擴(kuò)展結(jié)構(gòu)大系統(tǒng)的魯棒控制研究畢業(yè)論文-資料下載頁
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【正文】 的大系統(tǒng)都能被鎮(zhèn)定。文中應(yīng)用MATLAB仿真軟件對(duì)擴(kuò)展結(jié)構(gòu)系統(tǒng)的魯棒關(guān)聯(lián)鎮(zhèn)定問題進(jìn)行了仿真研究，驗(yàn)證了算法的有效性，且表明系統(tǒng)具有較強(qiáng)的魯棒性。致謝這次畢業(yè)設(shè)計(jì)從選題到研究方法的制定，從研究過程和結(jié)果分析到成文，一直得到了我的指導(dǎo)教師李小華教授的悉心指導(dǎo)和幫助，李老師淵博的知識(shí)、嚴(yán)謹(jǐn)?shù)闹螌W(xué)態(tài)度、忘我的工作激情，科學(xué)的研究方法，引導(dǎo)我一步一步地走進(jìn)自動(dòng)控制的研究領(lǐng)域，幫助我攻克了論文中遇到的一個(gè)又一個(gè)困難。使我明確了畢業(yè)論文的定位方向和研究的重點(diǎn)。在此，向李老師致以深深的敬意和衷心的感謝！還要向所有支持我和幫助過我的老師和同學(xué)們致以衷心的感謝。同時(shí)也要感謝學(xué)院為我們提供了設(shè)計(jì)論文的條件和工具。使我們便于查閱相關(guān)的資料和書寫論文。也要感謝圖書館為我們提供了豐富的參考資料。參考文獻(xiàn)[1] Y. Wang, R. Zhou, New robust adaptive loadfrequency control with system parametric uncertainties[C]. IEE proceedings, Part C, 1994, 141(3): 184190.[2] Ray Goshaidas, A. N. Prasad, G. D. Prasad. Design of decentralized robust loadfrequency controller based on the singularvalue deposition method[J]. Electric Power Systems Research, 1996, 37(3): 209219.[3] Ray Goshaidas, A. N. Prasad, G. D. Prasad. A new approach to the design of robust loadfrequency controller for largescale power systems[J]. Electric Power Systems Research, 1999, 51(1): 1322.[4] Mohyi elDin Azzam. An optimal approach to robust controller design for loadfrequency control[C]. IEEE/PES Transmission and Distribution Conference and Exhibition 2002: Asia Pacific New Wave of Tamp。D Technology from Asia Pacific, 2002, 1: 180183.[5] M. Azzam, Yehia S. Mohamed. Robust controller design for automatic generation control based on Qparameterization[J]. Energy conversion and management, 2002, 43: 16631673.[6] D. D. Siljak. Stability of largescale systems under structural perturbations[J]. IEEE Transactions, 1972, SMC2:657663.[7] D. D. Siljak, D. M. Stipanovic. Robust stabilization of nonlinear systems: the LMI approach[J], Mathematical Problems in Engineering, 2000, 6:461493.[8] D. D. Siljak, D. M. Stipanovic. OrganicallyStructured Control[C]. Proceeding of the American Control Conference, 2001, 27362742.[9] Salwa Elloumi, Ennaceur Benhadj Braiek. Robust decentralized control for multi machine power systemsThe LMI Approach[C]. IEEE SMC WA2 M4, 2002, 479483.[10] D. D. Siljak, D. M. Stipanovic. Autonomous decentralized control[C]. Proceedings of 2001 ASME international Mechanical Engineering Congress and Exposition New York, 2001, NYDSC70: 761765. [11] K. Ohtsuka, M. Nishida, K. Yachida. Decentralized control of a multimachine power system[C]. 12th IFAC World Congress, Sydney, 1993, 6: 245248.[12] S. Xie, L. Xie. Stabilization of a class of uncertain largescale stochastic systems with time delays[J]. Automatica, 2000, 36(1): 161167.[13] , D. , S. . Decentralized Control of Mutiarea Mutimachine Overlapping interconnected power systems[C]. Proc. of ICCTA’01, 2001, 420424.[14] , . All Controllers for the General HControl Problem: LMI Existence Conditions and State Space Formulas[J]. Automatica, 1994, 30(8): 13071317.[15] 李小華，賁馳，陳雪波. 多區(qū)域重疊互聯(lián)電力系統(tǒng)的H∞控制[J]. 控制與決策, 2000, 15(6): 712715.[16] . Chen, S. S. Stankovic. Overlapping deposition and decentralized LQG control for interconnected power systems[C], Proc. of IEEE SMC’96, 1996, 3: 19041909.[17] Dulpichet Rerkpreedapong, Amer Hasanovic, Ali Feliachi. Robust load frequency control using genetic algorithms and linear matrix inequalities[J]. IEEE Transactions on Power Systems, 2003, 18(2): 855861.[18] 彭建春, 黃純, 江輝. 兩區(qū)域負(fù)荷頻率的智能自適應(yīng)PID控制[J]. 電力系統(tǒng)及其自動(dòng)化學(xué)報(bào), 1999, 11(2): 2561.[19] H. L. Zeynelgil, , N. S. Sengor. The application of ANN technique to automatic generation control for multiarea power system[J]. Electrical power and energy systems, 2002, 24: 345354. [20] . Linear matrix inequalities in system and control theory[J]. SIAM Studies in Applied Mathematics, 1994, 15.[21] 劉晨暉. 多變量過程控制系統(tǒng)解耦理論[M]. 北京:水利電力出版社, 1984. 附錄 程序清單A1=[0 1。0 0]。B1=[0。1]。C1=[1 2]。G1=[1。0]。H1=[1 1]。K1=[1 2]。A1b=A1B1*K1。g1=eig(A1b)A2=[0 1。1 1]。B2=[0。1]。G2=[0。1]。C2=[1 1]。H2=[1 1]。E1=[0 1。1 0]。h1=G1*1*H2。h2=G2*1*H1。setlmis([])X=lmivar(1,[2,1])。Y=lmivar(1,[2,1])。L=lmivar(2,[1,2])。lmiterm([1 1 1 X],A1b,1,39。s39。)。lmiterm([1 2 1 X],h2,1)。lmiterm([1 2 1 Y],1,h139。)。lmiterm([1 2 2 Y],A2,1,39。s39。)。lmiterm([1 2 2 L],B2,1,39。s39。)。lmiterm([2 1 1 X],1,1)。lmiterm([3 1 1 Y],1,1)。lmis=getlmis。[tmin,xfeas]=feasp(lmis)X=dec2mat(lmis,xfeas,1)Y=dec2mat(lmis,xfeas,2)L=dec2mat(lmis,xfeas,3)K2=L*inv(Y)%現(xiàn)在考察加入了第二個(gè)系統(tǒng)后，整個(gè)系統(tǒng)的穩(wěn)定性A2b=A2B2*K2。g2=eig(A2b)Aa=[A1b h1。h2 A2B2*K2]。Ba=[B1,zeros(2,1)。zeros(2,1),B2]。Ca=[C1,zeros(1,2)。zeros(1,2),C2]。Da=zeros(2,2)。gz=eig(Aa)sys1=ss(Aa,Ba,Ca,Da)。t=0::40。i=length(t)。w1=1*ones(1,i)。w2=1*ones(1,i)。w=[w1。w2]。[y1,Ts1,x1]=lsim(sys1,w,t)。subplot(121),plot(Ts1,y1(:,1),39。b39。),title(39。y139。)。subplot(122),plot(Ts1,y1(:,2),39。b39。),title(39。y239。)。
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