電動(dòng)機(jī)構(gòu)用稀土永磁無(wú)刷直流電動(dòng)機(jī)控制系統(tǒng)研究.pdf

1、西北工業(yè)大學(xué)碩士學(xué)位論文電動(dòng)機(jī)構(gòu)用稀土永磁無(wú)刷直流電動(dòng)機(jī)控制系統(tǒng)研究姓名：侯紅勝申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電機(jī)與電器指導(dǎo)教師：馬瑞卿20040301西北工業(yè)大學(xué)碩士論文摘要ABSTRACTHighqualitycontrolofrareearthpermanentmagnetbrushlessDCmotorisresearchedinthispaper.Dependonthecomprehensiveanalysisandstudyoft

2、hestructureprincipleandexteriorcharacteristicofthemotorthroughthemethodsofsystemmodelinganddigitalsimulationanalysistwokindofcontroldevicethatworkforthelowvoltage(LVDC)andthehighvoltage(HVDC)inavigationareresearchedrespe

3、ctively，Pointtothecontroltechniqueofcloseloopspeedstabilizationatalimitedadjustmentspeedrangewebringoutthecloseloopspeedcontrolmethodthatusingtherotorpositionsensorindirectlymeasurethespeedofthemotor.Atthesametimewemainl

4、ydesignthehardwareandthesoftwareofthetwocontrolsystems.ThehighqualitysinglechipofAT89C2051andAT89C51areusedasthemainmicroprocessorofthecontrolsystem.Usingdigitalmethodachievedthespeedadjustmentandthecloseloopspeedcontrol

5、whichensuretheaccuracyofspeedadjustmentandthespeedstabilityatadefinitespeedrange.Aswellasthroughtheoptimaldesignandthecombineofhardwareandsoftwareimplementtheminiaturizationofthecontrollerimprovethereliabilityofthecontro

6、lleranddecreasethevolumeandweightofthecontroller.Ttcanbeseenfromtheexperimentalresultthatthemotorsperformanceisexcellent.Thespeedcanbeadjustedincessantlyattherequiredspeedrange.Themotoralsocanbekeptatthesamespeedevenwhen