本科畢業(yè)論文（設(shè)計(jì)）論文（設(shè)計(jì)）題目基于MATLAB-GUI的線性動(dòng)態(tài)電路分析學(xué)生姓名：所在院系：機(jī)電學(xué)院所學(xué)專(zhuān)業(yè)：應(yīng)用電子技術(shù)教育導(dǎo)師姓名：完成時(shí)間：河南科技學(xué)院機(jī)電學(xué)院本科學(xué)位論文I摘要在電路分析中,對(duì)線性動(dòng)態(tài)電路的分析方法一般是經(jīng)典法和拉普拉斯變換法。不過(guò)對(duì)于較高階的動(dòng)態(tài)電路,用這些方法就會(huì)比較繁瑣。而本文設(shè)計(jì)了一種新的方法-伴隨網(wǎng)絡(luò)法。這種方法是把動(dòng)態(tài)電路的過(guò)渡過(guò)程時(shí)間t0T劃分成若干時(shí)間間隔t，把動(dòng)態(tài)元件電感L和電容C用相應(yīng)的離散模型來(lái)取代，經(jīng)過(guò)代換后的電路稱為原電路的伴隨網(wǎng)絡(luò)。因而對(duì)該時(shí)間間隔內(nèi)相應(yīng)伴隨網(wǎng)絡(luò)的分析可視為穩(wěn)態(tài)電路分析。不過(guò)這種方法需要多次重復(fù)計(jì)算,若由人來(lái)計(jì)算就會(huì)相當(dāng)?shù)膹?fù)雜。所以我們利用MATLAB軟件來(lái)進(jìn)行編程，把計(jì)算工作交給計(jì)算機(jī)。這樣就可以方便快捷地算出結(jié)果。為了使軟件的界面更加友好，我們利用MATLAB自帶的GUI工具做了一個(gè)圖形用戶界面。用戶只需要按照界面的要求進(jìn)行元件參數(shù)和支路編號(hào)的輸入，運(yùn)行后即可在屏幕上顯示GUI界面下的輸出電壓波形和電流波形。關(guān)鍵詞：伴隨網(wǎng)絡(luò)法，圖形用戶界面，離散模型IIAbstractGenerally,themethodofthelineardynamiccircuitanalysisistheClassicandLaplacetransformmethodincircuitanalysis.Butthesemethodswillbecomplextothehigh-levellineardynamiccircuit.Inthisarticlewedesignanewmethod-accompanyingnetworkmethod.Thismethoddividedthetime(t0T)oftransitionalprocessofdynamiccircuitintoanumberofintervalst,ThedynamiccomponentinductanceLandcapacitanceCwiththecorrespondingdiscretemodeltoreplace,aftersubstitutionofthecircuit,theoriginalcircuitiscalledaccompanyingnetwork.Sotheanalysisofaccompanyingnetworkcouldbedeemedassteady-stateanalysis.However,thetimesofcalculationaresomany.Itwillbetoocomplextocalculateitbypeople.Therefore,weuseMATLABtoprogram.Bydoingthis,itwillbeconvenienttoobtaintheresults.Atthesametime,inordertogetamorefriendlyinterface,Ialsousethetools(GUI)ofMATLABmadeagraphicaluserinterface.Theuseronlyneedstoinputtheparameterofthecomponentsandthenumberofbranchesaccordingtotherequirementoftheinterface.Aftertherunning,itcouldoutputthevoltageandcurrentwaveformsontheGUIinterface.Keywords：accompanyingnetwork,graphicuserinterface,discretemodel河南科技學(xué)院機(jī)電學(xué)院本科學(xué)位論文III目錄1緒論.12線性動(dòng)態(tài)電路分析的常用方法.22.1經(jīng)典法.22.2拉普拉斯變換法.23電路分析中常用的仿真軟件.23.1PSPICE和SABER.23.1.1PSPICE簡(jiǎn)介.23.1.2SABER簡(jiǎn)介.33.2MATLAB.43.2.1MATLAB簡(jiǎn)介.43.2.2MATLAB-GUI簡(jiǎn)介.54伴隨網(wǎng)絡(luò)法.74.1動(dòng)態(tài)元件的離散模型.74.1.1電容C的伴隨網(wǎng)絡(luò)模型.74.1.2電感L的伴隨網(wǎng)絡(luò)模型.84.2伴隨網(wǎng)絡(luò)法分析瞬態(tài)電路的步驟.85伴隨網(wǎng)絡(luò)法的MATLAB編程實(shí)現(xiàn).85.1程