交流伺服系统机械谐振抑制分析

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1、AbstractInpracticalindustrialapplications,theACservomotorandloadareoftenconnectedbyflexibleconnection,whenservodrivesandmechanicallink^spropertiesmeetcertainconditions,mechanicalresonancewillappear.Themechanicalresonanceimpactstheloadseriously.Atthesametime,italsolimitsthespeedloopbandw

2、idthoftheservocontrollerunderresonantfrequency.Inthisthesis,tosuppressthemechanicalresonance,researchonmechanicalresonantsuppressionofACservosystembasedonpermanentmagnetsynchronousmotorareconducted.ThisthesispresentsthePMSMservosystemandthemechanismofmechanicalresonance.Thethesisclassif

3、iesthecuiTentcommonlyusedsuppressionmethodofservosystemandpointsoutthemshortcomings.Themathematicalmodelandtransferfunctionoftwo-massandthree-massindustrialservosystemwhichhasflexiblelinkarededuced.TheresonanceisexplainedfromtheaspectoftheorybyanalyzingthemodelusingMatlab.Then,aparamete

4、rsself-tuningnotchfilterisdesignedbyfastFouriertransform(FFT)ofvelocityerrorsignalfortwo-massservosystemresonance.Toconfirmthedesignedmethod,simulationexperimentsarecarriedout.AlsobasedonFFTofvelocityerror,seriesnotchfilteraredesignedtosuppressthree-massservosystemresonance・Onthebasisof

5、theoreticalanalysis,commonlysuppressionmethodsareintroducedrespectivelyfortwo-massandthree-massservosystem.Simulationexperimentsarecarriedout.Finally,thisthesisintroducesthehardwareandsoftwareenvironmentofphysicalexperiment.Experimentalresultsconfirmthatthedesignedmethodsuppressthemecha

6、nicalresonanceeffectively,whichcanbereferencedinpracticalapplications.Keywords:ACservo,resonancesuppression,two-mass,three-mass,notchfilter,parametersself-tuning摘要IABSTRACTII目录III1绪论1.1课题背景及意义11.2交流伺服控制技术国内外发展概述21.3谐振抑制方法综述41.4本文主要内容及结构安排62交流伺服系统机械谐振分析2.1永磁同步电机矢量控制系统82.2二质量系统建模与分析132.3三

7、质量系统建模与分析202.4本章小结283二质量伺服系统机械谐振抑制方法研究3.1谐振抑制方法介绍303.2基于陷波滤波器参数自调整的谐振抑制研究323.3仿真实验403.4本章小结424三质量伺服系统机械谐振抑制方法研究4.1谐振抑制方法介绍434.2基于串联陷波滤波器的谐振抑制研究444.3仿真实验484.4本章小结515伺服系统机械谐振抑制实验与分析5.1实验平台介绍525.2物理实验545.3本章小结576总结和展望6.1全文小结586.2后续工作展望58致谢60参考文献61攻读学位期间发表的学术论文651绪论1.1课题背景及意义作为电气和信