dlhct_tonghop1btd
DESCRIPTION
ĐLTRANSCRIPT
-
Tng hp H 1 bc t do
Dao ng t do (H khng cn)
Dao ng t do (H c cn cn t)
Phn ng vi ti iu ha (H khng cn)
Phn ng vi ti iu ha (H c cn)
+ =mv(t) kv(t) 0 + + = mv(t) cv(t) kv(t) 0 + = 0mv(t) kv(t) p sin t + + = 0mv(t) cv(t) kv(t) p sin t
= +
= +
0
0
vv(t) v cos t sin t
v(t) cos( t )
= + =
2
2 10 00
0
v vv ; tan
v
=k
m
+ = +
= +
t0 0
0 D D
D
t
D
v vv(t) v cos t sin t e
v(t) cos( t )e
+ + = + =
2
2 10 0 0 00
D D 0
v v v vv ; tan
v
= 2D
1
= + cv (t) A cos t B sin t
( )=
0
p 2
p 1v (t) sin t
k 1
( )
( )
= +
+
0 00 2
Transient
0
2
Steady State
v pv(t) v cos t sin t
k 1
p 1sin t
k 1
=
( ) = + tc D Dv (t) A cos t B sin t e
( ) ( )( )
( )
= +
=
0p 2 22
p
p 1v (t) sin t
k1 2
v (t) sin t
( ) ( ) = = +
10
22 22
p 1 2; tan
k 11 2
( )
( ) ( )( )
= +
+ +
t
D D
Transient
20
2 22
Steady State
v(t) A cos t B sin t e
p 11 sin t 2 cos t
k 1 2
0mv(t) kv(t) p cos t+ = + + = 0mv(t) cv(t) kv(t) p cos t
= + cv (t) A cos t B sin t
( )0
p 2
p 1v (t) cos t
k 1=
( )
( )
0 00 2
Transient
0
2
Steady State
v pv(t) v cos t sin t
k 1
p 1cos t
k 1
= +
+
=
( ) = + tc D Dv (t) A cos t B sin t e
( ) ( )( )
( )
0p
2 22
p
p 1v (t) cos t
k1 2
v (t) cos t
= +
=
( ) ( ) = = +
10
22 22
p 1 2; tan
k 11 2
( )( ) ( )
( )= + + +
t 0D D
2 22Transient
Steady State
p 1v(t) A cos t B sin t e cos t
k1 2
( )=
d 2
1K
1
( ) ( )=
+ d
2 22
1K
1 2