畢業(yè)設(shè)計(jì)說明書論文作者學(xué)號(hào)系部專業(yè)熱能與動(dòng)力工程（火電廠集控運(yùn)行）題目超臨界機(jī)組協(xié)調(diào)控制系統(tǒng)的分析與設(shè)計(jì)指導(dǎo)者副教授A1A2A3A0A4A5A6A7評(píng)閱者A1A2A3A0A4A5A6A72011年6月畢業(yè)設(shè)計(jì)說明書（論文）中文摘要火電廠超臨界機(jī)組協(xié)調(diào)控制系統(tǒng)是一個(gè)多變量被控對(duì)象，具有非線性強(qiáng)、參數(shù)時(shí)變大、遲延等特性，針對(duì)這些特性，需要對(duì)機(jī)組進(jìn)行解耦控制，然后對(duì)控制算法進(jìn)行改進(jìn)，使系統(tǒng)更加穩(wěn)定的運(yùn)行。本文首先介紹了協(xié)調(diào)控制系統(tǒng)的控制方案；其次，對(duì)協(xié)調(diào)控制系統(tǒng)的影響因素進(jìn)行了總結(jié)，分析了超臨界機(jī)組的動(dòng)態(tài)特性以及超臨界機(jī)組在100負(fù)荷下的動(dòng)態(tài)數(shù)學(xué)模型；再次，通過對(duì)該超臨界機(jī)組數(shù)學(xué)模型相對(duì)增益的計(jì)算，結(jié)果表明，該系統(tǒng)是以汽機(jī)跟隨為基礎(chǔ)的協(xié)調(diào)控制系統(tǒng)；然后，分別采用前饋解耦和對(duì)角陣解耦兩種方法對(duì)超臨界機(jī)組協(xié)調(diào)控制系統(tǒng)進(jìn)行了仿真研究，G8616G17751解耦后G994解耦前以及等G6940G2345G3250G17347的G19466G17303響G5224G7366線；G7380后，對(duì)機(jī)組的控制G6940果進(jìn)行改進(jìn)，G2045用G12227分分G12175G51G44G39控制算法對(duì)超臨界機(jī)組100負(fù)荷模型進(jìn)行了仿真研究，G5194G994G5132G16280G51G44G39控制算法進(jìn)行了G8616G17751，結(jié)果表明G726G12227分分G12175G51G44G39控制算法G8616G5132G16280G51G44G39控制算法G14033G3827G7186G14891G19489G1314系統(tǒng)的超調(diào)量，使系統(tǒng)更G17247G994穩(wěn)定運(yùn)行。關(guān)鍵詞協(xié)調(diào)控制解耦控制G51G44G39控制G12227分分G12175G51G44G39控制畢業(yè)設(shè)計(jì)說明書（論文）外文摘要TITLETHEANALYSISANDDESIGNOFTHECOORDINATEDCONTROLSYSTEMOFTHESUPERCRITICALUNITABSTRACTG55G75G72G70G82G82G85G71G76G81G68G87G72G71G70G82G81G87G85G82G79G86G92G86G87G72G80G82G73G69G82G76G79G72G85G16G87G88G85G69G76G81G72G76G86G68G70G82G80G83G79G76G70G68G87G72G71G80G88G79G87G76G16G89G68G85G76G68G69G79G72G70G82G81G87G85G82G79G82G69G77G72G70G87G15G68G81G71G76G87G75G68G86G86G82G80G72G70G75G68G85G68G70G87G72G85G86G86G88G70G75G68G86G81G82G81G79G76G81G72G68G85G15G87G76G80G72G16G89G68G85G92G76G81G74G83G68G85G68G80G72G87G72G85G86G68G81G71G79G68G85G74G72G71G72G79G68G92。G36G70G70G82G85G71G76G81G74G87G82G87G75G72G86G72G70G75G68G85G68G70G87G72G85G76G86G87G76G70G86G15G81G72G72G71G87G82G71G72G70G82G88G83G79G72G70G82G81G87G85G82G79G88G81G76G87G15G87G75G72G81G87G82G70G82G81G87G85G82G79G68G79G74G82G85G76G87G75G80G90G68G86G76G80G83G85G82G89G72G71G15G80G68G78G72G87G75G72G86G92G86G87G72G80G80G82G85G72G86G87G68G69G79G72G82G83G72G85G68G87G76G82G81。G41G76G85G86G87G79G92，G87G75G76G86G68G85G87G76G70G79G72G76G81G87G85G82G71G88G70G72G86G87G75G72G70G82G81G87G85G82G79G86G70G75G72G80G72G86G82G73G70G82G82G85G71G76G81G68G87G72G71G70G82G81G87G85G82G79G86G92G86G87G72G80G68G85G72G83G85G72G86G72G81G87G72G71G30G54G72G70G82G81G71G79G92G15G86G88G80G80G68G85G76G93G72G86G87G75G72G76G81G73G79G88G72G81G70G72G82G73G73G68G70G87G82G85G86G82G73G70G82G82G85G71G76G81G68G87G76G82G81G70G82G81G87G85G82G79G86G92G86G87G72G80，G68G81G68G79G92G93G72G86G87G75G72G