For a unity-feedback system, the velocity error constant Kv is?

  • Alim s->0 G(s)
  • Blim s->0 sG(s)
  • Clim s->0 s²G(s)
  • Dlim s->infinity sG(s)
Report an error
Correct Answer: B. lim s->0 sG(s)
Explanation: For unity feedback, Kv=lim(s→0)sG(s).
Reference: Standard control systems: static error constants
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