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Cảm biến công nghiệp -chuong 1: khái niệm và các đặc trưng cơ bản

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*@"+(% "0!p

6:9(B
⇒0EM?] %Aq21! (<&(r !=6! &5
(sI@6M!(t6>

8



9






=
N>N>?%A
cC+41 !&%++&'!:$!;2%&'+(F

(@*+(g+(56>

.!(.!B

?$7B
⇒?%AB
( )
52
3:
ω+=
( ) ( )
ϕ+ω+= 52
3:
:
8
3
3


7








=
N>Q>?(@A(.

)c

4
<+! (ra  (@A (.  @(;E8 23 Y(@!!=6 
%A"+$(<;!=6%&'+⇒1!(<&(r+%(s>
4
<+!a @(;E823Y(@!!=6%Aqa!=6!$!
(3EMT$!=6G,u
c
aξv4"+$(<;!=6%&'+>
N>Q>?(@A(.
"c Ca j : ?  &5 (s:eA 8 (<F !HE[!$!EM 0@
(8!02!@P!E6+!+E6EM9/(>
<+-B
2$ +=
N>Q>?(@A(.
cC+6 (1% .:$!;[0!!8!%d6&5!+!@P
"&5(s(M(/(a(.]w(<++>
ε
E

$M,Mk)>:+.L
)c
k)>:E60!d6$(<;+&'!,4"$(<;(8!!=6%&'
!*+,4>
4
q6EM(@A0(MB
4
q6EM(&HMB,w4
4

g+@AFe!6<6B
Kq6EM0(M>
Kq6EMj@F>
3::2
;
; −

$M,Mk)>:+.L

k)>: :E6EM$(<;"I@A@(!-( ((<&W!>

(1E^
\b+$(<;!=6%&'!@P23x>
\b+1!(.!=6!>
\q6EM+h@20"!EXY>
\q6EM+:X)2(I@E6>
$M,Mk)>:+.L

k)>:l(Eq6EM:@/(0j@Fa/@"F!=6-
6(.23:$!;>

(1E^
\q6EM+(.23:$!;!=61!(<&!L
\q6EM+(.0@Z@j@FL
\q6EM+E8(6A#!=6!$!%&'&[>
$M,Mk)>:+.L

C>)>:
K
q6EM0(MB2 (<6!"((;Y(<'>

K
q6EMj@FB&W!&']&H$:X)(M2F→:$!
;$(<;:$!E@/(!=6%&'+aW%!=6E6EM>

×