Review of control and fault diagnosis methods applied to coal mills ...
WEBAug 1, 2015 · As discussed by Fan and Rees [3], the control of mills remains very simple in most of the power plants due to the fact that the mill system is highly nonlinear with strong coupling among the variables and it is very difficult to measure some important variables related to mills, such as the pulverized fuel (PF) flow and the mill load.