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本文设计了滞后中立型非线性关联控制系统的滑动曲面和分散滑动模控制器，每个子系统的控制器仅用到其局部状态信息．在滑动曲面和分散滑动模控制器可实现的条件下，在子系统中由Riccati方程的描述得到了可实现滑动模控制器的一个充分条件．该条件等价于由分散状态反馈镇定的条件．从而，本文的结果比以前的工作更合适，且可实现减少设计的保守性．
In this paper, a sliding surface and decentralized sliding mode controller for a lag neutral neutral control system is designed, and the controller of each subsystem uses only its local state information. Under the condition that the sliding surface and decentralized sliding mode controller can be realized, a sufficient condition for realizing the sliding mode controller is obtained in the subsystem by the description of Riccati equation. This condition is equivalent to the condition stabilized by the feedback of decentralized state. Therefore, the result of this paper is more suitable than previous work, and can reduce the conservativeness of design.