| 不确定分数阶Chen系统同步与参数辨识 |
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| 引用本文： | 李安平,沈细群.不确定分数阶Chen系统同步与参数辨识[J].湖南工程学院学报(自然科学版),2013(4):41-44. |
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| 作者姓名： | 李安平 沈细群 |
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| 作者单位： | [1]湖南工程学院理学院,湘潭411104 [2]湖南工程学院电气信息学院,湘潭411101 |
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| 摘 要： | 讨论了不确定分数阶Chen系统的同步和参数识别问题,基于Lyapunove稳定性理论和自适应控制理论,提出一种用整数阶Chen系统来进行同步和参数辨识的方法,给出自适应控制器和参数更新率设计方法.数值仿真实现了分数阶Chen系统用整数阶Chen系统同步及参数辨识,结果表明提出方法的有效性.
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| 关 键 词： | 分数阶混沌系统 数阶混沌系统 同步 参数辨识 |
Synchronization Uncertain Fractional-order Chaotic Chen System and Parameters Identification |
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| LI An-ping,SHEN Xi-qun.Synchronization Uncertain Fractional-order Chaotic Chen System and Parameters Identification[J].Journal of Hunan Institute of Engineering(Natural Science Edition),2013(4):41-44. |
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| Authors: | LI An-ping SHEN Xi-qun |
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| Institution: | LI An-ping SHEN Xi-qun |
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| Abstract: | The synchronization and parameter identification problem of the uncertain fractional-order Chen chaotic system is investigated. Based on the Lyapunov＇s stability theory and adaptive control theory, a method for synchronization of uncertain fractional-order chaotic system using integrate-order Chen system is proposed; a novel adaptive controller and parameter updating rule are designed. Synchronization frac- tional-order chaotic Chen system using integral-order chaotic Chen system is realized, by which the uncer- tain parameters of Chen system are identified. Simulation results also verify the effectiveness of the pro- posed algorithm. |
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| Keywords: | fractional-order chaotic system integer-order chaotic system~ synchronization parameters i- dentification |
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