Defining the minimax robust control of discrete time-delay systems, the existence condition and design method of minimax robust controller are given by the Lyapunov method and LMI (linear matrix inequation).

• 给出离散时滞系统的极小极大控制定义，利用李亚普诺夫方法和线性矩阵不等式(LMI)方法给出了极小极大鲁棒控制器的存在条件和设计方法。