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Trêng ®¹i häc c«ng nghiÖp hµ néi
Trêng ®¹i häc c«ng nghiÖp hµ néi


Khoa ®iÖn
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05/07/14
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X(t)
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05/07/14
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Gi iả
05/07/14
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Gi iả
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05/07/14
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05/07/14
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05/07/14

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τ+
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t
43,4%
1
X(t)
3,1τ
σ
16,5τ
σ

05/07/14
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05/07/14
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T

+G/8(84!.6-$56
)p001,01)(p003,01)(p002,01)(p2,01(
10
0
)p(S
++++
=
p001,01
1,0
i
)p(S
+
=
ω
LJK
eIJK
eJK
kω

T

R>
p001,01
1
Loc
+
=
05/07/14
Ch¬ng 2
Mét sè phÇn tö tù ®éng trong hÖ ®iÒu chØnh tù ®éng truyÒn ®éng ®iÖn
2.1. khuếch đại thuật toan
Khuếch đại thuật toán là phần tử cơ bản để xây dựng mạch tương tự
i(87
l
T
T
l
j'
j'
H2.1: Ký hiÖu K§TT
/36-4  //ả Đ
mmmmm*6(8nS∞J 8nSoI
p
K
+mmmmm/C(q

S∞Jq

≈QΩK

rmmmmm/C(q

SIJq

SIIΩK
pmmmmms 'Iả ÷∞
ommmmm  ;:(;4V(;Đ ể
t/2831_
05/07/14
::',28 /0$ả 
::5
l
T
H2.2: S¬ ®å nguyªn lý
k

k
4
k

L

L

L
+
k
+
) (
n1

n1
b1
b1
a1
a1
22
R
U
R
U
R
U
RU
+++−=
M8>L

SL
4
S SL…

SL
+
!3
k
+
STJk

lk
4
l lk…


K
05/07/14
:::5B%%
l
T
H2.3: S¬ ®å nguyªn lý m¹ch lÆp
k

k
+
()J5?'66
()5K
Q"2WZ)"3
::5 ả 
l
T
H2.4: S¬ ®å nguyªn lý m¹ch ®¶o
k

L
L
k
+
k
+
STk

05/07/14
::)5((

l
T
H2.5: S¬ ®å nguyªn lý m¹ch so s¸nh
k

L
k
+
L
k
+
::C5
H2.6: S¬ ®å nguyªn lý m¹ch h¹n chÕ
l
T
k

k
+
lk

Tk

b
l
b
T
k
l
k

T
&

&
+
k
l
k
T
k

k
+
H2.7: §Æc tÝnh kh©u h¹n chÕ
05/07/14
:'8
u!!'v=>
 !/ 4C. 4 59!<ĐĐ ả ả 
u!.D
mmmmm836[
+/() 4 59!<ả ả 
/w,3().4!5- 04!
14!()6
:5("812
:DE
H2.8: S¬ ®å m¹ch nguyªn lý
l
T
k
x

L

L
+
k
+
L

k

H2.9: §Æc tÝnh cña bé ®iÒu chØnh

k
+
k
+
S
L
∆k

∆k

I
05/07/14
*24!
R
1
2
1
2

pR
K
R
R
U
U
F =−==

)(
U
2
=K
R
.∆U
1
::D%FGH
H2.10: S¬ ®å m¹ch nguyªn lý
l
T
k
x
L


+
k
+
L

k


H2.11: §Æc tÝnh cña bé ®iÒu chØnh

k
+
I
τ
*24!
I12
R
p
1
RpC
1
pF
τ
==
)(
/.Gτ
f
SL


+
V6
B3

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