𝐺𝑐(𝑠) = 𝐾 (𝑠 + 3) 2 , 𝐺𝑝(𝑠) = (𝑠 + 5) (𝑠

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𝐺𝑐(𝑠) = 𝐾 (𝑠 + 3) 2 , 𝐺𝑝(𝑠) = (𝑠 + 5) (𝑠 + 1)(𝑠 + 4) and 𝐻(𝑠) =
1. Gc(s) + - Gp(s) R(s) r(t) e(t) E(s) C(s) c(t) H(s)
An input r(t) = 1.Au(t) is applied to the system, where the
function u(t) is the unit step function. It is desired that the
steady-state error, less < 0.1B. Determine the minimum value of
K that would satisfy the design requirement. Where A = 5, B =7