提出一种基于模式识别的仿人变周期智能控制方法 .这种方法模仿操作人员的操作过程 ,根据对象动态特性适时改变控制周期 ,使控制作用及时灵敏 ,因而具有一定的智能性 ,能用于解决一些难于建立对象数学模型的控制问题 .将其应用于电厂过热汽温控制系统的仿真实验中 ,结果表明 ,该方法具有良好的控制性能 An intelligent control method based on pattern recognition is proposed.It imitates the operating process of the operator and changes the control period according to the dynamic characteristics of the object in time so as to make the control action timely and sensitive and thus has certain intelligence and can be used in And solve some control problems that are difficult to establish the mathematical model of the object.It is applied in the simulation experiment of superheated steam temperature control system in power plant, the results show that the method has good control performance