Preset-Time Consensus of Heterogeneous Fractional-Order Nonlinear Multi-Agent Systems
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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.Abstract: The preset-time consensus problem of a class of heterogeneous fractional-order nonlinear multi-agent systems was studied. A type of time-varying function-based preset-time fractional integral controllers were designed, to convert the fractional-order nonlinear multi-agent system into a 1st-order nonlinear multi-agent system. Then, by means of the integer-order Lyapunov function method combined with the preset-time control technology, the accurate bipartite consensus control of multi-agent systems with the connected undirected graph and the directed graph containing spanning trees was realized, respectively. The preset time can be preset with the time-varying function, independent of system initial values and parameters. An example verifies the effectiveness of the theoretical results.
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