tailieunhanh - Lecture Chemical process control - Chapter 4

a | Transfer Functions Convenient representation of a linear dynamic model. A transfer function TF relates one input and one output Chapter 4 u t c s system The following terminology is used y t Y s u input output forcing function response cause effect Chapter 4 Definition of the transfer function Let G s denote the transfer function between an input x and an output y. Then by definition G s U s where Y s L y t U s L u t Development of Transfer Functions Example Stirred Tank Heating System Chapter 4 fĩĩWíĩĩĩì Q Heater Figure Stirred-tank heating process with constant holdup .