| 一类具有未建模动态的非线性系统模糊自适应鲁棒控制 |
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| 引用本文： | 佟绍成,李永明. 一类具有未建模动态的非线性系统模糊自适应鲁棒控制[J]. 控制与决策, 2009, 24(3) |
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| 作者姓名： | 佟绍成 李永明 |
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| 作者单位： | 辽宁工业大学,数理科学系,辽宁,锦州,121001 |
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| 基金项目： | 国家自然科学基金，辽宁省优秀青年人才基金，辽宁省教育厅优秀人才基金 |
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| 摘 要： | 针对一类单输入单输出未建模动态不确定非线性系统,提出一种模糊自适应backstepping控制方法.设计中利用模糊逻辑系统逼近系统的未知函数,应用非线性阻尼项抵消系统的非线性不确定项,通过引入一个动态信号克服未建模动态.该模糊自适应控制方法保证了整个闭环系统的有界性,输出信号可调节到零的小邻域内.仿真结果进一步验证了该方法的有效性.
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| 关 键 词： | 非线性系统 模糊自适应控制 Backstepping技术 稳定性分析 |
Fuzzy adaptive robust control for a class of nonlinear system with dynamic uncertainties |
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| TONG Shao-cheng,LI Yong-ming. Fuzzy adaptive robust control for a class of nonlinear system with dynamic uncertainties[J]. Control and Decision, 2009, 24(3) |
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| Authors: | TONG Shao-cheng LI Yong-ming |
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| Affiliation: | Department of Mathematics and Physics;Liaoning University of Technology;Jinzhou 121001;China. |
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| Abstract: | A fuzzy adaptive backstepping design procedure is proposed for a class of nonlinear systems with unmodeled dynamics.The fuzzy logic systems are used to approximate the unknown nonlinear functions.Nonlinear damping terms are used to counteract the uncertain nonlinearities and a dynamic signal is introduced to dominate the dynamic disturbance.The derived fuzzy adaptive control approach guarantees not only the global boundedness property for all the signals and the states,but also the output to a small neighbo... |
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| Keywords: | Nonlinear systems Fuzzy adaptive control Backstepping technique Stability |
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