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一类非线性系统的鲁棒输出跟踪模糊控制 被引量:2

ROBUST OUTPUT TRACKING FUZZY CONTROL OF A CLASS OF NONLINEAR SYSTEMS
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摘要 针对一类单输入单输出不确定非线性系统 ,提出一种稳定的自适应模糊控制方法 .该方法应用 型模糊逻辑系统逼近过程的不确定部分 ,利用后推方法及监督策略设计出一种鲁棒自适应控制器 ,理论分析证明了系统的稳定性 ,跟踪误差收敛到零 .仿真结果表明了该方法的有效性 . A stable adaptive fuzzy control method is proposed for single input and single output nonlinear systems. The first type fuzzy logic system is used to estimate the unknown part of the process. A robust adaptive controller is designed based on backstepping and the supervisory control strategy . By theoretical analysis, the closed loop fuzzy control system is proven to be globally stable, with tracking error converging to zero. Simulation results demonstrate the effectiveness of the approach.
出处 《扬州大学学报(自然科学版)》 CAS CSCD 2003年第1期17-21,共5页 Journal of Yangzhou University:Natural Science Edition
基金 国家自然科学基金资助项目 (6 0 0 74 0 13) 江苏省教育厅自然科学基金资助项目 (0 0 KJB5 10 0 0 6 0 0 KJB4 70 0 0 5 )
关键词 非线性系统 输出跟踪 鲁棒自适应控制 模糊控制 不确定性 模糊逻辑系统 跟踪误差 nonlinear systems uncertainty fuzzy control adaptive control
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