A closed-loop control system that employs a three-mode controller:
A. Can oscillate or cycle at only one frequency
B. Can oscillate or cycle at several frequencies. depending on controller adjustment
C. Will not oscillate because of the stability provided by derivative
D. Will produce only damped oscillations with a 0.25 damping ratio
Answer:B
A closed-loop control system that employs a three-mode controller:
A. Can oscillate or cycle at only one frequency B. Can oscillate or cycle at several frequencies. depending on controller adjustment C. Will not oscillate because of the stability provided by derivative D. Will produce only damped oscillations with a 0.25 damping ratio