71G92G81G68G80G76G70G70G75G68G85G68G70G87G72G85G76G86G87G76G70G82G73G86G88G83G72G85G70G85G76G87G76G70G68G79G88G81G76G87G76G81100G79G82G68G71G68G81G71G86G88G83G72G85G70G85G76G87G76G70G68G79G88G81G76G87G88G81G71G72G85G87G75G72G71G92G81G68G80G76G70G80G68G87G75G72G80G68G87G76G70G68G79G80G82G71G72G79G30G36G74G68G76G81G15G87G75G85G82G88G74G75G87G75G72G70G68G79G70G88G79G68G87G76G82G81G82G73G85G72G79G68G87G76G89G72G74G68G76G81G80G68G87G75G72G80G68G87G76G70G68G79G80G82G71G72G79G15G87G75G72G85G72G86G88G79G87G86G75G82G90G86G87G75G68G87G15G87G75G76G86G86G92G86G87G72G80G76G86G69G68G86G72G71G82G81G87G88G85G69G76G81G72G73G82G79G79G82G90G70G82G82G85G71G76G81G68G87G72G71G70G82G81G87G85G82G79G86G92G86G87G72G80G30G55G75G72G81G15G90G72G68G71G82G83G87G73G72G72G71G73G82G85G90G68G85G71G71G72G70G82G88G83G79G76G81G74G68G81G71G71G76G68G74G82G81G68G79G80G68G87G85G76G91G71G72G70G82G88G83G79G76G81G74G87G90G82G80G72G87G75G82G71G86G70G82G82G85G71G76G81G68G87G72G71G70G82G81G87G85G82G79G86G92G86G87G72G80G82G73G86G88G83G72G85G70G85G76G87G76G70G68G79G88G81G76G87G86G76G80G88G79G68G87G72G71G85G72G86G72G68G85G70G75G15G70G82G80G83G68G85G72G71G72G70G82G88G83G79G76G81G74G70G82G81G87G85G82G79G68G81G71G81G82G87G71G72G70G82G88G83G79G76G81G74G70G82G81G87G85G82G79G72G73G73G72G70G87G68G81G71G70G82G80G83G79G72G87G72G79G92G71G72G70G82G88G83G79G76G81G74G86G76G81G74G79G72G79G82G82G83G70G82G81G87G85G82G79G72G73G73G72G70G87G68G73G87G72G85G87G75G72G71G76G73G73G72G85G72G81G70G72G30G41G76G81G68G79G79G92G15G82G81G87G75G72G88G81G76G87G70G82G81G87G85G82G79G72G73G73G72G70G87G15G88G86G76G81G74G76G80G83G85G82G89G72G71G76G81G87G72G74G85G68G79G86G72G83G68G85G68G87G76G82G81G51G44G39G70G82G81G87G85G82G79G68G79G74G82G85G76G87G75G80G73G82G85G86G88G83G72G85G70G85G76G87G76G70G68G79G88G81G76G87100G79G82G68G71G80G82G71G72G79G68G81G71G86G76G80G88G79G68G87G76G82G81G90G76G87G75G87G75G72G70G82G81G89G72G81G87G76G82G81G68G79G51G44G39G70G82G81G87G85G82G79G68G79G74G82G85G76G87G75G80G76G86G70G82G80G83G68G85G72G71G15G85G72G86G88G79G87G86G86G75G82G90G87G75G68G87G29G76G81G87G72G74G85G68G79G51G44G39G70G82G81G87G85G82G79G68G79G74G82G85G76G87G75G80G76G86G69G72G87G87G72G85G87G75G68G81G70G82G81G89G72G81G87G76G82G81G68G79G51G44G39G70G82G81G87G85G82G79G68G79G74G82G85G76G87G75G80G70G68G81G86G76G74G81G76G73G76G70G68G81G87G79G92G85G72G71G88G70G72G87G75G72G86G92G86G87G72G80G82G89G72G85G86G75G82G82G87G86G15G80G68G78G72G87G75G72G86G92G86G87G72G80G80G82G85G72G75G68G86G87G72G81G68G81G71G86G87G68G69G79G72G82G83G72G85G68G87G76G82G81KEYWORDG55G75G72G70G82G82G85G71G76G81G68G87G72G71G70G82G81G87G85G82G79G86G92G86G87G72G80G11G38G38G54G12G30G39G72G70G82G88G83G79G76G81G74G30G51G44G39G70G82G81G87G85G82G79G79G72G85G30