And the minimax controller is got to make the close-loop system admissible and the judgment is expressed by LMI.Furthermore, this kind of result is extended to the descriptor systems with uncertainty.

• 利用线性矩阵不等式(LMI)给出了广义时滞系统极小极大控制器存在的充分条件，讨论了闭环系统的容许性，并将所得结果推广到含有不确定性的广义时滞系统。