| 基于Backstepping设计的非线性大系统模糊自适应输出反馈分散控制 |
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| 引用本文： | 刘长亮,佟绍成.基于Backstepping设计的非线性大系统模糊自适应输出反馈分散控制[J].辽宁工学院学报,2010(2):71-80. |
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| 作者姓名： | 刘长亮 佟绍成 |
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| 作者单位： | 辽宁工业大学电气工程学院,辽宁锦州121001 |
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| 基金项目： | 国家自然基金资助项目（60674056）; 辽宁省青年人才基金资助项目（2005219001）; 辽宁省教育厅基金（2006R29 2007T80 20060395） |
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| 摘 要： | 针对一类高频增益符号未知,仅有输出可测的非线性大系统提出了一种模糊自适应Backstepping分散控制方法。在backstepping递推设计中,采用模糊逻辑系统逼近未知非线性函数,利用Nussbaum增益方法解决未知高频增益符号未知问题。利用所提出的模糊自适应分散控制方法,可以使得闭环系统的信号是一致终结有界（UUB）。仿真实例进一步验证了所提方法的有效性。
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| 关 键 词： | 模糊自适应分散控制 非线性大系统 高频增益 K-滤波 稳定性 |
Fuzzy Adaptive Output Feedback Decentralized Control of Nonlinear Large-scale Systems Based on Backstepping Design |
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| LIU Chang-liang,TONG Shao-cheng.Fuzzy Adaptive Output Feedback Decentralized Control of Nonlinear Large-scale Systems Based on Backstepping Design[J].Journal of Liaoning Institute of Technology(Natural Science Edition),2010(2):71-80. |
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| Authors: | LIU Chang-liang TONG Shao-cheng |
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| Affiliation: | (Electrical Engineering College,Liaoning University of Technology,Jinzhou 121001,China) |
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| Abstract: | A fuzzy adaptive decentralized control approach was proposed for a class of large-scale nonlinear systems with unknown high-frequency gain sign,unknown nonlinearities,and the output measurement.In the backstepping recursive design,fuzzy logic systems were employed to approximate the unknown nonlinear function,and Nussbaum gain technique was taken to have solved the unknown high-frequency gain sign.It is proved that the proposed fuzzy adaptive decentralized control scheme can guarantee that all the signals in the closed-loop system are uniformly ultimately bounded（UUB）.Simulation results show the effectiveness of the proposed method. |
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| Keywords: | fuzzy adaptive decentralized control large-scale nonlinear systems high-frequency gain backstepping K-filter stability |
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