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HViết Bình CÁC BPHN CƠ BN TRONG HTHNG TĐỘNG

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Hồ Viết Bình

CÁC BỘ PHẬN CƠ BẢN

TRONG HỆ THỐNG TỰ ĐỘNG

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Hồ Viết Bình

MỤC TIÊU CHƯƠNG 2

+ Phân tích cấu trúc cơ bản của hệ thống tựđộng và nhiệm vụ của các bộ phn chính

+ !hi"t #" các thi"t b$ tự động đơn giảntr%ng c&ng nghiệp và đ'i (ống

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NỘI DUNG CHƯƠNG 2

2.1- CÁC VÍ DỤ VỀ HỆ THỐNG TỰ ĐỘNG2.2- CẤU T!C C" B#N C$% HTTĐ2.&- NH'Ệ( VỤ C$% CÁC BỘ )H*N CHÍNH

2.+- C#( B',N2.- BỘ )H*N Đ'ỀU H'/N2.0- BỘ )H*N CHẤ) HNH

2.- C3NG CỤ (3 T# HỆ THỐNG TỰ ĐỘNG

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2.1- VÍ DỤ4 HỆ THỐNG V*N CHU5/N V Đ6NG G6' TỰ ĐỘNG

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Hồ Viết Bình

(Á5 )H7N 89:' ÍCH TH;<C TỰ ĐỘNG

(:CH Đ'ỀU H'/N

C" CẤU TÁC ĐỘNG

C" CẤU ĐỰNG=#N )H>(

TH?NG ĐỰNG =)

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Hồ Viết Bình

2.2- CẤU T!C C" B#N C$% HTTĐ

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Hồ Viết Bình

2.&- Nhi@A EF hIntJ

hKnh tLMn h@ thOn tP QRn)* ảm bi"n,

-* .ộ phn /0 1í tín hiệu,2* .ộ phn chấp hành

3* .ộ phn gia% ti"p

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Hồ Viết Bình

Nhi@A EF SA iến 

* !iế nhn tKn hi@ WMXtLMn nWnhY ZhK th[\n ]W tKn hi@ Y^ nhi@t_`

- Chabn Qci tKn hi@ Qd thWnh Qei ][fn t ]g Zh Xth[\n ]W tKn hi@Qi@n`

- TLan hM Aeh Qi Zhibn XR hnJ ]K tKn hi@`.

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Hồ Viết Bình

BIEÁN ÑOÅI

ÑAÏI LÖÔÏNG

jk 8Í

TH3NG T'N

 Đei ][fnt ]g

 Đi@n nln

TKn hi@ Qi@n EFQei ][fn t ]g

CmN)HÁT H'ỆN

TÍN H'ỆU CmN TU5ỀN

BỘ C#( B',NBỘ jk 8

 Đi@n nln

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Nhi@A EF R hn J ]K

thon tin XR hn Qi Zhibn`- Th nhn thon tin

- jJ ]g thon tin4 tc hf^ hpn tKh^ qMqnh^ hpn hOi_- jrt ]@nh Qi Zhibn

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Hồ Viết Bình

Nhi@A EF R hn hr hWnh 

Phaàn töû chaáp haønh seõthöïc he!n ca"c h#aït $#!n%

nhö& $#"n%' ()û' $a*+'n%a,t- ca"c ch.+e*n $#!n%c.ûa ca"c /#! pha!n (a"+

ha+ ca"c $aà. 0öïc thöïche!n nhe!( 1.ï c.ûa (2nh3

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Hồ Viết Bình

2.4- CẢM BIẾN

1. C thon qO Qs tL[n EFSA iến.

2. Cr teM SA iến&. )hpn ]Mei SA iến+. C ]Mei SA iến thon n.

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.

.