G51G44G39G70G82G81G87G85G82G79G79G72G85G88G86G76G81G74G76G81G87G72G74G85G68G79G86G72G83G68G85G68G87G76G82G81畢業(yè)設(shè)計(jì)說明書（論文）目錄前言1第一章緒論211單元機(jī)組協(xié)調(diào)控制系統(tǒng)的研究目的及意義212單元機(jī)組協(xié)調(diào)控制系統(tǒng)的研究現(xiàn)狀2121國(guó)內(nèi)外協(xié)調(diào)控制的應(yīng)用現(xiàn)狀313研究?jī)?nèi)容與研究計(jì)劃4第二章機(jī)爐協(xié)調(diào)控制系統(tǒng)概述621協(xié)調(diào)控制系統(tǒng)概述126211協(xié)調(diào)控制系統(tǒng)的基本策略822協(xié)調(diào)控制系統(tǒng)的數(shù)學(xué)模型分析10221超臨界機(jī)組協(xié)調(diào)控制系統(tǒng)的特點(diǎn)10222超臨界機(jī)組協(xié)調(diào)控制系統(tǒng)的數(shù)學(xué)模型15第三章多變量耦合系統(tǒng)概述2131概述2132前饋補(bǔ)償解耦法2733對(duì)角矩陣法2834解耦控制效果比較34341模型降階534342前饋補(bǔ)償法開環(huán)解耦控制效果比較41343對(duì)角矩陣法開環(huán)解耦控制效果的比較4635小結(jié)51第四章協(xié)調(diào)控制系統(tǒng)的控制策略5341機(jī)跟爐協(xié)調(diào)控制系統(tǒng)54411補(bǔ)償鍋爐側(cè)擾動(dòng)的機(jī)跟爐協(xié)調(diào)系統(tǒng)54412補(bǔ)償汽機(jī)側(cè)擾動(dòng)的機(jī)跟爐協(xié)調(diào)系統(tǒng)55413實(shí)現(xiàn)雙向補(bǔ)償?shù)臋C(jī)跟爐協(xié)調(diào)系統(tǒng)5642爐跟機(jī)協(xié)調(diào)控制系統(tǒng)57畢業(yè)設(shè)計(jì)說明書（論文）421補(bǔ)償鍋爐側(cè)擾動(dòng)的爐跟機(jī)協(xié)調(diào)系統(tǒng)57422補(bǔ)償汽機(jī)側(cè)擾動(dòng)的爐跟機(jī)協(xié)調(diào)系統(tǒng)58423實(shí)現(xiàn)雙向補(bǔ)償?shù)臓t跟機(jī)協(xié)調(diào)系統(tǒng)58第五章協(xié)調(diào)控制系統(tǒng)的仿真研究與分析6051解耦后單回路控制系統(tǒng)的整定6052前饋法閉環(huán)解耦與等效單回路控制效果的比較67521前饋法閉環(huán)解耦后的整定67522前饋補(bǔ)償法閉環(huán)解耦控制系統(tǒng)與等效單回路控制系統(tǒng)的仿真比較7253對(duì)角矩陣法閉環(huán)解耦與等效單回路控制效果的比較74531對(duì)角矩陣法解耦后的整定74532對(duì)角矩陣法解耦控制系統(tǒng)與等效單回路控制系統(tǒng)的仿真比較7954小結(jié)81第六章改進(jìn)積分算法的協(xié)調(diào)控制系統(tǒng)仿真研究8261采用積分分離PID控制器的仿真研究8262小結(jié)87第七章結(jié)論89參考文獻(xiàn)90G14280G1688692畢業(yè)設(shè)計(jì)說明書（論文）A8A9A10前言G1259G6164G2620G11705G712G6117國(guó)現(xiàn)階G8585G8503G3800G3324G11017G2159G5326G16786的G20652G4804G7411G452G7693G6466國(guó)G4490的G256G2325一五G257G11017G2159G16280劃G7122010G5192G2469G11017G16025機(jī)G4570G16213G17810G205258G7946G1171G2327G10938G5050G2503G712G1866G1025G9791G11017G33244G1171G2327G10938G1209G990G712G256G2325一五G257G11017G2159G4445G6502G6249G1147G3324165G1171G2327G10938G5050G2503G712G13792G1866G1025G9791G11017G10388500G987G2327G10938G712G20522020G5192G1852國(guó)G16280劃G16025機(jī)容量G20056計(jì)G17810G20529G79495G1171G2327G10938G5050G2503G712G1866G102563G705G1038G9791G11017G16025機(jī)容量G452G13792現(xiàn)階G8585300G48G58G451600G48G58等G3835容量G451G20652參數(shù)G451單元制機(jī)組G5062G13475G6116G1038G9791G2159G2469G11017的G1039G2159機(jī)組G7121000G48G58G1075G5062G19482G13505G6249G1849G10995G1147G452目前G712超臨界機(jī)組G7171G6117國(guó)G7044G5326G6122G6205G5326G9791G2159G2469G11017G2390的G1039G8981機(jī)組G712G19555G11540G17246G7481G17246G7481多的G3835容量G451G20652參數(shù)機(jī)組的G6249G17828G712現(xiàn)G1207G2282G11017G2159G10995G1147對(duì)機(jī)組G17828G15904G4445G1852