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讨论了一种食饵增长为Gilpin-Ayala型的比率依赖的食饵捕食者模型,利用第二加性复合矩阵原理证明线性化系统正轨道解的稳定性,结合系统在凸集中存在唯一的局部正平衡点,证明了正平衡点的全局渐近稳定性.结合数值模拟验证了所得结论的合理性,同时指出定理结论仅为充分条件,丰富完善了模型的动力学性质. 相似文献
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针对同时具有分布时滞和非线性项的T-S模糊时滞系统, 提出观测器型H∞输出反馈控制器设计方法. 首先, 以非线性矩阵不等式形式给出时滞相关的满足H∞性能指标的稳定性分析充分条件; 其次, 给出与所给稳定性条件等价的线性矩阵不等式条件. 在此基础上, 讨论带有非线性项的观测器型H∞输出反馈控制的可解问题. 最后, 通过仿真算例说明控制器设计方法的可行性.
关键词:
T-S模糊系统
分布时滞
观测器型输出反馈控制
H∞控制')" href="#">H∞控制 相似文献
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Robust stabilization of state delayed discrete-time Takagi-Sugeno fuzzy systems with input saturation via an anti-windup fuzzy design 下载免费PDF全文
We consider the robust stabilization problem for discrete-time Takagi-Sugeno(T-S) fuzzy systems with timevaried delays subjected to input saturation.We design static and dynamic anti-windup fuzzy controllers to ensure the convergence of all admissible initial states within the domain of attraction.Based on the project lemma and classical sector conditions,the conditions for the existence of solutions to this problem are obtained and expressed in terms of a set of linear matrix inequalities.Finally,a numerical example is provided to illustrate the effectiveness of the proposed design approach. 相似文献
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