改进的最小二乘算法在热工对象模型辨识中的研究及应用
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摘要
本文以火电厂典型热工过程为实际研究对象,在对热工对象进行机理分析的基础上,从理论的角度研究了如何建立火电厂热力系统的数学模型,并且分析了过热器出口温度的主要影响因素的动态特性;基于火电厂现场实时运行数据,采用改进最小二乘算法类辨识对其数学模型进行辨识,并比较分析了各辨识方法的优缺点,且达到良好的辨识效果。
In this paper, a typical thermal power plant thermal process for the actual object of study, in the mechanism of thermal object based on the analysis, from the theory angle, study how to establish the thermoelectric power station thermodynamic system's mathematical model, and analysis the super-heater outlet temperature major effect factor on dynamic characteristic;Based on thermoelectric power station scene performance data, using improved least-squares algorithm to be used to identification mathematical model of thermal object, And a comparative analysis of the advantages and disadvantages of each identification method, achieve good recognition results.
In this paper, a typical thermal power plant thermal process for the actual object of study, in the mechanism of thermal object based on the analysis, from the theory angle, study how to establish the thermoelectric power station thermodynamic system's mathematical model, and analysis the super-heater outlet temperature major effect factor on dynamic characteristic;Based on thermoelectric power station scene performance data, using improved least-squares algorithm to be used to identification mathematical model of thermal object, And a comparative analysis of the advantages and disadvantages of each identification method, achieve good recognition results.
引文
[1]喻娅娅.控制系统在线闭环辨识与性能评价方法的研究:[硕士学位论文].保定:华北电力大学,2004
[2]刘红波,李少远.火电机组先进智能控制及其应用.北京:科学出版社,2005:1
[3] Chang Liang Liu, Bao Zhen, Zhi Yuan Wang.Structure Design for Real-Time Thermal Performance Analysis and Monitor System of Power Plant. TENCON 2005 IEEE Region 10 Nov. 2005:1～4
[4]张建刚.复杂系统辨识—方法、软件及应用研究:[博士学位论文],北京:北京航空航天大学,1999
[5]钟海秋.现代控制理论.北京:高等教育出版社,2004,11
[6]杨承光,孙棣华,张长胜.系统辨识与自适应控制.重庆:重庆大学出版社,2003.7
[7]张雷.遗传算法在控制系统闭环辨识中的应用研究:[硕士学位论文].保定:华北电力大学,2007
[8] L.Ljung. System Identification: Theory for the User,2nd ed. Englewood Cliffs, Nj:Prentice-Hall,1999
[9]王小妹.基于Matlab/Simulink大型火电机组建模与仿真研究:[硕士学位论文].
[10]赵建英,刘长良,曲晓平.三分仓空气预热器链式结构的集总参数模型.
[11]方崇智,萧德云.过程辨识.北京:清华大学出版社,1988.
[12]叶江明.电厂锅炉原理及设备.北京:中国电力出版社,2004.
[13]石占山,国电太原第一热电厂.锅炉及辅助设备.北京:中国电力出版社,2005.
[14]黄永志.火电机组锅炉主汽温智能PID控制研究:[硕士学位论文].郑州:郑州大学,2007.
[15]刘瑞叶,任洪林,李志民.计算机仿真技术基础.北京:电子工业出版社,2004.6～7.
[16]呂崇德,任挺进,姜学智,程芳真.大型火电机组系统仿真与建模.北京:清华大学出版社,2002.
