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研究基于分步变换及设计思想的具有控制滞后的离散时滞系统控制器设计问题．针对一类控制滞后的离散时滞系统，提出了一种带控制记忆的时滞变换，使得原时滞系统经过分步等价变换后得到无滞后的线性能控系统，从而利用分步设计的思想实现离散时滞系统控制器设计的目的，并给出了其稳定性证明．最后以一工业电加热炉被控对象为例，通过仿真说明了该方法的有效性和可行性．
The design of controller for discrete-time systems with delay control based on step-by-step transformation and design idea is studied. For a class of discrete time-delay systems with delay control, a time-dependent transformation with control memory is proposed to obtain a linear performance-controlled system without delay after a time-dependent equivalent transformation. The purpose of this paper is to achieve the design of discrete-time system controller and its stability is proved. Finally, taking an industrial electric heating furnace controlled object as an example, the simulation shows the effectiveness and feasibility of the method.