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基于最小二乘算法的模糊支持向量机控制器及其应用
引用本文:程启明,王勇浩.基于最小二乘算法的模糊支持向量机控制器及其应用[J].中国电机工程学报,2007,27(8):76-80.
作者姓名:程启明  王勇浩
作者单位:1. 上海电力学院电力与自动化学院,上海市,杨浦区,200090
2. 上海理工大学光电学院,上海市,杨浦区,200090
基金项目:上海市教育重点科研项目;上海市重点学科建设项目
摘    要:介绍了一种基于最小二乘算法的模糊支持向量机控制器,它将模糊控制与支持向量机结合起来,融合了两者的优点,既有不依赖被控对象模型又有泛化能力强等特点。同时采用混合学习算法来优化控制器参数,即先采用最小二乘算法离线优化支持向量机(SVM)性能参数,建立SVM控制系统,再根据对象的变化,采用遗传(GA)算法在线学习优化SVM性能参数和模糊比例因子,以使控制器的性能能适应对象的变化而达到最优。火电厂主汽温控制的仿真结果表明这种控制器具有良好的控制性能。

关 键 词:支持向量机  模糊支持向量网络  最小二乘算法  遗传算法  主汽温
文章编号:0258-8013(2007)08-0076-05
收稿时间:2006-08-16
修稿时间:2006年8月16日

The Fuzzy Support Vector Network Controller Based on Least Square Algorithms and Its Application
CHENG Qi-ming,WANG Yong-hao.The Fuzzy Support Vector Network Controller Based on Least Square Algorithms and Its Application[J].Proceedings of the CSEE,2007,27(8):76-80.
Authors:CHENG Qi-ming  WANG Yong-hao
Abstract:The fuzzy support vector controller based on least square algorithms was discussed.The controller integrated fuzzy control and support vector machine together,and digested the advantages of both fuzzy control and support vector networks.It was independent of the controlled object model,and had also good general change ability.The controller parameters were optimized by the hybrid learning algorithm,i.e.in a first step,least square algorithm was used for off-line optimization to form support vector machines(SVM) control system,then genetic algorithm was used for on-line optimization get the optimal control performance on the controlled object.The simulations on electric plant main steam temperature control system show that the controller is of good performance.
Keywords:support vector machine  fuzzy support vector network  least square algorithm  genetic algorithm  main steam temperature
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