[17]韩璞,刘长良,李长青.火电站仿真机原理及应用.天津:天津科学技术出版社,1998.8
[18]吕子安,李天铎.单相介质受热管集中参数模型建模方法的改进.系统仿真学报.1993,5(1):1～14
[19] Fan Yongsheng,Xu Zhigao,Chen Laijiu.Study of adaptive fuzzy control of boiler superheated steam temperature based on dynamic mechanism analysis[J]. Proceedings of the CSEE,1997,17(1):23～28
[20]范永胜,眭喆,姜学智,呂崇德,陈来九.两类实用的单相受热管集总参数动态模型修正.动力工程.2000,20(2),4:635～639
[21] ZhengJianxue,ChenTingkuan,ChenXuejun,YangDong.Dynamic Thermal-HydraulicModels For single E-phase Heated Tubes.Advances in Mechanics. 1997, VOL, 27,NO.4:538～548
[22]丁翠菁.换热设备动态特性.北京:水利电力出版社,1993,6
[23]朱豫才.过程控制的多变量系统辨识.长沙:国防科技大学出版社,2005
[24]朱北恒.火电厂热工自动化系统实验.北京:中国电力出版社,2006
[25]倪维斗,李政,孙炘.热力系统中分布参数对象的数值—解析混合仿真方法.航空动力学报.1996,11(1),1:63～66
[26]李科群,林瓦妹.热管式换热器的动态特性.化工进展.2006,25增刊,223～226
[27]闫素英,韩伟实.减温减压器热动力学模型研究.能源技术,2003,24(6),231～234
[28]宁德亮,庞凤阁,高璞珍.喷水减温器动态仿真模型的建立及其解法.核动力工程.2005,26(3),280～290
[29]黄忠霖,周向明.控制系统Matlab计算及仿真实训.北京:国防工业出版社,2006
[30]马进,王兵树,李利平,崔凝.过热器机理模型的遗传算法参数优化方法研究.系统仿真学报.2008,20(9),2433～2436
[31]宋汉武.蒸汽锅炉减温器[M].重庆:科学技术文献出版社重庆分社,1987.6:86-90
[32]章臣樾.锅炉动态特性及其数学模型[M].北京:水利水电出版社,1987:9-51
[33]何荣,金兆裕,杨慧超.300MW火电机组自然循环锅炉模型的建立及动态特性分析.热能动力工程.2003,18(4),7:399～402
[34]朱金荣.600MW超临界锅炉汽温特性的数值模拟.南京工程学院学报(自然科学版).2007,5(3),9:16～23
[35]赵志刚,杨晨,李毅.600MW亚临界锅炉建模与仿真.重庆大学学报(自然科学版).2006,29(7),9:59～63
[36] Wang Guangjun,He Zuwei,Chen Hong.Boiler evaporation system simulation based on neural network and process mechanism characteristic[J].Process of the CSEE,2001,21(11):65～68
[37]曾德良,赵征,陈彦桥,刘吉臻.500MW机组锅炉模型及实验分析.中国电机工程学报.2003,23(5),:149～152
[38]蔡丹,冷伟.300MW机组直流锅炉数学模型及动态特性.热力发电.2007,1:29～31
[39]何荣,全兆裕,杨慧超.300MW火电机组自然循环锅炉模型的建立及动态特性分析.热能动力工程.2003,18(4).7:399～402
[40]刘树清,余圣方,周龙.900MW超临界直流锅炉蒸发器的数学模型与仿真研究.动力工程.2005,25(3),6:335～338
[41]赵建英.60MW火电机组动态模型及其实时仿真研究:[硕士学位论文].保定:华北电力大学,2006
[42] Feng Ding,Tongwen chen,and Li Qiu.Bias Compensation Based Recursive Least-Squares Identification Algorithm for MISO Systems.IEEE Transcations andsystems-II:ExpRess,BRIEFS,VOL,53,NO.5,MAY,2006:349～353
[43] X.H. Lia, H.J. Dua, B. Liu. Improvement of least-squares finite difference method on simulating slider air bearings in head disk systems. ournal of Magnetism and Magnetic Materials:2006 :66～71
[44]刘君,夏智勋.动力学系统辨识与建模.长沙:国防科技大学出版社,2007,1