1- C thon qO Qs tL[n

EF SA iến 4i5n đ%, 6ộ phân giải, 6ộ chính /ác và độ chính /ác 17p, 6ộ tu8"n tính,

!ốc độ đáp 9ng của cảm bi"n

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Hồ Viết Bình

M!" #$

Miền đo hay khoảng đo của cảm biến là miền giới hạn bởi giá trị cực đại

và giá trị cực tiểu của đại l!ng c"n đo#mà cảm biến c$ thể %h&n bi't đ!c trongkhi v(n đảm bảo đ) tuyến t*nh y+u c"u ,

-* ./0 Miền đo của cảm biến nhi't đ),

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Hồ Viết Bình

Mieàn ño cuûa caûm bieán töø :-101  +2001

234 125641

t3 t5 t7

8544 1

t9

8644 1 Nhieätñoä t

Doø

ngñieän

Boä chue!n ño!inhieät ñoä co"

ñaàu #a $aø %oøngñieän tû $eä &'"inhieät ñoä

%

B

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Hồ Viết Bình

 ĐR hpn iSi

+ :iá trị đ) %h&n giải đ;i với m<i cảm biến là =ự thay đ>i lớn nh?t của g*a trị đo mà

kh@ng làm giá trị đ"u ra của cảm biến thay đ>i,8 A$i cách khác là giá trị đ!c đo c$ thểthay đ>i bBng đ) lớn của đ) %h&n giải mà kh@nglàm thay đ>i giá trị đ"u ra của cảm biến,

 -* ./0 C) %h&n giải của cảm biến nhi't đ) =;,

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Hồ Viết Bình

Ñ#! pha4n %aû c.ûa caû(

/eán nhe!t $#! s#á(aàu #a $aø )oá bö'"ctö'ng ö"ng &'"i nhieät

ñoä

6#561 6#641 Nhieätñoä

53

D6

(oä *han giaûi,+- 02/1

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Hồ Viết Bình

 6ộ chính /ác : độ chính /ác 17p

(oä chnh a"c cuûa caûm bieán ñö'chie!u nhö ñoä nha cuûa caûm bieán &aøñö'c ñ3nh ngh4a $aø )ö tha ño!i nhoûnhaát cuûa ñai $ö'ng caàn ño the! hieän'û ñaàu #a cuûa caûm bieán 56ha"i nieämnaø t %uøng7.

(oä chnh a"c $a8* $ai $aøø mieàngia" t#3 ñaàu #a co" the! nhaän ñö'c 6hicaûm bieán ño cuøng moät gia" t#3 ñaàu&aøo nhieàu $aàn 56ha"i nieäm naøthö'øn %uøn 7.

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Hồ Viết Bình

 6ộ tu8"n tính

Boä chue!n ño!i $aøø $" tö'ûng 6hi maøñaàu #a tueán tnh chnh a"c &'"i ñai $ö'ngño. 9höc teá 6hong co" ñaàu ño naøo hoaønhaûo nhö theá .

 (oä tueán tnh thö'øng ñöa #a &'"i moät%aûi gia" t#3 +-cho ca"c tn hieäu ñaàu #acuûa caûm bieán

ai )oá &eà ñoä tueán tnh 6hong *haûit#en toaøn boä mieàn ño co" the! caûithieän ba;ng ca"ch chia t< $eä t#ung tamcuûa mieàn ño. 5=>nh7

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Hồ Viết Bình

(oä *hi tueán cuûa caûmbieán a"* $öc

(aàu #a thöc teá cuûacaûm bieán

(ie!m anhaát

Ñe!na"p

(ö'øng tha@ng $"tö'ûng

A"p0öïc

A

Mieànño

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Hồ Viết Bình

!ốc độ đáp 9ng củacảm bi"n

  9oác ñoä ña"* ö"ng cuûa caûm bieán chobieát tn hieäu #a co" theo 63* )ö tha ño!icuûa ñai $ö'ng ñö'c ño ha 6hong.

  ?aûm bieán ña"* ö"ng caøng nhanh caøngtoát ñieàu naø #aát Cuan t#ong ñoái &'"ica"c thieát b3 chue!n ño!i toác ñoä cao

nhö #obot ma" cong cu ñieàu 6hie!n)oá.

  ?aûm bieán *haûi ñö'c chon $öa *huø 

h'* &'"i ña8c tnh ñoäng $öc hoc cuûa

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Hồ Viết Bình

56 CẤU T:9 C#( B',N

B#! pha!n

nha!n t7nhe!.

