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Unformatted text preview: 2+ = 1:4065s s 2s + 10 2 The actual step response for
DGs 20 = ssK 0:2s + 1 ; + 8s + 3 K = 2:8131 is given by with MATLAB which satis es both requirements: Step Response
From: U(1) 1.4 1.2 1 Amplitude 0.8 To: Y(1)
0.6 0.4 0.2 0 0 0.5 1 1.5 2 2.5 3 Time (sec.) 3. Denote D1 s and D2 s as the PID compensators designed in Prob.1 and Prob. 2 respectively. i By G0 = 40=240 = 1=6, we have lim D Gs = lim 10:0623 G0 = lim 1:6771
s!0
1 lim lim 14:065 lim 2:3442 s!0 D2 Gs = s!0 s G0 = s!0 s using the expressions for D1 s in 1 and D2 s in 2. Because sensitivity performance requires DGs to be large,...
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This note was uploaded on 02/03/2012 for the course EE 3530 taught by Professor Chen during the Fall '07 term at LSU.
 Fall '07
 Chen

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