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Unformatted text preview: (Use the backward transformation for the controller). controller Z.O.H 2 1 ) ( s s G p = C(z) R(z) 4. Design a discrete proportional controller for the control system shown below such that the closed-loop damping ratio becomes approximately 0.7 using the frequency domain approach. r ( t ) c ( t ) controller Z.O.H R(z) C(z) ) 5 ( 1 + s s...
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- Fall '09