Physics · Control Systems
The Nyquist plot of a stable open-loop system G(jw) is plotted in the frequency range 0 ≤ w < ∞. It intersects a unit circle centered at the origin at the point P = -0.77 - 0.64j. The points Q and R lie on G(jw) and assume the values Q = 14.40 + 0.00j and R = -0.21 + 0.00j. The phase margin (PM) and the gain margin (GM) of the system are:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1PM = -39.7° and GM = 0.07
- 2PM = -39.7° and GM = 4.76
- 3PM = 39.7° and GM = 0.07
- 4PM = 39.7° and GM = 4.76✓
Correct answer
PM = 39.7° and GM = 4.76
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