First, the domestic and overseas research actuality of long time delay control is presented basically and the source of the project and the main research content in the paper is set forth.
本文首先对大滞后控制的国内外研究现状进行基本的介绍说明，并阐述了课题来源和研究的主要内容。
Temperature and humidity control object of artificial climate chest is a nonlinear, strong coupling and long time delay system, so its control is difficult.
人工气候箱温湿度控制对象是一个非线性、强耦合和大滞后的系统，其控制非常困难。
There always exist long delay time in process control and good control effects may not be obtained by using traditional control methods.
工业生产过程中常有大时滞存在，用传统控制方法不能获得满意的控制效果。
For implementing excellent control to nonlinear systems with long time-delay, a new intelligent control algorithm of cloud models was proposed.
为了实现非线性、大时滞系统的良好控制，提出了一种新型的云模型智能控制算法。
At a low steel rolling speed, the traditional AGC feedback control is not very good due to a long time delay caused by the thickness measurement.
在低速轧钢时，由于测厚仪测量值的长时间滞后，传统的后馈控制效果不好。
The temperature of the main steam system is a tipical control of long time-delay, long inertia time and parameter-varying, so it is difficult to achieve a high-quality effect.
火电厂主蒸汽温度具有大迟延、大惯性的特点，且对象特性随负荷变化较大等因素，很难实现稳定和高性能的控制。
This paper presents a new predictive control method for time-delay systems with long pure time delay, which effectively solved the control problem of them with fuzzy control.
提出了一种大纯滞后系统新预估控制方法，对大纯滞后系统进行了有效的模糊控制。
The relay feedback self-tuning PID based on internal model control (IMC) was adopted for self-tuning PID controller for long time-delay process.
大时滞过程的自整定pid控制器，采用基于内模控制策略的继电型PID自整定。
But the gas collector pressure system is a complex multi-variable non-linear, time-varying, long time-delay control system and is not easy to set up its mathematical model.
但是，集气管压力控制系统是一个多变量、非线性、时变性、大滞后的复杂控制系统，难以建立数学模型。
But the gas collector pressure system is a complex multi-variable non-linear, time-varying, long time-delay control system and is not easy to set up its mathematical model.
但是，集气管压力控制系统是一个多变量、非线性、时变性、大滞后的复杂控制系统，难以建立数学模型。
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