| 带未知扰动的多涡卷混沌系统修正函数时滞投影同步 |
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| 引用本文： | 刘恒,余海军,向伟.带未知扰动的多涡卷混沌系统修正函数时滞投影同步[J].物理学报,2012,61(18):180503-180503. |
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| 作者姓名： | 刘恒 余海军 向伟 |
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| 作者单位： | 1. 淮南师范学院数学与计算科学系,淮南,232038
2. 淮南师范学院物理与电子信息系．淮南232038 |
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| 基金项目： | 安徽高校省级自然科学研究项目(批准号: KJ2011Z359)和安徽省高校省级优秀青年人才基金项目(批准号: 2012SQRL179)资助的课题. |
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| 摘 要： | 研究了带有未知外部扰动的不同多涡卷混沌系统修正函数时滞投影同步问题. 基于Lyapunov稳定性理论, 采用模糊自适应控制的方法设计自适应同步控制器及参数的更新规则. 该控制器在实现混沌系统修正函数时滞投影同步的同时对外界扰动的变化能保持较好的稳定性. 数值仿真的结果进一步验证了该方法的有效性.
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| 关 键 词： | 多涡卷混沌系统 自适应模糊控制 修正函数时滞投影同步 |
| 收稿时间： | 2011-11-20 |
Modified function projective lag synchronization for multi-scroll chaotic system with unknown disturbances |
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| Liu Heng,Yu Hai-Jun,Xiang Wei.Modified function projective lag synchronization for multi-scroll chaotic system with unknown disturbances[J].Acta Physica Sinica,2012,61(18):180503-180503. |
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| Authors: | Liu Heng Yu Hai-Jun Xiang Wei |
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| Institution: | 1. Department of Mathematics and Computer Science, Huainan Normal University, Huainan 232038, China;2. Departement of Physics and Electronic Information, Huainan Normal University, Huainan 232038, China |
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| Abstract: | In this paper, we treat the modified function projective lag synchronization between two non-identical multi-scroll chaotic systems with unknown disturbances. By utilizing the lyapunov stability theory, the fuzzy adaptive controller and parameter update law are derived to make the state of chaotic system achieve modified function projective lag synchronization. The controller can keep the systems stable even when the disturbance changes. Finally numerical simulations are performed to show the effectiveness of the proposed method. |
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| Keywords: | multi-scroll chaotic system adaptive fuzzy control modified function projective lag synchronization |
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