Question
7.5-7. For the system of Fig. P7.5-7, T = 2s and K(z+0.8) G(z) = (z- 1)(z -0.6) (a) Determine the range of K for stability using the Routh-Hurwitz criterion. (b) Determine the range of K for stability using the Jury test. (c) Show that the upper limit of K for stability in part (a) yields a marginally stable system. (d) Show that the upper limit of K for stability in part (b) yields a marginally stable system. FIGURE P7.5-7 System for Problem 7.5-7. G(8) T
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