Multiple choice

A PD controller is used to compensate a system. Compared to the uncompensated system, the compensated system has

  1. a higher type number

  2. reduced damping

  3. higher noise amplification

  4. larger transient overshoot
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

PD controller may accentuate noise at higher frequency. It does not affect the type of system and it increases the damping. It also reduces the maximum overshoot.

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