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在本文中考虑了由非线性扰动子系统组成的时滞大系统的鲁棒稳定性问题，利用Ｌｙａｐｕｎｏｖ稳定性准则，对角占优矩阵的方法和结合矩阵Ｒｉｃｃａｔｉ方程，获得了系统指数稳定的充分判据，本文的结果改进并推广了文［４．６］的结果．
In this paper, we consider the robust stability problem for large-scale systems with time-delay nonlinear perturbation subsystems. By using the Lyapunov stability criterion, the diagonally dominant matrix method and the Riccati equation, the exponential stability of the system is obtained The criterion, the result of this paper, improves and generalizes the result of [4.6].