| 一类未知非线性离散系统的直接自适应模糊预测控制 |
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| 引用本文： | 师五喜,霍伟,吴宏鑫.一类未知非线性离散系统的直接自适应模糊预测控制[J].自动化学报,2004,30(5):664-670. |
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| 作者姓名： | 师五喜 霍伟 吴宏鑫 |
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| 作者单位： | 1.北京航空航天大学第七研究室,北京; |
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| 基金项目： | 国家自然科学基金(60034010)资助~~ |
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| 摘 要： | 将自适应模糊逻辑系统引入预测控制,对一类未知非线性离散系统提出了直接自适应
模糊预测控制方法.首先对被控对象提出了线性时变子模型加非线性子模型的预测模型,然后直
接利用模糊逻辑系统设计预测控制器,并基于广义误差估计值对控制器参数和广义误差估计值中
的未知向量进行自适应调整.文中证明了此方法可使广义误差估计值收敛到原点的小邻域内.
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| 关 键 词： | 未知非线性离散系统 预测控制 自适应模糊控制 稳定性分析 |
| 收稿时间： | 2002-6-17 |
| 修稿时间： | 2002年6月17日 |
Direct Adaptive Fuzzy Predictive Control for a Class of Unknown Nonlinear Discrete Systems |
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| SHI Wu-Xi,HUO Wei,WU Hong-Xin.Direct Adaptive Fuzzy Predictive Control for a Class of Unknown Nonlinear Discrete Systems[J].Acta Automatica Sinica,2004,30(5):664-670. |
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| Authors: | SHI Wu-Xi HUO Wei WU Hong-Xin |
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| Affiliation: | 1.7th Research Division,Beijing University of Aeronautics and Astronautics,Beijing;Beijing Institute of Control Engineering,Beijing |
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| Abstract: | A direct adaptive fuzzy predictive control method for a class of unknown nonlinear discrete systems is presented by introducing adaptive fuzzy logic system into the predictive control strategy. In this method,the plant is represented by a predictive model of a linear time varying submodel plus a nonlinear submodel, then a fuzzy logic system is used to design the controller directly. The controller parameters and unknown vectors in the estimation of generalized error are adjusted adaptively. It is proved that the proposed method can make the estimation of generalized error converge to a small neighborhood of the origin. |
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| Keywords: | Unknown nonlinear discrete system predictive control adaptive fuzzy control stability analysis |
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