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Control SystemsSteady-State Error

Steady-state error is the difference between reference input and output-related response as time approaches?

  • AZero only
  • BInfinity
  • COne second always
  • DThe natural period only
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Correct Answer: B. Infinity
Explanation: Steady-state error is the limiting error after transients have died out, typically e_ss=lim(t→∞)e(t) when the limit exists.
Reference: Standard control systems: steady-state error
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