Chemical Engineering > GATE 2014 > Control Strategies
Given below is a simplified block diagram of a feedforward control system.
The transfer function of the process is Gp=5/(s+1) and the disturbance Gd=1/(s2+2s+1). The transfer function of the PERFECT feedforward controller, Gf(s) is
A
-5/(s+1)3
B
-5/(s+1)
C
-1/(5(s+1))
D
- (s+1)/5

Correct : c

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