Курсовые работы / температурой овощехранилища / РАСЧЕТЫ / ира

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>> v=tf([0.000058 0.01 0.092],[0.00031 0.054 0.54 1])

Transfer function:

5.8e-005 s^2 + 0.01 s + 0.092

------------------------------------

0.00031 s^3 + 0.054 s^2 + 0.54 s + 1

>> v=c2d(v,0.1)

Transfer function:

0.01761 z^2 - 0.006581 z + 2.471e-006

---------------------------------------

z^3 - 1.229 z^2 + 0.3492 z - 2.722e-008

Sampling time: 0.1

>>

>> v=tf([1.1],[0.0058 1 10 1])

Transfer function:

1.1

---------------------------

0.0058 s^3 + s^2 + 10 s + 1

>> v=c2d(v,0.1)

Transfer function:

0.003803 z^2 + 0.003387 z + 1.653e-005

---------------------------------------

z^3 - 1.338 z^2 + 0.3447 z - 3.252e-008

Sampling time: 0.1

>>