unit delay time

Because the closed-loop system has the time delay unit in its characteristic equation, it is difficult to analyze the stability with the latent root. The paper uses the bode plot frequency-domain design method of the classical control theory.

由于闭环系统的特征方程分母中含有时滞项，从特征根角度分析系统的稳定性具有一定的难度，因此本文采用的是经典控制理论中的波特（Bode）图频域分析法。

Approximating the time delay unit by 1/ 1 pade series, one can get internal model controller using the two-step design approach.

文中引入1/1pade级数逼近纯滞后环节，根据两步法设计内模控制器。

In the system, firstly using GA to optimize the membership functions, then reduce the dimension of fuzzy controller and simplify the rules by an integral unit. Moreover, adopt a prediction method to compensate the time-delay of system, which based on the theory of fuzzy.

采用遗传算法优化模糊隶属度函数，引入积分环节，降低T-S模糊控制器维数，简化规则，并引入模糊预估方法对系统的时滞进行补偿。

The dynamic matrix control algorithm applied to a long time delay unit

动态矩阵算法在大时滞环节中的应用

The effect of time delay unit number on classification precision and the performance of TDNN classifier using three typical aircraft dark room data measured with scale model were studied.

还利用三种飞机缩比模型的暗室测量数据，研究了时延神经网络分类器中时延单元数目对分类精度的影响以及分类器的分类性能。