Routh stability method uses ______________ loop transfer function?
Correct answer: D. Closed
- A. Open
- B. Neither A. nor B.
- C. Either A. or B.
- D. Closed
Explanation
The Routh test examines the characteristic equation formed from the closed-loop denominator to determine pole stability. Open-loop transfer functions are more directly associated with criteria such as Nyquist analysis.
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