A unity feedback system has the following forward transfer function: $G(s) = frac{10(s+20)(s+30)}{s(s+25)(s+35)(s+50)}$ Find the steady-state errors for the input 15u(t), 15tu(t), and 15t"u(t).
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Step 1
First, let's find the closed-loop transfer function H(s) by using the formula H(s) = G(s) / (1 + G(s)): H(s) = 10(s+20)(s+30) / [s(s+25)(s+35)(s+50) + 10(s+20)(s+30)] Next, let's find the steady-state error for each input. Show more…
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