G5627G451G13475G8994G5627G16213G8726的G6564G20652G712G1363G1866G14270動(dòng)G2282G8712G5191G1075G5483G2052G1114G5468G3835的G6564G20652G712G14270動(dòng)G2282G5062G13475G3324G10995G1147G17819G12255G1025G17227G2052G1114G14279G1863G18337G16213的G1328用G452超臨界機(jī)組G7171G1209汽G8712一G8437G5502環(huán)G1038特G5461的G11464G8981鍋爐G712G7171G5390耦合G451G19762G13459G5627G451多參數(shù)的G15999控對(duì)G16949G712G5529G20047G2528G7114考G15397鍋爐G5827G5627較G3835G712汽機(jī)G2465應(yīng)較G5567的特點(diǎn)G712G4570機(jī)爐G11487G1328G13864系G13051G4506的一G1319G2282對(duì)G16949G712采用協(xié)調(diào)控制G708G38G38G54G709策略G727單元機(jī)組協(xié)調(diào)控制系統(tǒng)G7171G3324常G16280的機(jī)爐局部控制系統(tǒng)的基礎(chǔ)G990G2469展G17227G7481的復(fù)雜控制系統(tǒng)G712具有多種控制功能G712能夠滿足不G2528G17828G15904方式和不G2528工況下的控制G16213G8726G452G19555G11540技術(shù)的G2469展G712對(duì)單元機(jī)組控制G6564出更G20652的G16213G8726G712研究單元機(jī)組協(xié)調(diào)控制系統(tǒng)G712G4570有助于G6564G20652G9791G11017G2390的G14270動(dòng)G2282G12255度和G4445G1852G13475G8994G17828G15904G8712G5191G712因此具有G5468G18337G16213的現(xiàn)實(shí)意義G727又由于協(xié)調(diào)控制系統(tǒng)的G15999控對(duì)G16949G7171一個(gè)多變量G15999控對(duì)G16949G712具有G19762G13459G5627G451參數(shù)G7114變G451G3835遲延等特G5627G452G13792且機(jī)G451爐耦合嚴(yán)G18337G712機(jī)G451爐響應(yīng)特G5627差異巨G3835G712精確的數(shù)學(xué)模型難于G5483G2052G712常G16280機(jī)爐協(xié)調(diào)控制系統(tǒng)的控制策略遠(yuǎn)遠(yuǎn)不能滿足G11017網(wǎng)對(duì)單元機(jī)組協(xié)調(diào)控制系統(tǒng)的G16213G8726G452因此G712需G16213對(duì)單元機(jī)組協(xié)調(diào)控制系統(tǒng)的G15999控對(duì)G16949特G5627及控制策略進(jìn)G15904深G1849研究G452畢業(yè)設(shè)計(jì)說明書（論文）A11A12A13第一章緒論11單元機(jī)組協(xié)調(diào)控制系統(tǒng)的研究目的及意義近G5192G7481G712G19555G11540G6117國(guó)G11017G2159工業(yè)G1319制改革及G11017G2159G5326G16786步伐的加G5567G712長(zhǎng)G7411制約國(guó)民G13475G8994G2469展和人民G10995活G8712G5191G6564G20652的G11017G2159G13051缺問題基本G5483G2052緩解G452但G7171G712由于用G11017結(jié)構(gòu)G2469G10995明顯變G2282G712G11017網(wǎng)負(fù)荷G4804谷差呈不斷增G3835趨勢(shì)G712G11017G2159系統(tǒng)面臨G11540G11017網(wǎng)G4804谷差偏G3835G451調(diào)G4804能G2159不足的矛盾G452G11017網(wǎng)AGC控制對(duì)單元機(jī)組G6564出G1114深度調(diào)G4804的G16213G8726G452對(duì)單元機(jī)組G7481說G712G1075就G7171對(duì)G1866協(xié)調(diào)控制系統(tǒng)的控制品質(zhì)G6564出G1114更G20652的G16213G8726G452G1039G16213包括G3835范圍的負(fù)荷變動(dòng)G712良好的負(fù)荷動(dòng)靜態(tài)跟蹤G5627能G451穩(wěn)定G5627能等G452目前G712G6117國(guó)G1025小機(jī)組還占相當(dāng)G3835的比例G712且G14270動(dòng)G2282G8712G5191較低G712造G6116G38G38G54的G6249G1849率G5468低G452即G1363G7171G3835容量的G7044機(jī)組G712G1866G38G38G54的G6249G1849G8712G5191G1075往往不能適應(yīng)G11017網(wǎng)AGG38的G16213G8726G452因此G712G16786計(jì)合理適用的協(xié)調(diào)控制系統(tǒng)方案G451改造不G2528容量的G7044老機(jī)組G7171迫切需G16213解決的實(shí)際問題G452單元機(jī)組協(xié)調(diào)控制系統(tǒng)把鍋爐和汽輪機(jī)G2469G11017機(jī)組