In control system an error detector
A)detects error and signal out an alarm
B)detects error of the system
C)produces an error signal as actual difference of value and desired value of output
D)any of the above

Question

Quizplus · Accepted Answer

An error detector in a control system produces an error signal by calculating the actual difference between the desired value (set point) and the actual value of the output. This error signal is then used to correct the system's performance.

In Control System an Error Detector