The default setting value of pressure controller K is C = 20 Yang,

And # 8226; I = 12 minutes, and the two component controllers adjust the sequence. Because ccxd ring is a mixture of two streams, it is very dynamic, and the dead time in the ring is only a dynamic element. Therefore, the distillate component controller ccxd is manually adjusted with the bottom ring. Then, the composition of the bottom

The controller ccxb is adjusted to the automatic distillation loop. Insert a 3-minute dead time in the loop occupancy combination.