Question: Problem 1. Using the transfer function defined as G(s) term K in the forward path as shown below, i. ii. iii. R(s) K =

Problem 1. Using the transfer function defined as G(s) term K in the forward path as shown below, i. ii. iii. R(s) K = 10 s(s+2)(s+4)' G(s) introduce a proportional control Y(s) Find the characteristic equation for the closed-loop system by hand, including K as a parameter Use Matlab to determine the value for K that produces a critically stable response (sustained oscillations). Simulate the step response of this closed-loop system, noting the value of K and the frequency we of the sustained oscillations (in rad/sec). In what ways do the values of K and we relate to the characteristic equation of part (a)?

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