Question: For unity feedback system, G(s)H(s) = K/ s(0.4s+1)(1+0.25s) Find range of values of K, marginal value of K and frequency of sustained oscillations. Apply Routh

For unity feedback system,

G(s)H(s) = K/ s(0.4s+1)(1+0.25s)

Find range of values of K, marginal value of K and frequency of sustained oscillations. Apply Routh Hurwitz criteria.

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