时滞系统稳定性的判断问题一直是控制理论领域的研究热点.针对大多数的理论定理过于复杂,在实际的工程应用中不易应用且不直观的问题,提出一种基于粒子群算法来判定时滞系统的稳定性的简便方法.通过PSO搜索拟特征多项式的特征根来判断系统的稳定性；给出了一个应用实例以及路由器设计中实际应用的例子并加以验证.仿真结果表明所提出的算法可以快速有效地判断时滞系统的稳定性.%The stability analysis of the time-delay system is a hot area in recent years. However many theoretical results concerning this problem are too complex to apply in the real application. To address this problem, this paper proposed a simply algorithm based on PSO for the time-delay system stability analysis. This paper also presented an example of designing the router by utilizing the proposed algorithm. The simulation results indicate that the algorithm is effective and simple for the lime-delay system stability analysis.
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