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Control SystemsStatic Error Constants

For a unity-feedback system, the acceleration error constant Ka is?

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