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Control SystemsSecond-Order Systems

The standard second-order characteristic polynomial is commonly written as?

  • As²+2ζωn s+ωn²
  • Bs²+ζs+ωn
  • Cs+ωn²
  • Ds²+2ωn
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Correct Answer: A. s²+2ζωn s+ωn²
Explanation: The standard second-order denominator is s²+2ζωn s+ωn².
Reference: Standard control systems: second-order systems
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