How to calculate alpha and tau for a lag network

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What is the difference between a lag network and a lag compensator.

How do you calculate alpha and tau for a lag network.

Given a function G = K/(s + 5)^2 and needing to design a lag network that needs a phase margin of 45 degrees and a steady state error of 5% how do you calculate aplha and tau for the compensator function Gc(s) = (1 + tau*s)/(1 + aplha*tau*s)?

Reference no: EM13255223

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