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CMAC神经网络用于一类不确定MIMO非线性系统的鲁棒自适应反馈线性化
引用本文:杨旭,张友安,崔平远,邹经湘. CMAC神经网络用于一类不确定MIMO非线性系统的鲁棒自适应反馈线性化[J]. 哈尔滨工业大学学报, 2001, 33(1): 20-23
作者姓名:杨旭  张友安  崔平远  邹经湘
作者单位:哈尔滨工业大学航天工程与力学系,
基金项目:国家自然科学基金资助项目(19572114).
摘    要:在已知标称系统的基础上,将CMAC神经网络用于一类状态反馈可线性化的多输入多输出(MIMO)不稳定连续时间非线性系统的鲁棒自适应反馈线性化,使系统获得要求的跟踪性能。在很弱的假设条件下,应用李雅普诺夫稳定性理论证明了闭环系统内的所有信号为UUB(一致最终有界)。仿真算例进一步验证了算法的正确与有效。

关 键 词:MIMO不确定非线性系统 CMAC神经网络 鲁棒自适应控制 反馈线性化
文章编号:0367-6234(2001)01-0020-04
修稿时间:1998-09-08

CMAC neural networks-based robust-adaptive feedback linearization for MIMO nonlinear systems
YANG Xu,ZHANG You-an,CUI Ping-yuan,ZOU Jing-xiang. CMAC neural networks-based robust-adaptive feedback linearization for MIMO nonlinear systems[J]. Journal of Harbin Institute of Technology, 2001, 33(1): 20-23
Authors:YANG Xu  ZHANG You-an  CUI Ping-yuan  ZOU Jing-xiang
Abstract:Justifies the necessity of feedback linearization, a important branch of non linear control theory, to make the system linear by feedback because the dependence on the precise non linear model made the actual application limited and the statefeedback linearization of a kind of MIMO non linear system based on CMAC needs to estimate the whole non linear system model using the model information, and presents the CMAC neural network used for robust adaptive feedback linearization of a class of multiple input multiple output uncertain continuous time nonlinear systems, and the stability proof given strictly in the sense of Lyapunov and the finding that all the signals in the closed loop systems are bounded and concludes from the simulation results that the proposed scheme is right and effective.
Keywords:MIMO uncertain nonlinear systems   CMAC neural networks   robust-adaptive control   feedback linearization
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