A PARAMETER SELF-ADJUSTING FUZZY WEIGHTED CONTROL OF MULTIVARIABLE NONLINEAR SYSTEM
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摘要: 本文针对多变量非线性系统，提出了一种参数自调整的模糊加权信息融合方法．利用模糊组合变量降低模糊控制系统的维数，根据不同的模糊组合变量对最后决策的作用大小，赋予不同的权重来实现对多变量非线性系统的控制，在利用反向传播算法对量化系数和加权系数进行自学习后，在线进行基于模糊规则的参数自调整，有效地解决了多变量模糊控制系统中难于设计多维规则库和在线实现自适应模糊控制的问题．本文还对所提出的方法进行了仿真实验和实际系统的实验，实验结果证明了该方法的有效性．Abstract: A parameter self-adjusting fuzzy weighted controller of multivariable nonlinear system is designed in this paper. First we use fuzzy composed variables to decrease the fuzzy control system dimensions. Then according to the fuzzy composed variable effect on the final decision, we give each fuzzy composed variable a different weight. After self-learning of quantized parameters and weighted parameters with back propagation algorithm, a real-time parameter self-adjusting method based on fuzzy inference system is presented. It gives a solution to the problem for design and on-line realization of high dimension fuzzy adaptive controller. Simulations and real system experiments show its validity.
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Keywords:
- nonlinear /
- multivariable /
- fuzzy control
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[1] Shorn Mori. Control of Unstable Mechanical System. Int. J.Control,1976,23(5):673～692 [2] G V S Raju,Jun Zhou. Adaptive Hierarchical Fuzzy Controller.IEEE Trans. on systems,man & cybernetics,1993,23(4):973～980 [3] Furuta K,Hiroyuki K,Kosuge K. Digital Control of Double Inverted Pendulum on an Inclined Rail. Int. J. Contr.,1980,32:907～924 [4] Hongmin Zhang,Xiwen Ma,Wei Xu and Peizhuang Wang. Design Fuzzy Controllers for Complex Systems with an Application 3-stage Inverted Pendulum. Info. Sci.,1993,72:271～284 [5] 王立新.自适应模糊系统与控制.北京:国防工业出版社,1995 [6] Xiao Jun,Zhang Shi,Xu Xinhe. A Weighted Fuzzy Control of Double Inverted Pendulum. The Third Asian Control Conference,Shanghai:Daheng Electronic Press,2000,1160～1163 [7] 肖军,张石,徐心和.基于模糊组合变量的自适应加权控制.控制与决策.待发.
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