A signal other than the reference input that tends to affect the value of controlled variable is known as_________________?
Correct answer: A. disturbance
- A. disturbance
- B. command
- C. control element
- D. reference input
Explanation
A disturbance is an unwanted input other than the reference command that changes the controlled variable. It may enter the system at any point and tends to move the output away from its desired value.
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