Matlab

Tarea # 8.4

>> s=tf('s');
>> num=(1+(0.1*s));
>> den=s*(s+1)*(s+4)*(s+4);
>> Lo=num/den
Transfer function:
0.1 s + 1---------------------------
s^4 + 9 s^3 + 24 s^2 + 16 s
>> rlocus(Lo)

Tarea # 8.5

>> num=(s+10);
>> den=s*(s+2)*(s+5);
>> L1=num/den
Transfer function:
s + 10------------------
s^3 + 7 s^2 + 10 s
>> rlocus(L1)

Tarea # 8.6

>> num=(s+2);
>> den=s*(s^2+4*s+21)*(s+1);
>> L4=num/den

Transfer function:s + 2
---------------------------
s^4 + 5 s^3 + 25 s^2 + 21 s

>> rlocus(L4)
Tarea # 8.7

>> num= (s+3);
>> den= s*(s^2+2*s+2)*(s+5)*(s+6);>> L3=num/den

Transfer function:
s + 3
-------------------------------------
s^5 + 13 s^4 + 54 s^3 + 82 s^2 + 60 s

>> rlocus(L3)

Tarea #13.9| >> num2=100*(s-2);>> L92=num2/den, Transfer function: 100 s - 200-------------s^2 + 2 s + 1 >> nyquist(L92) |
| >> s=tf('s');>>num1=(s-2);>> den=(s+1)^2;>> L91=num1/den, Transfer function: s - 2-------------s^2 + 2 s + 1 >> nyquist(L91) |

Tarea #13.10
| >> num10=1;>>dem10=(s+1)*(2*s+1)*(3*s+1);>> L11=num10/dem10;>> nyquist(L11) |
| >> num100=100;>> L110=num100/dem10;>> nyquist(L110) |

Tarea #13.11
| >>num111=(s+1);>> den11=s^2;>> L111=num111/den11;>> nyquist(L111) |
| >> num1111=100*(s+1);>> L1111=num1111/den11;>> nyquist(L1111) |

Tarea #13.12
|>> num12=1;>> den12=(s^2)*(s+1)*(2*s+1);>> L12=num12/den12;>> nyquist(L12) |
| >> num121=100;>> L121=num121/den12;>> nyquist(L121) |