Ejemplos De Problemas De Lgr En Matlab

INSTITUTO TECNOLOGICO DE SALTILLO

ING. CECILIA MENDOZA RIVAS

MATERIA: CONTROL

CLASE: 10:00-11:00 HRS

ARMANDO JOSAFAT GARZA HERNANDEZ

NC. 08051298

“PROBLEMAS DE LGR EN MATLAB”1. G(s)= k (s+2) ; H(s)=1
S2 +2s +2
>> k=1
k =
1
>> num=[1 2]
num =
1 2
>> den=[1 2 2]
den =
1 2 2
>>sys=tf(num,den)
Transfer function:
s + 2
-------------
s^2 + 2 s + 2

>> rlocus(sys)

>> rlocfind(sys)
Select a point in the graphics window
selected_point =
0.9905 -0.0047i
ans =
1.6593

>> bode(num,den)

2. G(s)= ____k ____ ; H(s)=1
(s+1)(s2 +4s+29)
>> k=5
k =
5
>> num=[5]
num =
5>> den=[1 5 33 29]
den =
1 5 33 29
>> sys=tf(num,den)
Transfer function:
5
-----------------------
s^3 + 5 s^2 + 33 s + 29
>> rlocus(sys)>> rlocfind(sys)
Select a point in the graphics window
selected_point =
5.0000 - 0.1242i
ans =
88.8250

>>bode(num,den)

3. G(s)=_______k ________ ; H(s)=1s (s+4)(s2 +4s+20)
>> k=100
k =
100
>> num=[100]
num =
100
>> den=[1 8 36 80 0]
den =
1 8 36 80 0
>> sys=tf(num,den)Transfer function:
100
---------------------------
s^4 + 8 s^3 + 36 s^2 + 80 s
>> rlocus(sys)

>> rlocfind(sys)
Select a point in the graphics window
selected_point =4.9408 - 0.1398i
ans =
28.3675

>>bode(num,den)

4. G(s)=_______k ________ ; H(s)=1
(s2 +12s+32)(s2 +28s+192)

>> k=10

k =
10
>>num=[10]
num =
10
>> den=[1 40 560 3200 6144]
den =
1 40 560 3200 6144
>> sys=tf(num,den)
Transfer function:
10...