G1328G1038一個(gè)整G1319進(jìn)G15904控制G712采用G1114遞階控制系統(tǒng)結(jié)構(gòu)G712把G14270動(dòng)調(diào)節(jié)G451邏輯控制G451G13864鎖保護(hù)等功能有機(jī)的結(jié)合G3324一G17227G712構(gòu)G6116一種具有多種控制功能G712滿足不G2528G17828G15904方式和不G2528工況下控制G16213G8726的綜合控制系統(tǒng)G452單元機(jī)組協(xié)調(diào)控制系統(tǒng)的G16786計(jì)充分利用G1114機(jī)爐對(duì)G16949特G5627方面的特點(diǎn)G712采用G1114前饋G451補(bǔ)償G451多變量解耦等控制策略G712G1363控制系統(tǒng)具有合理G451可G19764G451G7143于G13512護(hù)調(diào)整等G1260點(diǎn)G45212單元機(jī)組協(xié)調(diào)控制系統(tǒng)的研究現(xiàn)狀G1268統(tǒng)意義G990的協(xié)調(diào)控制有G1016種劃分方式一種G7171G7693G6466系統(tǒng)G2469展的基礎(chǔ)G6365G10043機(jī)跟爐G6122爐跟機(jī)的方式G7481劃分G452G2490一種G7171G1186能量G5191G15925的G16278點(diǎn)出G2469G712G4570協(xié)調(diào)控制系統(tǒng)分G1038G11464G6521能量G5191G15925DEB和G19400G6521能量G5191G15925系統(tǒng)IEBG1016G3835G12879G452協(xié)調(diào)控制的本質(zhì)就G7171G13512G6357機(jī)組G3324G17828G15904G17819G12255G1025機(jī)爐G1055G19400G1391需能量的G5191G15925G452G17902常把機(jī)前G2399G2159PG1328G1038鍋爐G17767出能量與汽機(jī)需G8726能量G1055G19400G5191G15925的特G5461參數(shù)G452G17902G17819控制G19400G6521參數(shù)G7481G13512G6357整個(gè)機(jī)組能量G5191G15925的系統(tǒng)G712G12228G1038G19400G6521能量G5191G15925系統(tǒng)G452G17902G17819構(gòu)造出能量G5191G15925G1461G2507G712G5194G1209此G11464G6521控制能量G17767G1849的系統(tǒng)G712G12228G1038G11464G6521能量G5191G15925系統(tǒng)01G452G1186目前工G12255G20058G3507的應(yīng)用G7481G11487G712G7092論G7171G11464G6521能量G5191G15925協(xié)調(diào)控制系統(tǒng)還G7171G19400G6521能量G5191G15925協(xié)調(diào)控制系統(tǒng)G18129G4658于近G1296解G12108G16786計(jì)方法范G11080G452G17837G12879系統(tǒng)G17902常具有G1209下局G19492G5627LG19400G6521能量G5191G15925協(xié)調(diào)控制系統(tǒng)的G16786計(jì)往往G7171G3324機(jī)爐G10432G12447控制回路的基礎(chǔ)畢業(yè)設(shè)計(jì)說明書（論文）A14A15A16G990加G1849前饋控制G452G17837種G16786計(jì)G7171基于靜態(tài)的近G1296解G12108G452因此G7092法考G15397系統(tǒng)的不確定G5627擾動(dòng)G451G19762G13459G5627等因G13044G452系統(tǒng)的G21077G7846G5627能較差G4522鍋爐系統(tǒng)的G3835G7114延G451G3835G5827G5627等問題G8821有充分的考G15397G452因此G5468難G3324G5567G17907的汽輪機(jī)控制回路和相對(duì)較G5942的鍋爐控制回路G1055G19400G17810G2052G5567G17907的能量G5191G15925G4523系統(tǒng)的G16786計(jì)與整定一G14336基于特定的工G1328點(diǎn)G13459G5627G2282G3800理G712G8821有考G15397動(dòng)態(tài)G19762G13459G5627及G3835范圍適應(yīng)G5627等G4524基于G12628G2282的G5326G12447G3324G1268遞G2001數(shù)基礎(chǔ)G990的單元機(jī)組動(dòng)態(tài)數(shù)學(xué)模型G7481G16786計(jì)的協(xié)調(diào)控制系統(tǒng)G7092法考G15397相G1863系統(tǒng)相對(duì)較G5381的G12108合G1863系的G5445響及機(jī)組的動(dòng)態(tài)G7114變G5627等02G452121國(guó)內(nèi)外協(xié)調(diào)控制的應(yīng)用現(xiàn)狀目前,國(guó)內(nèi)的協(xié)調(diào)控制系統(tǒng)基本G990G18129G7171G3324G5353進(jìn)系統(tǒng)的基礎(chǔ)G990G16786計(jì)和改進(jìn)的G712國(guó)內(nèi)G2390G4490G1209和利G7114G1856G2508的HS2000系G2027比較G6116功G712但G5078G3342占有率