B#! pha!n/eán $#*t7n he!. 8eáp

$e*(

thö)øn% ()û

)H7N 89:' C#(

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Hồ Viết Bình

96 )H7N 89:' C#(B',N

TKn hi@t[Yn

tP

Nhe!t$#!

2%&&

2& '(

8h)ø%an

TKn hi@

9Nu9vv

&

)

TKn hi@=Ố

G#"c:.a+

444

443

434433

1.han $oai theo tn

hieäu #a:co" E %ang tn hieäu #a:

  - 9n hieäu FN FGG

  - 9n hieäu tö'ng tö 

  - 9n hieäu )oá

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Hồ Viết Bình

; 6 C ]Mei SA iến

?aûm bieán &3 t# .

?aûm bieán ño nhieät ñoä.

?aûm bieán ño a"* )uaát &aø $öu

$ö'ng.?aûm bieán $öc.

?aûm bieán ño &aän toác gia toác.

?aûm bieán ño go"c?aûm bieán ño 6ch thö'"c chi tieát.

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Hồ Viết Bình

CSA iến Qwnh w tLK 

ảm bi"n tiệm cn,

ảm bi"n ;uang điện ,

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Hồ Viết Bình

=xnqML  )8CBM xyxtxL 

;CMnxaxL 

(MtML 

)LMt)LMt

<=P>!

?@n(%r 

A=!BAC

PC

A>!P>!

%nv@8@rD B@E@ct@r 

zn Dn CSA iến w tLK tLMn H@ ThOn TP ĐRn

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Hồ Viết Bình

CSA Biến Ti@A Cn

 Đs QibA4

  )ht hi@n t Zhon In tiế {.

  TO QR Q |n FM.  ĐI qxnqML nh} d thb ]~ • nhi nYi.

  Cd thb qJ n tLMn Aoi tL[\n Zh~ nhi@t.

CSA Biến

Vt CSA Biến CSA Biến

Vt CSA Biến

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Hồ Viết Bình

CSA Biến Ti@A Cn

8Mei

CSA zn T€

8Mei

 Đi@n Dn

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Hồ Viết Bình

ảm bi"n tiệm cn điện tF<n=.ct1e p>#?(t+ sens#>@

 ĐỐ' T;NG

 T‚ T;ƒNG

CNDF 

V„ B#9 VỆ

 T:9 T‚ T;ƒNG  B',N Đ…'

 8NHI

JA

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Hồ Viết Bình

6H2nh =a"n% caû(/eán6a"ch (a,c =a4+6Ö"n% =.ïn% &

Pha"t he!n ca"c 1a!tthe* /aKn% ( 0#aï'thö)øn% =.øn% $e*h#án% cheá haønht>2nh3

Mh#aûn% pha"t he!n t#á $a &

((' N%.#àn & 565;D' 5;65;A #" 0#aï D 5=a4+' 9=a4+ h#aQc

A<5=a4+@3

aû( /eán te!( ca!n $e!n töø <n=.ct1

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Hồ Viết Bình

hMSn Ch ĐM - C 5ế TO #nh H[•n 

1. Vt 8i@ ĐOi T[fn X(FtxLiF]`4

I*$"

+U+

B*,

(/'"/'

C$001*

Đ 3" 56, 789

   :   ;  $   <  "  =  5   >  5   ;  5   <

  '    ?

       @  "   A  '  '   B

hMSn h ht hi@n EF qxnqMLh thR Lrt nhi WM t ]i@ EFt SA iến.

C t ]i@ d t€ tKnh hMs ZiA ]Meid h|F q~t q† d ZhMSn h hthi@n F hYn t ]i@ Zhon t€tKnh hMs Zhon h|F q~t. 

