2. Feedback Fundamentals

Reference, Error, And Output Signals — Quiz

Test your understanding of reference, error, and output signals with 5 practice questions.

Practice Questions

Question 1

In a feedback control system, what is the reference signal?

Question 2

If the reference is $r(t)=10$ and the output is $y(t)=7$, what is the error using $e(t)=r(t)-y(t)$?

Question 3

What does it mean when the error signal is $0$?

Question 4

Which signal is the actual response produced by the plant or system?

Question 5

In a negative feedback loop, which signal is compared with the reference to guide the controller?