[45] R. ESCALANTE AND M. RAYDAN. Dykstra's Algorithm for Constrained Least-Squares Rectangular Matrix Problems. Computers Math. Applic,1998,Vol. 35, No. 6:73～79,
[46] E. S. Jin, L. L. Liu, Z. Q. Bo and A Klimek. Parameter Identification of the Transformer Winding based on Least-Squares Method.1～6
[47] Zhuang Wu and Murali R. Rajamani and James B. Rawlings and Jakob Stoustrup. Application of an Autocovariance Least - Squares Method for Model Predictive Control of Hybrid Ventilation in Livestock Stables . Proceedings of the 2007 American Control Conference:3630-3635
[48]张小桃,倪维斗,李政,郑松.基于现场数据热工对象的可辨识性.清华大学学报(自然科学版).2004,44(11):1544～1547
[49]赵文杰,刘吉臻,金秀章,王东风.时滞工业对象的一种建模及控制方法[J].华北电力大学学报,2001,10:29-32
[2]刘红波,李少远.火电机组先进智能控制及其应用.北京:科学出版社,2005:1
[3] Chang Liang Liu, Bao Zhen, Zhi Yuan Wang.Structure Design for Real-Time Thermal Performance Analysis and Monitor System of Power Plant. TENCON 2005 IEEE Region 10 Nov. 2005:1～4
[4]张建刚.复杂系统辨识—方法、软件及应用研究:[博士学位论文],北京:北京航空航天大学,1999
[5]钟海秋.现代控制理论.北京:高等教育出版社,2004,11
[6]杨承光,孙棣华,张长胜.系统辨识与自适应控制.重庆:重庆大学出版社,2003.7
[7]张雷.遗传算法在控制系统闭环辨识中的应用研究:[硕士学位论文].保定:华北电力大学,2007
[8] L.Ljung. System Identification: Theory for the User,2nd ed. Englewood Cliffs, Nj:Prentice-Hall,1999
[9]王小妹.基于Matlab/Simulink大型火电机组建模与仿真研究:[硕士学位论文].
[10]赵建英,刘长良,曲晓平.三分仓空气预热器链式结构的集总参数模型.
[11]方崇智,萧德云.过程辨识.北京:清华大学出版社,1988.
[12]叶江明.电厂锅炉原理及设备.北京:中国电力出版社,2004.
[13]石占山,国电太原第一热电厂.锅炉及辅助设备.北京:中国电力出版社,2005.
[14]黄永志.火电机组锅炉主汽温智能PID控制研究:[硕士学位论文].郑州:郑州大学,2007.
[15]刘瑞叶,任洪林,李志民.计算机仿真技术基础.北京:电子工业出版社,2004.6～7.
[16]呂崇德,任挺进,姜学智,程芳真.大型火电机组系统仿真与建模.北京:清华大学出版社,2002.
[17]韩璞,刘长良,李长青.火电站仿真机原理及应用.天津:天津科学技术出版社,1998.8
[18]吕子安,李天铎.单相介质受热管集中参数模型建模方法的改进.系统仿真学报.1993,5(1):1～14
[19] Fan Yongsheng,Xu Zhigao,Chen Laijiu.Study of adaptive fuzzy control of boiler superheated steam temperature based on dynamic mechanism analysis[J]. Proceedings of the CSEE,1997,17(1):23～28
[20]范永胜,眭喆,姜学智,呂崇德,陈来九.两类实用的单相受热管集总参数动态模型修正.动力工程.2000,20(2),4:635～639
[21] ZhengJianxue,ChenTingkuan,ChenXuejun,YangDong.Dynamic Thermal-HydraulicModels For single E-phase Heated Tubes.Advances in Mechanics. 1997, VOL, 27,NO.4:538～548
[22]丁翠菁.换热设备动态特性.北京:水利电力出版社,1993,6
[23]朱豫才.过程控制的多变量系统辨识.长沙:国防科技大学出版社,2005
[24]朱北恒.火电厂热工自动化系统实验.北京:中国电力出版社,2006
[25]倪维斗,李政,孙炘.热力系统中分布参数对象的数值—解析混合仿真方法.航空动力学报.1996,11(1),1:63～66
