunningstatusandprotectlocomotivecircuitsTheworkingst

2、atusofoverloadprotectiondeviceisanimportantfactortoprotectthesafetyuseofprotectionsystemButtheexistingtestingequipmentcouldnotmeettherequirements，anditisanurgentneedtodevelopnewtestingsystemoflocomotiveprotectiondeviceTh

3、isdissertationanalyzesthecharacteristicsoflocomotiveprotectiondevice，andproposesanentireschemeofofflinetesting，throughsimulatingtheworkingconditionsofdevicetoachievethetestingofprotectiondeviceTestingofprotectiondevices，

4、thekeyistosimulateconditionsoftheprotectiondevice，becausetherearekindsofprotectiondevices，awiderangeofhighcurrentwaveformisneededThecontrolofcurrent，itshouldbefastandrequiresasmallerrippleandfluctuation，andatthesametimei

5、tneedstohavecoordinatedcontrolfortheinputvoltageofrectifierandcontrolangleAsthetestingobjectsarevaried，divergentelectricalcharacteristics，andtime—varying，conventionalcontrolmethodsarehardtoachieve，thisdissertationpresent

6、sacontrolstrategybasedonfuzzysupervisorycoordinationcontr01Theupperfuzzysupervisormonitorsthecontroleffects，andadjuststhecontrolobjectivesandparametersinrealtimeTheunderlyingdesignsthreelocalcontrollers，whichcontrolvolta

7、geregulatorandtriggerpulserespectivelyIntheprocessoftesting，thefuzzysupervisorsetstheobjectivegearforvoltageregulatoqselectsthecorrespondingphasecontrollerandadjuststhephasecontrolleronlineinaccordancewithcontrollingsitu

8、ationAdaptivePIDphasecontrollerisdesignedinthemodeofcurveorconstantcurrentInthedi／dtmode，astherequirementsofreal—timeandaccuracyismuchhigheracertaindegreeoflearningabilityisrequired，PIDcannotmeetthecontrolrequirements；as