還G5468低G712國(guó)內(nèi)G1259多G11017G2390G5062G6116功G3332應(yīng)用G1114國(guó)外的控制系統(tǒng)G452G5203G1008G8813角G2469G11017G2390AG23903G2507機(jī)組采用G5515國(guó)HARTMANNG1039汽G2399G2159PMPAG1025G19400點(diǎn)G9959G1552HKJ/KGG13485煤量BT/HG13485G8712量WT/HG452對(duì)G2520組數(shù)G6466進(jìn)G15904去G3134G3800理后G17902G17819G13546G12255對(duì)G15999控對(duì)G16949進(jìn)G15904多變量系統(tǒng)的整G1319G17788G16794G452數(shù)G6466的去G3134采用G17731G19420G1552G3800理方法G452例G3926G13485煤量數(shù)G6466去G3134MATLAB實(shí)現(xiàn)G16833G2489G1038M3XWDENB,RIGRSURE,S,MLN,M,SYM4采用G990述G14270適應(yīng)G17963G1268系統(tǒng)G17788G16794方法進(jìn)G15904G17788G16794G712G17788G16794結(jié)果G1038G726BESTS1576942,31904,422122,03027,105315,19382,49925,88999,45,8783,944774,227701,1280847,1053025,877958,82869,1015385,750311,412927,1057540,1457527,304466,753121,108201,165258,22897即100負(fù)荷下的G1268遞G2001數(shù)G1038G7261S1548783899981576942SSG11SG70815G70910847128177012214774941904312SSSSGG70816G70917958871302510521224221SSGG70817G709畢業(yè)設(shè)計(jì)說明書（論文）A53A54A55A561538510112968830270S22SSGG70818G709175401051292741103117553151023SSSSSGG70819G70913121751446630175271459382132SSSGG70820G709129872152581618201109925433SSSGG70821G709分別對(duì)汽機(jī)調(diào)G19388開度階G17303變G22821G712G13485煤量階G17303變G22821T/H,則G3324100工況下功率G451G1039汽G2399G2159G451G1025G19400點(diǎn)G9959G1552G17767出響應(yīng)分別G3926圖29G451210G6164示G4521G451汽機(jī)調(diào)G19388開度T階G17303變G22821響應(yīng)G7366G13459G712G3926圖29G6164示G726畢業(yè)設(shè)計(jì)說明書（論文）A57A58A59A60A功率響應(yīng)G7366G13459AG2399G2159響應(yīng)G7366G13459圖29汽機(jī)調(diào)G19388開度階G17303變G22821響應(yīng)G7366G134592G451G13485煤量B階G17303變G22821T/H響應(yīng)G7366G13459G712G3926圖210G6164示A功率響應(yīng)G7366G13459畢業(yè)設(shè)計(jì)說明書（論文）A61A62A63A64BG2399G2159響應(yīng)G7366G13459CG1025G19400點(diǎn)G9959G1552響應(yīng)G7366G13459圖210G13485煤量階G17303變G22821T/H響應(yīng)G7366G13459G17902G17819圖210與圖26的比較G2469現(xiàn)G712此G3800選擇的數(shù)學(xué)模型的階G17303響應(yīng)G7366G13459與超臨界機(jī)組的動(dòng)態(tài)特G5627基本有一G14280G712G7171G12538合超臨界協(xié)調(diào)控制系統(tǒng)的數(shù)學(xué)模型G452畢業(yè)設(shè)計(jì)說明書（論文）A65A66A67A68第三章多變量耦合系統(tǒng)概述31概述超臨界機(jī)組協(xié)調(diào)控制系統(tǒng)G7171一個(gè)多變量控制系統(tǒng)G712G1186理論G990說G712G4448G1852可G1209G6365多變量控制理論進(jìn)G15904控制系統(tǒng)的G16786計(jì)G452但由于G2475控對(duì)G16949數(shù)學(xué)模型的精度不G20652G451控制器結(jié)構(gòu)復(fù)雜G451G16786計(jì)方法不G1427于工G12255技術(shù)人員G6496G6581等G7477G1226G19492制G712目前G11464G6521G6365G10043多變量控制系統(tǒng)分析G16786計(jì)理論進(jìn)G15904單元機(jī)組協(xié)調(diào)控制系統(tǒng)的G16786計(jì)與綜合G712還G3800于初級(jí)階G8585G452但G19555G11540多變量控制技術(shù)的G2469展與G4448G2904及計(jì)算機(jī)控制系統(tǒng)的G5203G8879應(yīng)用G712G17837一問題G4570G17892步G5483G2052解決G452當(dāng)回路G19400G4396G