451hw9

# 451hw9 - Julian Weathersby AME451 Hw#9 Problem 11 System 1...

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Julian Weathersby AME451 Hw#9 Problem 11 System 1: for K= 1000, 100, 0.1 respectively g11a1=tf([1000],[1 12 44 48]); [Gm1,Pm1]=margin(g11a1); Gm_dB1=20*log10(Gm1); Gm_dB1 Pm1 g11a2=tf([100],[1 12 44 48]); [Gm2,Pm2]=margin(g11a2); Gm_dB2=20*log10(Gm2); Gm_dB2 Pm2 g11a3=tf([0.1],[1 12 44 48]); [Gm3,Pm3]=margin(g11a3); Gm_dB3=20*log10(Gm3); Gm_dB3 Pm3 bode(g11a1,g11a2,g11a3) System 1 Margin K Gain Phase 1000 -6.3752 -20.2512 100 13.6248 72.7213 0.1 73.6248 Inf -200 -150 -100 -50 0 50 M a g n i t u d e ( d B ) System 2: for K = 1000, 100, 0.1 respectively

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Julian Weathersby AME451 Hw#9 g11b1=tf([1000 -4000 13000],[1 6 8 0]); [Gm1,Pm1]=margin(g11b1); Gm_dB1=20*log10(Gm1); Gm_dB1 Pm1 g11b2=tf([100 -400 1300],[1 6 8 0]); [Gm2,Pm2]=margin(g11b2); Gm_dB2=20*log10(Gm2); Gm_dB2 Pm2 g11b3=tf([0.1 -0.4 1.3],[1 6 8 0]); [Gm3,Pm3]=margin(g11b3); Gm_dB3=20*log10(Gm3); Gm_dB3 Pm3 bode(g11b1,g11b2,g11b3) System 2 Margin K Gain Phase 1000 -57.1488 90.573 100 -37.1488 95.7386 0.1 22.8512 80.2079 -100 -50 0 50 100 150 M a g n i t u d e ( d B ) System 3: for K = 1000, 100, 0.1 respectively
Julian Weathersby AME451 Hw#9 g11c1=tf([1000 -3000 2000],[1 3 2]); [Gm1,Pm1]=margin(g11c1); Gm_dB1=20*log10(Gm1); Gm_dB1 Pm1 g11c2=tf([100 -300 200],[1 3 2]); [Gm2,Pm2]=margin(g11c2); Gm_dB2=20*log10(Gm2); Gm_dB2 Pm2 g11c3=tf([0.1 -0.3 0.2],[1 3 2]);

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451hw9 - Julian Weathersby AME451 Hw#9 Problem 11 System 1...

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