基于幅度調(diào)制法的SR電機(jī)間接位置檢測技術(shù)的研究.pdf

1、南京航空航天大學(xué)碩士學(xué)位論文基于幅度調(diào)制法的SR電機(jī)間接位置檢測技術(shù)的研究姓名：馮雷申請學(xué)位級別：碩士專業(yè)：電機(jī)與電器指導(dǎo)教師：劉闖20070301基于幅度調(diào)制法的SR電機(jī)間接位置檢測技術(shù)的研究iiAbstractTheswitchedreluctancedriver(SRD)isanovelmethanolelectronicdevicewiththevirtueofsimplestructurehighefficient.Thero

2、tpositioninfmationinSRDisessentialindetainingtheswitchinginstantsfpropercontrolofspeedtquefurtheroptimizingthemotoperationperfmance.SorotpositionestimationisanecessaryfactofaSRDtorunproperly.Asthedrawbacksofthetraditiona

3、ldirectrotpositiondetectingschemeswhichareliabletobeinfluencedbytheenvironmentfactstheindirectrotpositionestimationtechniquesapplyingsomeofSRD’selectronicparameterstowkoutrotpositioninfmationaresothatcreateddevelopedrapi

4、dly.ThepaperfirstgivesacomprehensivereviewoftheavailableindirectrotpositionestimationtechniquesfSRD.Onthebasisofthereviewthebasicideaofamplitudemodulation(AM)encodertechniqueisdescribedanalyzedindetails.Thentwoindirectro

5、tpositionestimationschemesbasedAMtechniquearediscussed.ThefundamentalideabehindoneschemeistorealizeAMtechniqueinoneofthenonconductingphases.AcomputermodelbasedMATLABhasbeendevelopedtoanalyzethisscheme.Bothsensingcoilstec

6、hniqueAMtechniquearegotapplyinginanotherscheme.Inthisschemesensingcoilsareconnectedinoppositederwhicharedifferentfromthemaincoilsavoidinginterferencefrommaincoils.Meanwhileanewwaytoobtaindiscreterotpositionsignalsispropo

7、sedwhichutilizesthegeometricalacteristicofinductancecurvesofSRD.Thisschemehasbeenimplementedona646kWdrivesystemtheexperimentalresultsareverified.KeyWds:SwitchedReluctanceDriverIndirectRotPositionEstimationAmplitudeModula