基于DSP的逆变电源数字控制技术的研究

《基于DSP的逆变电源数字控制技术的研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、西南交通大学硕士学位论文基于DSP的逆变电源数字控制技术的研究姓名：刁元均申请学位级别：硕士专业：电力电子与电力传动指导教师：邹滨20070501西南交通大学硕士研究生学位论文第Ⅱ页AbstractWiththedevelopmentofmodemtechnology,invertersarewidelyused．Meanwhile，variousindustrieshavesethigherrequirementsontheperformanceofinverters．Goodoutputwa

2、veformsofinvertershavenotonlythegoodsteady-stateperformance，butalsothefastdynamicresponse．Itisverydifficultforsinglecontrolstrategyt0satisfythetworequirementsatthesametime．Thus。hybridcontrolstrategyisadevelopingdirectionbecausethestrategyc觚takegoodad

3、vantageofeverypartwhileavoidingitsdefault．Thispaperdiscussestheadvantagesanddisadvantagesoftheprevalentdigitalcontrolstrategies，analysesthecontrolprincipleofthedeadbeatcontrolandrepetitivecontrolindetail，andpresentssomeimprovedmeasuresaboutthecontrol

4、algorithm．Deadbeatcontrolhasagooddynamicresponse，butitssteady—stateperformanceisnotsatisfyingespeciallywhenconnectedwithnonlinearload；Contrarily,repetitivecontrolhasagoodsteady—stateperformance，butitsdynamicresponseispoorbecauseitincludesapartofthecy

5、cledelayandtheoutputsofcontrolordershaveareferencecycledelay．Inthispaper,themaincircuitofinverterisasingle—phasefull-bridgetopology．Thenestablishesthecontinuousstate．spacemodelanddiscretestate-spacemodel，analysestheopen·loopoutputcharacteristics，intr

6、oducesthedesignmethodsofparametersabouttheimproveddeadbeatcontrollerandtherepetitivecontroller．AhybridcontolstrategybasedOiltheimproveddeadbeatcontrolandrepetitivecontrolisproposed．EstablishesthesimulationmodelofcontrolsystemusingMATLABsoftware，andth

7、esimulationresultsshowthatthehybridcontrolstrategycanmaketheinvertergetagoodsteady·stateanddynamicperformance．Finally，thepapcIintroducesthehardwareandsoftwareofthecontrolsystemofinverterbasedontheDSPTMS320F2812．Keywords：inverter；deadbeatcontrol；repet

8、itivecontrol；hybridcontrol；DSP西南交通大学硕士研究生学位论文第1页第一章绪论1．1引言随着各行各业控制技术的发展和对操作性能要求的提高，许多行业的用电设备都不是直接使用通用交流电网提供的交流电作为电能源，而是通过各种形式对其进行变换，从而得到各自所需的电能形式。而逆变就是对电能进行变换和控制的一种基本形式，它完成将直流电变换成交流电的功能。现代逆变技术是研究现代逆变电路的理论和应用设计方法的学科，这门学科综合了现代电力电子开关器件技术、现代功率变换技术、模拟和数字电