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本文研究一类含有参数不确定性的非线性关联大系统的鲁棒状态观测器设计问题，设计了一种非线性鲁棒状态观测器，并证明了状态误差按指数渐近收敛到零。最后给出了一个数值算例，说明了本文的结论及鲁棒状态观测器的设计方法。
In this paper, the design of robust observer for a class of nonlinear large-scale interconnected systems with parametric uncertainties is studied. A nonlinear robust observer is designed and the state error converges to zero asymptotically asymptotically. Finally, a numerical example is given to illustrate the conclusion of this paper and the design method of robust state observer.