Using internal mode control notion, the uniform design scheme of model reference controller based on neural network for nonlinear system is presented, no matter how the controller possesses inseparability or not. 针对一类控制器无论是否具有可分离结构的非线性系统,利用内模控制的思想提出一种统一的神经网络模型参考自适应控制器设计方案,简化了基于神经网络的模型参考自适应控制系统的设计。