Open-loop unstable system with time delay is difficult to control using routinecontrol methods.
开环不稳定时滞系统是工业现场中常见的一类被控过程,这类系统控制难度高,控制精度难以保证。
2
Normally it is difficult to obtain a satisfactory result of control by routinecontrol method because there are many deciding factors of coaling.
因为决定喂煤量的因素很多,按照常规的控制方法很难达到满意的控制效果。
3
Finally, this essay anal sizes the evaluation result of CSD in four aspects which includes inner-scores reliability test, validity test, routinecontrol chart and gray cognate analysis.