Velocity error constant of a system is measured when the input to the system is unit ___________ function?
Correct answer: B. ramp
- A. parabolic
- B. ramp
- C. impulse
- D. step
Explanation
A unit ramp input has a constant rate of change, so its steady-state tracking error is governed by the velocity error constant. Step and impulse inputs are associated mainly with position and transient responses, while a parabolic input relates to acceleration error.
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