| 带有死区模型的严格反馈非线性系统的自适应神经网络控制 |
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| 引用本文： | 梅建东,李红春,徐丽仙.带有死区模型的严格反馈非线性系统的自适应神经网络控制[J].扬州职业大学学报,2011,15(3):24-29. |
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| 作者姓名： | 梅建东 李红春 徐丽仙 |
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| 作者单位： | 1. 扬州职业大学,江苏扬州,225002
2. 江海职业技术学院,江苏扬州,225101 |
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| 基金项目： | 江苏省现代教育技术研究课题 |
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| 摘 要： | 基于后推设计方法，Nussbaum函数的性质及积分型李亚普诺夫函数，提出了一种自适应神经网络控制器的设计方案。通过引入示性函数，提出一种简化死区模型，取消了死区模型的倾斜度相等的条件。此外，该方法取消了函数控制增益符号已知和死区模型参数上界、下界已知的条件。理论分析证明了闭环系统是半全局一致终结有界。
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| 关 键 词： | 死区模型 神经网络控制 自适应控制 后推 Nussbaum函数 |
The Adaptive Neural Network Control for Strict-Feedback Nonlinear Systems with Unknown Dead-zone Model |
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| MEI Jian-dong,LI Hong-chun,XU Li-xian.The Adaptive Neural Network Control for Strict-Feedback Nonlinear Systems with Unknown Dead-zone Model[J].Journal of Yangzhou Polytechnic College,2011,15(3):24-29. |
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| Authors: | MEI Jian-dong LI Hong-chun XU Li-xian |
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| Institution: | MEI Jian-dong1,LI Hong-chun2,XU Li-xian1(1.Yangzhou Polytechnic College,Yangzhou 225009,2.Jianghai Vocational College,Yangzhou 225101,China) |
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| Abstract: | Based on the back-stepping design method, the property of Nussbaum function and integral-type Lyapunov function, a design scheme of adaptive neural network controller is proposed in this article. By introducing characteristic function for the dead-zone model in the systems, a simplified dead-zone model is developed, removing the condition of the equal slope with defined region. In addition, this approach does not require a priori knowledge of the sign of the control gain and the upper bound and lower bound of dead zone model parameter to be known a priori. By theoretical analysis, the closed-loop control system is proved to be semiglobally uniformly ultimately bounded. |
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| Keywords: | dead-zone model neural network control adaptive control back-stepping Nussbaum function |
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