4.2.1.
, , . , , , , .
, , . .
:
= + J dw / dt, (4.1)
U = w + R /()2, (4.2)
U - ;
I - ;
R - ;
J - , .
(4.1) (4.2) :
dw U R
JR / ()2 ¾ + w = ¾¾ - ¾¾; (4.3)
dt ()2
U R
¾¾ - ¾¾ = w - Dw = w ; (4.4)
()2
(4.3) :
dw
JR / ()2 ¾ + w = w . (4.5)
dt
JR / ()2 = .
. . ,
R / ()2 = w / ,
:
= J w / . (4.6)
,
= J dw /dt. (4.7)
(4.7) , ,
= J Dw /Dt. (4.8)
0 , Dw = w . (4.8) :
Dt = Jw / . (4.9)
(4.6) (4.9) , Dt , , , . : , J , , , .
, , , .4.1 - , 1 .3.1, . (3-4) .
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.4.1.
, (4.6) :
dw /dt + w = w. (4.10)
, , :
w = w + (w - w ) e -t/T. (4.11)
, (4.11):
= + ( - ) / . (4.12)
(4.11) (4.12) : , , , , , . , .
(4.11) (4.12) , , . , (0,95 0,98) .
, .
4.2.2.
= 0. , . , , . .4.2 , . :
= ; w = 0;
= 0; w = w ;
) )
.4.2.
( ) .4.2. t = 0.
, , 15 20 . ( ) .
4.2.3.
, .4.3, ( , ), 1, 2. ( ) .
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, 2. 1 .4.4.
.4.3.
= ; w = 0; , 1.
) )
.4.4.
= 2 1, . , , , (L = 0) 2 .4.4. = ; w = w 1; , 2.
= 2 2, .4.4. = ; w = w 2; , .
.4.4.
(4.12) i 2:
t i = i ln (1 ) / (2 ). (4.13)
(4.13) , , .
:
t =å i ln (1 ) / (2 ), (4.14)
i=1
.
[7].
4.2.4.
: . .
. , . [7].
1 .4.5 w . , . 2 .4.5. - , , . , 2 .4.5 (1; w ). 2. , ( , ) .
) )
.4.5.
(.4.5), = ; w = w ; w 2. .4.5 , . , w = 0 , .
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.4.5.
. , . .
. 1 .4.6 w .
) )
.4.6.
, , (1; w ). , . , . , , . , , .
(.4.6) = ; w = w ; w 2. .4.6.
. , , 1 .4.7 . , (.4.7), = ; w = w ; w 2.
) )
.4.7.
, , , , , . w = 0 , : = -; w 1 , . : w = 0 2, (.4.7).
.4.7.
4.2.5.
1 .4.8 = w = w .
) )
.4.8.
2 .4.8 . , . , , , w , . , . (; w ). , , .
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. 4.8, - .