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1、華北電力人學(xué)碩十學(xué)位論文摘要摘要許多火電機(jī)組都面臨協(xié)調(diào)控制系統(tǒng)優(yōu)化這一課題,相關(guān)研究工作主要集中在對(duì)象建模和控制算法兩個(gè)方面,而建立機(jī)組負(fù)荷一壓力對(duì)象模型、深入分析其特性是這一工作的基礎(chǔ)。研究單元機(jī)組各個(gè)組成部分的特點(diǎn),做出合理簡(jiǎn)化,依據(jù)基本物質(zhì)平衡和能量平衡關(guān)系建立各個(gè)部分機(jī)理模型,在機(jī)組運(yùn)行參數(shù)附近對(duì)其進(jìn)行簡(jiǎn)化擬合,獲得具有解析形式的模型表達(dá)式。本文所研究的直冷式空冷機(jī)組壓力負(fù)荷模型就是在傳統(tǒng)水冷機(jī)組上進(jìn)行修正得出來的,并對(duì)其模型進(jìn)行分析,最后提出一種最經(jīng)濟(jì)性調(diào)控制策略。關(guān)鍵詞:協(xié)調(diào)控制,直冷式空冷機(jī)組,動(dòng)態(tài)模型,仿真分析ABSTRACTLotsofpowerplantfa
2、cedtheproblemofcoordinatedcontrolsystemoptimization.Thecorrela“Vestudymainlyfocusedonthetwoaspects:objectmodelingandcontrolarithmetic.Constructingtheunitload-pressureobjectmodelandthoroughlyanalyzingthecharacteristicofthemodelarethebasicofthestudy.StudyingthecharacteristicofVariouscomponents
3、offheunit,thenadoptingthemethodofcombinationofmechanismanalysisanddata6ttingtobu訂dupthemechanisticmodelofVariouscomponentsoftheunit,usingtheoperatingparameIersintheVicinityoftheirunitstosimplifyandfittingthemodel,andtoobtaintheanalyticalmodeloftheformofexpression.Theload—pressuremodelofdirec
4、tair—coolingunitinthispapercamef.romthetraditionalwater—coolingunit.Thispaperanalyzedthemodel,andtheideaofeconomiccoordinationcontrolstrategyisintroduced.LiuHengtao(ControlTheoryandControlEngineering)Directedbyprof.LiuJizhenandViceprof.TianLiangKEYWoRDS:coordinatedcontrol,directair-coolingun
5、it,dynamicmodeI,simulationanaIysis華北電力人學(xué)碩十學(xué)位論文摘要摘要許多火電機(jī)組都面臨協(xié)調(diào)控制系統(tǒng)優(yōu)化這一課題,相關(guān)研究工作主要集中在對(duì)象建模和控制算法兩個(gè)方面,而建立機(jī)組負(fù)荷一壓力對(duì)象模型、深入分析其特性是這一工作的基礎(chǔ)。研究單元機(jī)組各個(gè)組成部分的特點(diǎn),做出合理簡(jiǎn)化,依據(jù)基本物質(zhì)平衡和能量平衡關(guān)系建立各個(gè)部分機(jī)理模型,在機(jī)組運(yùn)行參數(shù)附近對(duì)其進(jìn)行簡(jiǎn)化擬合,獲得具有解析形式的模型表達(dá)式。本文所研究的直冷式空冷機(jī)組壓力負(fù)荷模型就是在傳統(tǒng)水冷機(jī)組上進(jìn)行修正得出來的,并對(duì)其模型進(jìn)行分析,最后提出一種最經(jīng)濟(jì)性調(diào)控制策略。關(guān)鍵詞:協(xié)調(diào)控制,直冷式空冷機(jī)組,動(dòng)
6、態(tài)模型,仿真分析ABSTRACTLotsofpowerplantfacedtheproblemofcoordinatedcontrolsystemoptimization.Thecorrela“Vestudymainlyfocusedonthetwoaspects:objectmodelingandcontrolarithmetic.Constructingtheunitload-pressureobjectmodelandthoroughlyanalyzingthecharacteristicofthemodelarethebasicofthestudy.Studyingth
7、echaracteristicofVariouscomponentsoffheunit,thenadoptingthemethodofcombinationofmechanismanalysisanddata6ttingtobu訂dupthemechanisticmodelofVariouscomponentsoftheunit,usingtheoperatingparameIersintheVicinityoftheirunitstosimplifyandnttingthemodel,an