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具有时延和丢包的NCS鲁棒H∞控制

DOI: 10.13195/j.kzyjc.2012.1638, PP. 517-522

Keywords: 网络控制系统,鲁棒H∞控制,Lyapunov-Krasovskii,泛函,时延,数据包丢失

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Abstract:

针对一类含有不确定参数的网络控制系统(NCS),研究网络中存在时延与丢包情况下的鲁棒H∞控制问题.构造一个新的Lyapunov-Krasovskii泛函,并基于改进的Wirtinger不等式推导出闭环NCS渐近稳定且满足H∞性能的充分条件,该条件能得到比已有文献保守性更小的结果.给出线性锥补算法以实现次优鲁棒H∞控制器增益的求解.最后通过多个数值实例验证了所提出方法的有效性.

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