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异质分数阶非线性多智能体系统的预设时间一致性

龚平

龚平. 异质分数阶非线性多智能体系统的预设时间一致性[J]. 应用数学和力学, 2023, 44(5): 605-618. doi: 10.21656/1000-0887.430223
引用本文: 龚平. 异质分数阶非线性多智能体系统的预设时间一致性[J]. 应用数学和力学, 2023, 44(5): 605-618. doi: 10.21656/1000-0887.430223
GONG Ping. Preset-Time Consensus of Heterogeneous Fractional-Order Nonlinear Multi-Agent Systems[J]. Applied Mathematics and Mechanics, 2023, 44(5): 605-618. doi: 10.21656/1000-0887.430223
Citation: GONG Ping. Preset-Time Consensus of Heterogeneous Fractional-Order Nonlinear Multi-Agent Systems[J]. Applied Mathematics and Mechanics, 2023, 44(5): 605-618. doi: 10.21656/1000-0887.430223

异质分数阶非线性多智能体系统的预设时间一致性

doi: 10.21656/1000-0887.430223
基金项目: 

国家自然科学基金项目 62003142

广东省基础与应用基础研究基金项目 2020A1515110965

详细信息
    作者简介:

    龚平(1987—),男,讲师,博士(E-mail: gongping@gdufs.edu.cn)

  • 中图分类号: O357.41

Preset-Time Consensus of Heterogeneous Fractional-Order Nonlinear Multi-Agent Systems

  • 摘要: 该文研究了一类异质分数阶非线性多智能体系统的预设时间一致性问题. 设计了一类基于时变函数的预设时间分数阶积分控制器, 将分数阶非线性多智能体系统转化为一阶非线性多智能体系统. 然后综合利用整数阶Lyapunov函数法和预设时间控制技术, 分别实现了具有连通无向图和具有含生成树有向图的多智能体系统的精确预设时间一致性控制. 该预设时间可以通过时变函数预先设定, 且不依赖于系统初始值和参数. 最后, 用实例验证了理论结果的有效性.
  • 图  1  闭环分数阶多智能体系统的框架

    Figure  1.  The flowchart for closed-loop fractional-order multi-agent systems

    图  2  含生成树有向图$\mathcal{G}$

    Figure  2.  Directed graph $\mathcal{G}$ containing the spanning tree

    图  3  α=0.8时,滤波变量$y_i$和一致性误差$\hat{x}_k$的轨迹

       为了解释图中的颜色,读者可以参考本文的电子网页版本,后同.

    Figure  3.  Trajectories of filter variable $y_i$ and consensus error $\hat{x}_k$ for α=0.8

    图  4  α=1时,滤波变量$y_i$和一致性误差$\hat{x}_k$的轨迹

    Figure  4.  Trajectories of filter variable $y_i$ and consensus error $\hat{x}_k$ for α=1

    图  5  α=0.8时,控制器$u_i^*$和$u_i$的轨迹

    Figure  5.  Trajectories of controllers $u_i^*$ and $u_i$ for α=0.8

    图  6  α=1时,控制器$u_i^*$和$u_i$的轨迹

    Figure  6.  Trajectories of controllers $u_i^*$ and $u_i$ for α=1

    图  7  取不同参数γ3, γ4和初值x(0)时,一致性误差$\|\hat{\boldsymbol{x}}\|$的轨迹

    Figure  7.  Trajectories of consensus error $\|\hat{\boldsymbol{x}}\|$ for different parameters γ3, γ4 and initial values of x(0)

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出版历程
  • 收稿日期:  2022-07-04
  • 修回日期:  2022-08-24
  • 刊出日期:  2023-05-01

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