The input of a controller is
A. Sensed signal
B. Error signal
C. Desired variable value
D. Signal of fixed amplitude not dependent on desired variable value
Answer:B
The input of a controller is
A. Sensed signal B. Error signal C. Desired variable value D. Signal of fixed amplitude not dependent on desired variable value
Explanation: Controller is the block in the control system that control the input and provides the output and this is the first block of the system having the input as the error signal.