Question: An uncompensated control system with unity feedback has a plant transfer function We want to have a velocity error constant of Kv - 20. We

An uncompensated control system with unity feedback has a plant transfer function

We want to have a velocity error constant of Kv - 20. We also want to have a phase margin of approximately 45° and a closed-loop bandwidth greater than a) = 4 rad/s. Use two identical cascaded phase-lead networks to compensate the system.

G(s) s(s/21)(s/6 1)

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We desire K v 20 PM 45o and B 4 radsec Thus we set K 20 and Then the Bode plot yields PM ... View full answer

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