| 一类一阶控制系数未知非线性系统有限时间镇定 |
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| 引用本文： | 刘允刚. 一类一阶控制系数未知非线性系统有限时间镇定[J]. 山东大学学报(工学版), 2009, 39(3): 37-46 |
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| 作者姓名： | 刘允刚 |
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| 作者单位： | 山东大学控制科学与工程学院,山东,济南,250061 |
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| 基金项目： | supportedin part bythe National Natural Science Foundation of China under grant 60674036 |
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| 摘 要： | 为了解决电力系统区间震荡问题, 已经发展形成了多种控制策略.在许多国家一些大规模的电力系统中,为解决各种不同的电力系统的运行和规划问题,采用了越来越多的柔性交流输电系统装置(FACTS).设计目标之一是减少系统中存在的一些临界区间震荡.基于变结构控制技术,提出了FACTS控制器,用以缓解区间震荡问题,研究了串联和并联的FACTS装置,并给出实例加以研究用以说明所提出控制器的有效性.
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| 关 键 词： | 非线性系统 未知控制系数 自适应控制 Nussbaum增益 有限时间稳定 全局稳定 |
| 收稿时间： | 2009-05-04 |
Finite-time stabilization for a class of first-order nonlinear systems with unknown control direction |
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| LIU Yun-gang effectiveness of the proposed approach.. Finite-time stabilization for a class of first-order nonlinear systems with unknown control direction[J]. Journal of Shandong University of Technology, 2009, 39(3): 37-46 |
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| Authors: | LIU Yun-gang effectiveness of the proposed approach. |
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| Affiliation: | School of Control Science and Engineering, Shandong University, Jinan 250061, China |
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| Abstract: | In this paper,the finite time stabilization via state-feedback and adaptive technique was investigated for a class of first-order nonlinear systems with unknown control direction.Using the Nussbaum gain method,an adaptive statefeedback controller is successfully constructed,which guarantees the global stability of the closed-loop system,and the global finite time stability of the original system state(This was rigorously proven with the help of the celebrated L'Ho^spital's Rule).A simulation example was pro... |
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| Keywords: | nonlinear systems unknown control direction adaptive control Nussbaum gain finite time stability global stability |
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