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ID:32025748
大小:2.69 MB
页数:98页
时间:2019-01-30
《【硕士论文】基于DSP的SVPWM研究及交流调速系统监控平台功能扩展及改进研究.pdf》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、中图分类号:TM301.2密级:单位代号:11903学号:02720493●上海大学⑧硕士学位论文SHANGHAIUNIVERSITYMASTER’STHESIS憎基于DSP的SVPWM研究及交流调速系统监控平台功能扩展及改进研究*·台达基金资助项目(批准号:504930)作者:至圣学科专业电力电子与电力传动导师氆趣丝煎!.完成日期二零零五年二月E海大学硕士学位论文摘要本课题是国家自然科学基金项耳《在定子坐标上交流调速系统菲线性智能控隶《策略静研究》(撬准号:59877013)的部分内容,豢要悬以TI公司的TMS320F2
2、40型DSP为核心构成通用的、具有良好人极界蕊的交流变频调遣系统,并在此基础上进行有关SVPWM不同开关模式及上位机监控平台功能扩展和改进的研究。在关于SVPWM不同开关模式的研究方面,文章首先从实验系统的整体结构出发,分硬件和软件两大部份阐述了基于DSP进行SVPWM研究的实验系统;其次从SVPWM的工作舔理出发,讨论了SVPWM两种开关模式豹实现方案及其在Matlab中的建摸及输出仿真波形的比较,随后对这两种开关模式方案进行了比较小缡。最后,给出了对这两种SVPWM开关模式的实验方案及实验结果。而在关于上位机监控平台功
3、能扩展和改进研究方面,本章首先分三个部分阐述了监控平台功能扩展和改进的主要内容,其次给出了各个部分的实现原理及方法,奠中又重点论述了应用于授制领域中的神经网络及基于BP神经网络的参数优化模块的实现原理及方法,最后给出了实验方案及实验结果。关键词:SVPWM;数字信号处理嚣(DsP);异步电梳;神经网络;参数优化V』堡壁翌圭堂堡笙兰ABSTRACTThispaperisapartsegmentoftheNationalNatureSciencefundprojectcalled<4、sandControlStrategiesofInductionMotors>>.ItsmaincontentistobuildageneralACvariable-speedsystemwithakindandconvenientoperationinterfacebasedontheEVMboardoftheTMS320F240DSPanddosomeresearchonthedifferentswitchpatternsoftheSVPWMandPC—basedmonitoringplatformofthevaria5、ble-speedsystem.WhenitisconcernedtotheresearchofthedifferentswishpaRemsoftheSVPWM,thispaperfirstlyintroducesthewholeexperimentsystemrespectivelybasedonitshardwarestructureandsoftwarestructure,then,itdiscusses氇erealizationofthetwodifferentswitchpaRemsoftheSVPWMand,6、theirmodelbuildingintheMatlabaswellastheconclusionofthesimulating.Atlast,thispapermakesabriefsummaryofthesetwodifferentswitchpatternsoftheSVPWMandgivestheexperimentschemeandconclusionofttiem.Ontheotherhand,whenitisconcernedtotheresearchofthePC—basedmonitoringplatf7、orm,thispaperfirstlyexpatiatesthemainjobsofthefunctionexpandingandimprovingofthemonitoringplatforminthreeparts,then,itgivestherealizationprinciplesandmethodsofthesejobs.What’Smore,thepaperputahi醢focusontheNeuralNetworkusinginthecontrolfieldaswellastherealizationpr8、inciplesandmethodsoftheparameteroptimizingmodulebasedontheBPNeuralNetwork.Atlast,thispaperpresentstheschemeandconclusionoftheexperiment.Keywords:SVPWM;D
4、sandControlStrategiesofInductionMotors>>.ItsmaincontentistobuildageneralACvariable-speedsystemwithakindandconvenientoperationinterfacebasedontheEVMboardoftheTMS320F240DSPanddosomeresearchonthedifferentswitchpatternsoftheSVPWMandPC—basedmonitoringplatformofthevaria
5、ble-speedsystem.WhenitisconcernedtotheresearchofthedifferentswishpaRemsoftheSVPWM,thispaperfirstlyintroducesthewholeexperimentsystemrespectivelybasedonitshardwarestructureandsoftwarestructure,then,itdiscusses氇erealizationofthetwodifferentswitchpaRemsoftheSVPWMand,
6、theirmodelbuildingintheMatlabaswellastheconclusionofthesimulating.Atlast,thispapermakesabriefsummaryofthesetwodifferentswitchpatternsoftheSVPWMandgivestheexperimentschemeandconclusionofttiem.Ontheotherhand,whenitisconcernedtotheresearchofthePC—basedmonitoringplatf
7、orm,thispaperfirstlyexpatiatesthemainjobsofthefunctionexpandingandimprovingofthemonitoringplatforminthreeparts,then,itgivestherealizationprinciplesandmethodsofthesejobs.What’Smore,thepaperputahi醢focusontheNeuralNetworkusinginthecontrolfieldaswellastherealizationpr
8、inciplesandmethodsoftheparameteroptimizingmodulebasedontheBPNeuralNetwork.Atlast,thispaperpresentstheschemeandconclusionoftheexperiment.Keywords:SVPWM;D
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