3324嚴(yán)G18337耦合G7114G712即G1363采用最好的回路G2317配G1075G5483不G2052滿意G5483控制效果G452一種G12628單G451有效解決方法G7171對(duì)系統(tǒng)進(jìn)G15904解耦G452解耦的本質(zhì)G3324于G16786計(jì)一個(gè)計(jì)算網(wǎng)G13488G712用G4439去G6281消G17819G12255G1025的G1863G13864G712G1209保證G2520個(gè)單回路控制系統(tǒng)能G10432G12447工G1328G452下面G6117們G1209G7588G23901000MW超臨界機(jī)組G3324100負(fù)荷下協(xié)調(diào)控制系統(tǒng)的三G17767G1849G708汽輪機(jī)調(diào)G19388開度TG451G13485煤量BG451G13485G8712量WG709三G17767出功率NG451G1039汽G2399PG451G1039汽溫TG451G1025G19400點(diǎn)G9959G1552H的數(shù)學(xué)模型進(jìn)G15904解耦控制G452WBGGGGGGGHPNT33322322211211001211BGGTN232221BGWGGPT3332WGBGH1S1548783899981576942SSG11S10847128177012214774941904312SSSSG17958871302510521224221SSG1538510112968830270S22SSG175401051292741103117553151023SSSSSG畢業(yè)設(shè)計(jì)說明書（論文）A69A70A70A7113121751446630175271459382132SSSG129872152581618201109925433SSSG一、三輸入三輸出的相對(duì)增益相對(duì)增益是一個(gè)尺度，用來衡量一個(gè)預(yù)先選定的調(diào)節(jié)量J對(duì)一個(gè)特定的被調(diào)量YI的影響。對(duì)于一個(gè)三輸入三輸出的多變量系統(tǒng)，假設(shè)Y是包含系統(tǒng)所有被調(diào)量YIY1NY2PY3H的列向量，是包含所有調(diào)節(jié)量J1T2B3W的列向量。為了衡量系統(tǒng)的關(guān)聯(lián)性質(zhì)首先在所有其他回路均為開環(huán)，即所有其他調(diào)節(jié)量都保持不變的情況下，得到開環(huán)增益矩陣P，這里記作PY其中，矩陣P的元素PIJ的靜態(tài)值稱為J到Y(jié)I通道的第一放大倍數(shù)。它是指調(diào)節(jié)量J改變了一個(gè)時(shí)，其他調(diào)節(jié)量R（RJ）均不變的情況下，J與YI之間通道的開環(huán)增益。顯然它就是除J到Y(jié)I通道以外，其他通道全部斷開時(shí)所得到的J到Y(jié)I通道的靜態(tài)增益，可表為RJIIJYP然后，在所有其他回路均閉合，即保持其他被調(diào)量都不變的情況下，找出各通道的開環(huán)增益，記作矩陣Q。它的元素QIJ的靜態(tài)值稱為J到Y(jié)I通道的第二放大倍數(shù)。它是指利用閉合回路固定其他被調(diào)量時(shí)J到Y(jié)I的開環(huán)增益。QIJ可以表為RYJIYIJQ有了矩陣P和Q，取它們相應(yīng)元素的比值構(gòu)成新的矩陣G289。元素IJ可以G1901作RRYJIJIIJIJIJYYQPG990G5347即為J到Y(jié)I這個(gè)通道的相對(duì)增益，矩陣G289G2029稱為相對(duì)增益矩陣。所以G16825G6523G2058系統(tǒng)的第一放大倍數(shù)G2010G2047為畢業(yè)設(shè)計(jì)說明書（論文）A72A73A74A7511BWT1111NP32GY12W2112T31NPGBY0NPB3113T21WY21BW1221PP32GYT22W2222T31PPGBY23B3223T21NPGWY0HPBW133131TY32W2332T31HPGBY33B3333T21HPGWY第二放大倍數(shù)分別為PHT1111NQ32YYY由于1211BGGTN（1）232221BGWGGPT（2）3332WGBGH（3）將N分別用P、H、T表示由（3）式得3332GBGHW4將（4）帶入（2）式得BBG333223223323212333322221GGGGGHGGGGBGHGPTT畢業(yè)設(shè)計(jì)說明書（論文）A76A77A78A79故32233322233321T3333322322332321TGGGGHGGGPGGGGGGHGGPB所以12322333222333213311TGNGGGGGHGGGPGT所以3223332233211211PHT1111GNQ32GGGGGGGYYY同理可得332132231133221112PH2112GNQ32GGGGGGGGBYYY331232231133221121NHT1221GGGGGPQ31GGGGYYY331132231133211222NH2222GGGGGGGGGPQ31BYYY321133211233221123NH3223PQ31GGGGGGGGGWYYY231133211233221132NP2332HQ21GGGGGGGGGBYYY2112221132231133NP3333GHQ21GGGGGGGWYYY所以該系統(tǒng)的相對(duì)增益矩陣為33211232231133221132231133221111111111113232GGGGGGGGGGGGGGGYYQPYY3223113322113321123321122121121212GGGGGGGGGGGG3231YYYYQP032213131131313YYYYQP畢業(yè)設(shè)計(jì)說明書（論文）A80A81A82A8332231133