long time delay 长延时
long time-delay system 大时滞系统
long time delay link 大时滞环节
long time delay system 大延迟系统
long-time delay system 大时滞对象
Long Time Delay Control 大滞后控制
long time delay process 大时滞过程
However, industrial process is always accompanied with long time-delay, nonlinearity, time-variance and uncertainty, which is difficult to model precisely. So the conventional PID control usually couldn't achieve expected effect.
但是实际工业生产过程往往具有大滞后、非线性、时变不确定性，导致难以建立精确的数学模型，因此常规PID控制经常达不到理想的控制效果。
参考来源 - 未建模自适应PID控制研究·2,447,543篇论文数据，部分数据来源于NoteExpress
These circuit breakers should have the long time-delay over-current devices on each polar whose rated value can be adjusted from 80% to 160%.
这些断路器应在每极上装有额定值从80%至160%可调的长延时过电流装置。
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。
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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