| 网络环境下非线性切换系统的固定时间控制 |
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| 引用本文： | 马加立,费树岷,崔国增.网络环境下非线性切换系统的固定时间控制[J].控制理论与应用,2023,40(9):1529-1536. |
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| 作者姓名： | 马加立 费树岷 崔国增 |
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| 作者单位： | 东南大学,东南大学,苏州科技大学 |
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| 基金项目： | 中国博士后科学基金资助项目(2021M700770), 江苏省博士后科研资助计划项目(2021K107B), 中央高校基本科研业务费专项资金项目(2242021 R20030), 国家自然科学基金项目(61703059), 江苏省优秀青年基金项目(BK20211605) |
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| 摘 要： | 本文针对一类不确定非线性切换系统, 在控制系数和量化器参数未知的情况下, 研究系统的自适应固定时间控制问题. 首先, 文章利用增加幂次积分法和共同Lyapunov函数设计带有可调参数的自适应控制器. 然后, 基于改进的固定时间控制理论, 文章提出有效的参数调节律, 从而实现闭环系统的固定时间稳定性. 最后, 通过仿真实验验证所提控制算法的有效性
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| 关 键 词： | 非线性切换系统 未知控制系数 量化输入 共同Lyapunov函数 固定时间控制 |
| 收稿时间： | 2021/7/10 0:00:00 |
| 修稿时间： | 2023/6/18 0:00:00 |
Fixed-time control for switched nonlinear systems under the network environment |
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| MA Jia-li,FEI Shu-min and CUI Guo-zeng.Fixed-time control for switched nonlinear systems under the network environment[J].Control Theory & Applications,2023,40(9):1529-1536. |
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| Authors: | MA Jia-li FEI Shu-min and CUI Guo-zeng |
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| Affiliation: | Southeast University,Southeast University,Suzhou University of Science and Technology |
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| Abstract: | In this paper, the fixed-time control problem is investigated for switched uncertain nonlinear systems with unknown control coefficients and quantized input signal. Firstly, with the aid of adding a power integrator method and common Lyapunov function, an adaptive controller with a tuning parameter is designed. Then, based on the improved fixed-time stability theorem, an effective regulate rule is proposed. And it is proved that the fixed-time stability can be ensured for the closed-loop systems under the proposed algorithm. Finally, a simulation example is provided to verify the effectiveness of the proposed method. |
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| Keywords: | switched nonlinear systems unknown control coefficients quantized input common Lyapunov function fixed-time control |
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