| 非线性系统的最优模糊保代价控制及在永磁同步电动机混沌系统中的应用 |
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| 引用本文： | 吴忠强. 非线性系统的最优模糊保代价控制及在永磁同步电动机混沌系统中的应用[J]. 中国电机工程学报, 2003, 23(9): 152-157 |
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| 作者姓名： | 吴忠强 |
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| 作者单位： | 燕山大学电气工程学院,河北,秦皇岛,066004 |
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| 摘 要： | 研究了具有不确定参数非线性系统的稳定最优模糊保代价控制问题。采用T-S模糊模型描述非线性系统，对具有范数有界，时变参数不确定性的非线性系统，得到了存在稳定最优模糊保代价控制器的充分条件，并推算出了相应的线性矩阵不等式(LMI)形式。建立了永磁同步电动机混沌系统的T-S模型，采用最优模糊保代价控制器进行控制，针对不含参数不确定性和含有参数不确定性两种情况进行仿真研究，均得到满意的控制效果。
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| 关 键 词： | 永磁同步电动机 混沌系统 非线性系统 最优模糊保代价控制 |
| 文章编号： | 0258-8013(2003)09-0152-06 |
| 修稿时间： | 2003-05-15 |
OPTIMAL FUZZY GUARANTEED COST CONTROL FOR NONLINEAR SYSTEM AND ITS APPLICATION IN PERMANENT-MAGNET SYNCHRONOUS MOTOR CHAOS SYSTEM |
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| WU Zhong-qiang. OPTIMAL FUZZY GUARANTEED COST CONTROL FOR NONLINEAR SYSTEM AND ITS APPLICATION IN PERMANENT-MAGNET SYNCHRONOUS MOTOR CHAOS SYSTEM[J]. Proceedings of the CSEE, 2003, 23(9): 152-157 |
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| Authors: | WU Zhong-qiang |
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| Abstract: | The problem of stable optimal fuzzy guaranteed cost control for nonlinear system with parametric uncertainties is studied. The nonlinear system is described by T-S fuzzy model. For nonlinear system with norm bounder time-varying parametric uncertainty, a sufficient condition is derived for stable optimal fuzzy guaranteed cost controller, and the LMI form is derived accordingly. The T-S model is built for chaos characteristics in the permanent-magnet synchronous motors. The satisfied result is got in simulation for system including parametric uncertainties or not including parametric uncertain-ties, by using optimal fuzzy guaranteed cost controller. |
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| Keywords: | Permanent-magnet synchronous motors Chaos Parametric uncertainty T-S model Linear matrix inequality |
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