Based on the method of the linear matrix inequality( LMI)and Lyapunov theory,this paper first gives some sufficient conditions of finite-time boundedness in a kind of discrete systems. It then provides sufficient conditions of finite-time boundedness for those with uncertain parameters. The solvability and ef-fectiveness of the sufficient conditions are finally checked with an example.%针对不确定线性离散系统,结合线性矩阵不等式( LMI)方法及李雅普诺夫稳定性理论,首先给出一类离散系统有限时间有界的几个充分条件,然后给出了该类系统具有不确定参数的几个充分条件,最后通过仿真实例验证了这些充分条件的可解性及有效性。
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