文档介绍：该【电力电子变频传动技术第9章 】是由【相惜】上传分享，文档一共【32】页，该文档可以免费在线阅读，需要了解更多关于【电力电子变频传动技术第9章 】的内容，可以使用淘豆网的站内搜索功能，选择自己适合的文档，以下文字是截取该文章内的部分文字，如需要获得完整电子版，请下载此文档到您的设备，方便您编辑和打印。Chapter9KouheiOhnishi,NobuyukiMatsui,YoichiHoriEstimation,Identification,,electricmotorsforvariablespeeddriveshavebeenwidelyappliedinlarge-capacityapplicationsthesteelindustrytheautomobileindustryIntheearlystage,DCmotorswerewidelyusedforadjustablespeedcontrolSincethelate1960s,ACmotorshavebeenreplacingDCmotorsinawideareaofindustryapplicationsplicatedcontrollersinthebeginning,theywerenotsoeconomicallyfeasibleAlliedtoadvancesbothindigitalcontroltechnologyandpowersemiconductordevices,,DCdrivesarenowreplaceablewithACdrives2整理课件However,,,,includinghigh-speeddigitalsignalprocessors(DSPs)andparallelprocessingetorqueproblems….…(BLDM,brushlessDCmotor)(PMSM,synchronousmotor),generallyidentificationoftheparametersisnecessaryforprecisecontrol.(3electricparameters)Armatureresistance,armatureinductance,:self-tuningregulator(STR)whichhasatuningabilitytomakeoutput-errorzeroinsidethecontroller;modelreferenceadaptivesystem(MRAS),,-BasedParameterIdentifierAtsteady-state,,linecurrent,--,theordinateisthecurrentcontrolerrorduetotheparametervariation7整理课件theparametervariationcoefficientisdefinedas8整理课件9整理课件sincetheestimationofthearmatureinductanceusesdivisionandtherelativelysmalld-axisvoltage,