221133211233211212122121213132GGGGGGGGGGGGYYQPYY32231133211233221133221122222222223131GGGGGGGGGGGGYYQPYY3321123322113223113223113232232323GGGGGGGGG3121GGGYYQPYY021321313113131YYYYQP3321123322113223113223112323323232GGGGGGGGG2131GGGYYQPYY3223113321123322113321123322113333333333GGGGGGGGGGGGGGG2121YYYYQP令0S，則傳遞函數(shù)的靜態(tài)值為01S1548783899981576942SSG11S1904310847128177012214774941904312SSSSG21224217958871302510521224221SSG302701538510112968830270S22SSG0175401051292741103117553151023SSSSSG畢業(yè)設(shè)計(jì)說明書（論文）A84A85A86A879382113121751446630175271459382132SSSG99254129872152581618201109925433SSSG所以系統(tǒng)的靜態(tài)相對(duì)增益為011；112；013121；022；023031；032；133即100001010由上述相對(duì)增益可可發(fā)現(xiàn)111332112，表明靜態(tài)時(shí)由1Y和2組成的控制回路與其他回路之間沒有關(guān)聯(lián)；由2Y和1組成的控制回路與其他回路之間沒有關(guān)聯(lián)；由3Y和3組成的控制回路與其他回路之間沒有關(guān)聯(lián)；而0,323123221311IJ，則表明不能用J來控制IY。根據(jù)靜態(tài)相對(duì)增益，得到靜態(tài)時(shí)系統(tǒng)的單回路控制系統(tǒng)如圖31圖31根據(jù)靜態(tài)相對(duì)增益得到單回路控制系統(tǒng)根據(jù)相對(duì)增益矩陣，可將該機(jī)組100負(fù)荷下的數(shù)學(xué)模型轉(zhuǎn)化為如圖32形式畢業(yè)設(shè)計(jì)說明書（論文）A88A89A90A91圖32根據(jù)相對(duì)增益調(diào)整后的數(shù)學(xué)動(dòng)態(tài)模型32前饋補(bǔ)償解耦法前饋補(bǔ)償法是自動(dòng)控制中最早出現(xiàn)的一種克服干擾的方法，同樣適用于解耦控制系統(tǒng)。圖所示為應(yīng)用前饋補(bǔ)償器來解除系統(tǒng)間耦合的方法，假定從T到1C通路中的補(bǔ)償器為11D，從W到2C通路中的補(bǔ)償器為23D,從B到2C通路中的補(bǔ)償器為22D,從B到3C通路中的補(bǔ)償器為32D,利用補(bǔ)償原理得到圖33畢業(yè)設(shè)計(jì)說明書（論文）A92A93A94A95圖33前饋補(bǔ)償法解耦控制系統(tǒng)0GD0G0GD0GD333232121111212323212222GGDGG由上四式可分別解出補(bǔ)償器的數(shù)學(xué)模型1S8783451999S319048811280847S177012214774946942157121111SSSGGD1538510112968821224217958871302510530270212222SSSSGGD1750410512927411031175212242179588713025105531510212323SSSSSSGGD1S1753121499251451122987SS11652588201S1938210GGD33323233對(duì)角矩陣法研究某廠1000MW燃煤機(jī)組在100負(fù)荷上三輸入三輸出的控制系統(tǒng)如圖32所示，設(shè)33322322211211SDSDSDSDSDSDSD、均為解耦器。為計(jì)G12651畢業(yè)設(shè)計(jì)說明書（論文）A96A97A98A99出解耦器的數(shù)學(xué)模型，G1820G1901出該系統(tǒng)的G1268G17894矩陣GG708SG709。由靜態(tài)相對(duì)增益，原控制圖形G17839G15904G1114調(diào)整，調(diào)整后的G1268G17894矩陣為0SG033322321221112SGSGSGSGSGSGSGG15999調(diào)G18339YI和調(diào)G14422G18339I之間的矩陣為00SSYS32133322321221112321SMSMSMSGSGSGSGSGSGSGYYG7081G709調(diào)G14422G18339MIS與調(diào)G14422器輸出MCIS之間的矩陣為00SMSMSM32133322321221112321SMSMSMSDSDSDSDSDSDSDCCCG7082G709將G7082G709式G1207入G7081G709式得到系統(tǒng)G1268G17894矩陣為0000SSYS3213332232122111233322321221112321SMSMSMSDSDSDSDSDSDSDSGSGSGSGSGSGSGYYCCCG7083G709對(duì)G16294矩陣G13520合法即G16213G1363系統(tǒng)G1268G17894矩陣成為如下形式000000SSYS321332112321SMSMSMSGSGSGYYCCCG7084G709將G7083G709式和G7084G709式相G8616G17751可G11705，G8454G1363G1268G17894矩陣成為對(duì)G16294矩陣，則G16213G1363SG000SG000SG00003321123332232122111233322321221112SDSDSDSDSDSDSDSGSGSGS