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  1. darkfeffy

    Multiple phase margins?

    Hi all, I am faced with an interesting transfer function as follows: Gx(s) = C(s)*C_PID(s)*G(s) Where: (NB: "ex" represents 10^x) C = 1/((5e-5)*s +1); C_PID = Kp + Ki/s + Kd*s/(Tf*s+1) with Kp = 0.21205; Ki = 62.3191; Kd = 1.0773e-5; Tf = 2.9319e-5. G = (-342.1 s^3 - 3.713e10 s^2 + 5.446e15...

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