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中文摘要：
针对水轮机调节系统的复杂性、非线性和难以用明确数学模型表达的特点,建立了该系统的T-S模糊模型.考虑到T-S模糊模型的结构与参数间的密切关联性,提出基于混沌优化策略的结构和参数一体化辨识.该方法用混沌优化策略辨识模型的前件参数,用最小二乘法辨识模型后件参数,实现了模糊模型结构的自适应优化.试验结果表明,该T-S辨识模型具有较高的辨识精度及较强的泛化能力,实现了水轮机调节系统的有效辨识.
英文摘要：
Takagi-Sugeno（T-S） fuzzy model of hydro-turbine governing system and a new identification method based on chaos optimization strategy are proposed.Considering the close connection of premise parameters and consequent parameters of T-S fuzzy model,the identification method is presented identifying them simultaneously,identifying the consequent parameters with least square method and identifying the premise parameters with chaos optimization strategy,which realize the adaptive optimization of T-S fuzzy model.The results of identification and simulation of T-S fuzzy model of the hydro-turbine system show that the identified fuzzy model has relatively high precision and good generalization ability;the identification method is valid.
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