| 模糊多模型控制及其对500MW单元机组协调控制系统的仿真研究 |
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| 引用本文： | 陈彦桥,刘吉臻,谭文,曾德良.模糊多模型控制及其对500MW单元机组协调控制系统的仿真研究[J].中国电机工程学报,2003,23(10):199-203. |
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| 作者姓名： | 陈彦桥 刘吉臻 谭文 曾德良 |
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| 作者单位： | 1. 华北电力大学动力工程系,河北,保定,071003
2. 华北电力大学自动化系,北京,102206 |
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| 基金项目： | 高等学校博士学科点专项科研基金(20020079007)，国家电力公司重大科技项目(SP11-2001-02036)~~ |
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| 摘 要： | 为解决火电单元机组协调控制系统的动态非线性和耦合特性，设计了基于T—S模糊模型和动态解耦PID控制器的模糊多模型协调控制系统。首先针对一个500MW单元机组的仿真模型，绘出了其相对非线性测度曲线，并据此得出了单元机组在典型工作点的5个线性化模型；然后对每个线性化模型分别设计了动态解耦PID控制器，并用T—S模糊模型合成出协调控制系统的全局控制器；最后使用Lyapunov稳定性定理及其推论对此协调控制系统的全局稳定性进行了证明。仿真研究证明了控制算法设计的有效性。
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| 关 键 词： | 电厂 模糊多模型控制 500MW单元机组 协调控制系统 PID控制器 |
| 文章编号： | 0258-8013(2003)10-0199-05 |
| 修稿时间： | 2003年5月23日 |
A FUZZY MULTI-MODEL CONTROL AND SIMULATION OF COORDINATED CONTROL SYSTEM FOR 500MW BOILER-TURBINE UNIT |
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| CHEN Yan-qiao,LIU Ji-zhen,TAN Wen,ZENG De-liang.A FUZZY MULTI-MODEL CONTROL AND SIMULATION OF COORDINATED CONTROL SYSTEM FOR 500MW BOILER-TURBINE UNIT[J].Proceedings of the CSEE,2003,23(10):199-203. |
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| Authors: | CHEN Yan-qiao LIU Ji-zhen TAN Wen ZENG De-liang |
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| Affiliation: | CHEN Yan-qiao1,LIU Ji-zhen1,TAN Wen2,ZENG De-liang1 |
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| Abstract: | In order to solve the problem of nonlinear and couple characteristics of the coordinated control system for fossil-fired boiler-turbine unit, a fuzzy multi-model control system based on T-S fuzzy model and dynamic decouple PID is proposed. First a relative nonlinear measure curve of 500MW boiler-turbine unit model is drawn, and then based on this curve, 5 linearized models of the unit at representative working points are obtained, a dynamic decouple PID controller for each linear model is designed and a global controller of the coordinated control system is composed by T-S fuzzy model. Finally, the global asymptotical stability of the control system is proved by Lyapunov stability theorem and its corollary. A simulation is done to testify the validity of the control algorithm. |
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| Keywords: | Fuzzy multi-model Dynamic de-couple Coordinated control |
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