[26]李科群,林瓦妹.热管式换热器的动态特性.化工进展.2006,25增刊,223～226
[27]闫素英,韩伟实.减温减压器热动力学模型研究.能源技术,2003,24(6),231～234
[28]宁德亮,庞凤阁,高璞珍.喷水减温器动态仿真模型的建立及其解法.核动力工程.2005,26(3),280～290
[29]黄忠霖,周向明.控制系统Matlab计算及仿真实训.北京:国防工业出版社,2006
[30]马进,王兵树,李利平,崔凝.过热器机理模型的遗传算法参数优化方法研究.系统仿真学报.2008,20(9),2433～2436
[31]宋汉武.蒸汽锅炉减温器[M].重庆:科学技术文献出版社重庆分社,1987.6:86-90
[32]章臣樾.锅炉动态特性及其数学模型[M].北京:水利水电出版社,1987:9-51
[33]何荣,金兆裕,杨慧超.300MW火电机组自然循环锅炉模型的建立及动态特性分析.热能动力工程.2003,18(4),7:399～402
[34]朱金荣.600MW超临界锅炉汽温特性的数值模拟.南京工程学院学报(自然科学版).2007,5(3),9:16～23
[35]赵志刚,杨晨,李毅.600MW亚临界锅炉建模与仿真.重庆大学学报(自然科学版).2006,29(7),9:59～63
[36] Wang Guangjun,He Zuwei,Chen Hong.Boiler evaporation system simulation based on neural network and process mechanism characteristic[J].Process of the CSEE,2001,21(11):65～68
[37]曾德良,赵征,陈彦桥,刘吉臻.500MW机组锅炉模型及实验分析.中国电机工程学报.2003,23(5),:149～152
[38]蔡丹,冷伟.300MW机组直流锅炉数学模型及动态特性.热力发电.2007,1:29～31
[39]何荣,全兆裕,杨慧超.300MW火电机组自然循环锅炉模型的建立及动态特性分析.热能动力工程.2003,18(4).7:399～402
[40]刘树清,余圣方,周龙.900MW超临界直流锅炉蒸发器的数学模型与仿真研究.动力工程.2005,25(3),6:335～338
[41]赵建英.60MW火电机组动态模型及其实时仿真研究:[硕士学位论文].保定:华北电力大学,2006
[42] Feng Ding,Tongwen chen,and Li Qiu.Bias Compensation Based Recursive Least-Squares Identification Algorithm for MISO Systems.IEEE Transcations andsystems-II:ExpRess,BRIEFS,VOL,53,NO.5,MAY,2006:349～353
[43] X.H. Lia, H.J. Dua, B. Liu. Improvement of least-squares finite difference method on simulating slider air bearings in head disk systems. ournal of Magnetism and Magnetic Materials:2006 :66～71
[44]刘君,夏智勋.动力学系统辨识与建模.长沙:国防科技大学出版社,2007,1
[45] R. ESCALANTE AND M. RAYDAN. Dykstra's Algorithm for Constrained Least-Squares Rectangular Matrix Problems. Computers Math. Applic,1998,Vol. 35, No. 6:73～79,
[46] E. S. Jin, L. L. Liu, Z. Q. Bo and A Klimek. Parameter Identification of the Transformer Winding based on Least-Squares Method.1～6
[47] Zhuang Wu and Murali R. Rajamani and James B. Rawlings and Jakob Stoustrup. Application of an Autocovariance Least - Squares Method for Model Predictive Control of Hybrid Ventilation in Livestock Stables . Proceedings of the 2007 American Control Conference:3630-3635
[48]张小桃,倪维斗,李政,郑松.基于现场数据热工对象的可辨识性.清华大学学报(自然科学版).2004,44(11):1544～1547
[49]赵文杰,刘吉臻,金秀章,王东风.时滞工业对象的一种建模及控制方法[J].华北电力大学学报,2001,10:29-32