. 2.1 -. w , . ( ).
, , .
, . , . . 1.2, . 1.2, . 1.3, . 1.7. .
. 2.2.
. 2.2
, ( - ). . .
. , , W (s). ,
. (2.19)
, . 2.3.
. 2.3
: f (t), y (t) e (t). - - . . 2.4.
) )
. 2.4
. 2.4, (s) .
. 2.4, e(s) .
.
(. . 2.3), (s) e(s) W (s) , .
(s) = Y (s) / F (s). , . 2.3, E (s):
Y (s) = E (s) W (s) = (F (s)- Y (s)) W (s). (2.20)
(2.20)
. (2.21)
. (2.21) W (s) = B (s) / A (s),
. (2.22)
, .
A (s), - , .
|
|
e(s) = E (s) / F (s). , . 2.3, Y (s):
E (s) = F (s) -Y(s) = F (s) - E (s) W (s). (2.23)
. (2.24)
. (2.24) W (s) = B (s) / A (s),
. (2.25)
, .
A (s), - , .
. - ; .
(2.21), (2.22) (2.24), (2.25) , .