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Table 2 Closed-loop system eigenvalues using suboptimal controllers

From: Optimal and suboptimal controller design for wind power system

P o = 0.35 P o = 0.65 P o = 0.8 P o = 1.0
−325.63 + 32.47i −325.63 + 32.45i −325.63 + 32.45i −325.63 + 32.45i
−325.63 − 32.47i −325.63 − 32.45i −325.63 − 32.45i −325.63 − 32.45i
−20.61 −20.61 −20.61 −20.62
−2.53 + 9.44i −2.33 + 9.44i −1.61 + 8.73i −0.84 + 7.89i
−2.53 − 9.44i −2.33 − 9.44i −1.61 − 8.73i −0.84 − 7.89i
−2.19 −2.19 −2.91 −4.42
−1.39 −1.39 −2.12 −2.14
−1 −1 −1 −1