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本文以融合符号主义及连接机主义这两种人工智能理论为指导思想，提出了混合使用专家系统与神经网络的智能控制系统形式定义及其三种基本混合结构。进而提出一种专家系统神经网络混合式递阶智能控制系统结构（ＥＳＮＮＩＣＳ），并以ＰＩＤ自整定智能控制系统和水净化智能控制系统为例，说明了ＥＳＮＮＩＣＳ结构的实际应用。
In this paper, we use the two kinds of artificial intelligence theory of fusion symbology and machine-linked theory as the guiding ideology, and put forward the formal definition of intelligent control system mixed with expert system and neural network and its three basic hybrid structures. And then, a hybrid hierarchical hierarchical control system based on expert system (ESNNICS) is proposed. Taking PID self-tuning intelligent control system and water purification intelligent control system as examples, the application of ESNNICS structure is illustrated.