# NE7.1b - figure td = [0:0.01:1.5] step(Des2,td) %...

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Sheet1 Page 1 %------------------------------------------------------ % NE 7.1b %------------------------------------------------------ PO = 6 % overshoot and settling % time term = pi^2 + log(PO/100)^2 zeta = log(PO/100)/sqrt(term) % Damping ratio from PO wn = 4/(zeta*ts) % Natural frequency from % settling time and zeta num2 = wn^2 % second-order system den2 = [1 2*zeta*wn wn^2] DesEig2 = roots(den2)% Desired control law % eigenvalues Des2 = tf(num2,den2) % from num2 and den2

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Unformatted text preview: figure td = [0:0.01:1.5] step(Des2,td) % performance measures %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% % Answer %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% a) zeta = wn = den2 = 1.0000 8.0000 23.4461 DesEig2 =-4.0000 + 2.7288i Sheet1 Page 2-4.0000 - 2.7288i b) K = 16.4461 -8.0936 Sheet1 Page 3 ts = 4 % Specify percent % Generic desired % Create desired system % Right-click to get Sheet1 Page 4...
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## NE7.1b - figure td = [0:0.01:1.5] step(Des2,td) %...

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