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主要研究了存在状态滞后的线性时变不确定时滞系统的鲁棒Ｈ∞控制分析和综合问题．给出了对所有容许不确定性，被控对象可二次镇定和满足从干扰输入到控制输出的Ｈ∞范数界约束的动态输出反馈鲁棒Ｈ∞控制分析结果．将不确定时滞系统的鲁棒Ｈ∞输出反馈控制器设计问题等价为两个线性时不变系统的状态反馈标准Ｈ∞控制问题，并由此得到反馈阵和观测阵，最终得到鲁棒Ｈ∞控制器综合设计方法．
This paper mainly studies the robust H∞ control analysis and synthesis of linear time-varying uncertain systems with time-delay. The dynamic output feedback robust H∞ control analysis results are given for all constraints that allow the uncertainty, the controlled object can be second-order stable, and satisfy the H∞ norm bound from the disturbance input to the control output. The robust H∞ output feedback controller design for uncertain systems with time-delay is equivalent to the H∞ control problem of state feedback for two linear time-invariant systems, and the feedback matrix and the observation matrix are obtained. Finally, a robust H∞ controller integrated design method