Question: P10.39 A unity feedback system has a plant We desire that the phase margin be P M . . = 30. For a ramp input

P10.39 A unity feedback system has a plant

G(s)= = 40 s(s+2)

We desire that the phase margin be P M. . = 30°. For a ramp input r t( ) = t, we want the steady-state error to be equal to 0.05. Design a phase-lag compensator to satisfy the requirements. Verify the results.

G(s)= = 40 s(s+2)

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