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Control SystemsTime Response

For ζ=0.5 and ωn=10 rad/s, the approximate 2% settling time is?

  • A0.2 s
  • B0.4 s
  • C0.8 s
  • D2 s
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Correct Answer: C. 0.8 s
Explanation: Ts≈4/(ζωn)=4/(0.5×10)=0.8 s.
Reference: Standard control systems: time response
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