Question: 2. Consider a process with transfer function -0.2 s G. -4 (s-2)(s +3) controlled by a controller with transfer function Ge(s)=-2(1+1). 100s Use the Nyquist

2. Consider a process with transfer function -0.2 s G. -4

2. Consider a process with transfer function -0.2 s G. -4 (s-2)(s +3) controlled by a controller with transfer function Ge(s)=-2(1+1). 100s Use the Nyquist stability criterion to determine the number of closed loop poles with positive real part. Is the closed loop system stable? Do not forget to sketch theo radius semicircle. Nyquist plot recommended values: Wmin = 0.05, Wmax = 100

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