If proportional-plus-integral control is good, the addition of derivative:
A. Will anticipate changes and speed up corrections
B. Will always improve control
C. Will make the controller adjustments easier to accomplish
D. May create stability problems in some system
Answer:D
If proportional-plus-integral control is good, the addition of derivative:
A. Will anticipate changes and speed up corrections B. Will always improve control C. Will make the controller adjustments easier to accomplish D. May create stability problems in some system