Question: A). For the system shown below determine the value of K, that will give 30 degrees of phase margin. B). If a PI controller

A). For the system shown below determine the value of K, that

A). For the system shown below determine the value of K, that will give 30 degrees of phase margin. B). If a PI controller with t=2 is used in place of the proportional only controller, determine the new value of K, that will give 30 degrees of phase margin. C). Plot the resulting transfer function with a step input and assess the stability. K. (s+1)?

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