(. 5.1) 䳺 , 䳺 1. 1 2 . . . ҳ 1 .
3 1 2 : R1=0,25; R2=0,45; r2=0,15; i2=0,4; l=0,7; m1=0,5; m2=5; m3=4; =3t3H; t2=2c.
5.1
. (. 5.1) 㳿
, (5.1)
- , Ne , Ni , Ni = 0 , .
ʳ 㳿 ,
=1+2+3.
ҳ 1 2 :
, , (5.2)
, - 1 2, w1, w2 .
ҳ 3 V3,
. (5.3)
(. 5.2)
, . (5.4)
, (5.2), (5.3) (5.4), V3 3
. (5.5)
5.2
(. 5.2) : P1=m1g, P2=m2g, P3=m3g ; () X1 , Y1 , X2 , Y2 , NA , NB.
X1 ,Y1 , P1 , X2 , Y2 , P2 , NA i NB , . N 3 - 3.
,
.
. (5.6)
㳿 (5.1) (5.5) (5.6) :
,
. (5.7)
, .
ϳ , :
t1=2c, , , .
.6
I (. 6.1 6.5), ( I ), . w I t=t1. . . . 6.1. , . . r (. 6.1 6.5).
6.1
, | , | , ͷ | , | |||||
r1 | r2 | r3 | m1 | m2 | m3 | M | t1 | |
0.15 | 0.20 | 0.45 | 0.5 | 0.4 | 0.6 | 8+3t | ||
0.30 | 0.35 | 0.60 | 1.0 | 0.9 | 0.8 | 4-wI | ||
0.35 | 0.45 | 0.70 | 1.5 | 1.4 | 1.0 | 6+zt2 | ||
0.35 | 0.40 | 0.65 | 1.25 | 1.2 | 0.9 | 5+3wI | ||
0.45 | 0.50 | 0.95 | 0.75 | 0.6 | 0.8 | 12+5t | ||
0.30 | 0.35 | 0.90 | 0.8 | 0.5 | 0.6 | 1+6wI | ||
0.40 | 0.45 | 1.00 | 0.6 | 0.4 | 0.5 | 2+9t2 | ||
0.45 | 0.50 | 1.2 | 0.7 | 0.6 | 0.9 | 8+wI | ||
0.20 | 0.30 | 0.50 | 0.4 | 0.3 | 0.5 | 2+3t | ||
0.50 | 0.60 | 1.2 | 0.3 | 0.4 | 0.6 | 9+2wI |
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