:;$<"= 5>5;0;>9 ;"

:' $ E;F"= 5;, 9 A";F' #J"= K

L89

Đ/ +1"$*

:' $ 5 9 9"; A9 +U+ K

L89

Đ/ +1"$*

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Hồ Viết Bình

NHARN BIEÁ8 AS LOAÏI AR8 LIER

H2H : PGH! G<I= ?J! !KL-LM N PGH! G<I= =GO4 D 6=Q

H2H : hát =iIn 9Jt ?K Lim oiH2G : ?Km BiOn ?4 9hP Ngm 9#ongNQRc

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Hồ Viết Bình

hMSn Ch ĐM - C 5ế TO #nh H[•n

2. Kh C‡ CEF  ĐOi T[fn X=iˆx`4

:;$<"= 5>5;0;>9 ;"

:5; 9;Q5 789 "

L89

Đ/ +1"$*

L89

Đ/ +1"$*

:5; 9;Q5 789 ";S

Nế t SA iến nh} hYn t thJ h‰n Xtxqt Myxt`^ZhMSn h ht hi@n EF qxnqML q† iSA.

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Hồ Viết Bình

hMSn Ch ĐM - C 5ế TO #nh H[•n

&. B DWa CEF  ĐOi T[fn X=iˆx`4

VŠi t SA iến thR nhdA ZiA ]Mei d t€ tKnh Xq~t^niZxn^ _`^ Wa t hSi ]Šn hYn hMs ‹n 1AA.

VŠi t SA iến Zhon thR nhdA ZiA ]Mei d t€ tKnh^ Wa EF t Wn A}n thì ZhMSn h ht hi@n Wn F

Đ/ +1"$*

L89

hMSn h

SA iến

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ATU BIEÁN 8IERU ARNÑIERN DNG

<capact1e p>#?(t+ sens#>@

Ñoáitöôïngcaàn

 phaùthieän

N%.+e4n 0+" h#aït $#!n%

AÁ8AÏO

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NaŒn T~ HMet ĐRn4)ht hi@n thxM naŒn t~ tnh Qi@n XqP thFa Qci Qi@n n iŽFt SA iến W QI qxnqML`^ d thb ht hi@n trt S t.

Rt ảm .i"n

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N%.+e4n 0+" h#aït $#!n%

?B (ieän %ung )öû %ung &aät the! caàn*ha"t hieän nhö moät cöc cuûa tu ñieän.Lhi &aät the! caøng gaàn caûm bieán th>%ung $ö'ng cuûa tu caøng cao .

Ben t#ong co" mach %uøng nguoàn D?tao %ao ñoäng caá* cho caûm bieán%oøng caûm bieán %oøng )eS ñöa #a moät%oøng ñieän t< $eä &'"i 6hoaûng ca"chgiöSa hai taám cöc.

7 =.ï & caû( /eán $e!n =.n% $# te!(

T Á R R Ñ R

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6H2nh =a"n% caû(/eán

6a"ch (a,c =a4+6Ö"n% =.ïn% &

  6Pha"t he!n (#ï1a!t the*'

  6#" the* pha"the!n 1a!t the* :.a0)"p ca"ch 0+<h#4n%

phaû 0aø ( 0#aï@nhö nö)"c t>#n%th.øn% nhöïa' #án%th.û+ tnh3

Mh#aûn% pha"t he!n &9 6

5V (('

U?

:   

ATU BIEÁN 8IERU ARN ÑIERN DNG <capact1e p>#?(t+ sens#>@

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ÖSNG DÏNG ATU BIEÁN8IERU ARN

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ÖSNG DÏNG ATU BIEÁN8IERU ARN

E5E& Laø sens#> pha"t he!n $ö)ïc tXt cY các 1a!t /Zn%( 0#[ \]. c^ th_ phát h`n \bc s c^ (dt ca các 0#n(ft cách ch7nh ?ác3 Mh#Yn% cách \# ca sens#> c^ th_ \bc\dt tg ((3

ÖS Ï T Á

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ÖSNG DÏNG ATU BIEÁN8IERU ARN

)ht hi@n n~ nhoA A}n tLŒn hFi n[Š

E5F65A 0à sens#> t`( cn ch.+in \_ phát h`n 1t th_/Zn% nh)( 1g \f tn c+ ca#3 JXt =j cà \dt sens#>' chk

cln Xn nmt 8EAH t>in /f h.ch \[3

ÖS Ï T Á

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ÖSNG DÏNG ATU BIEÁN8IERU ARN

2C-T ]W ]Mei SA iến ti@A n d R Zhaếh Qei L\i có chức năng Teach. Ch{n tF d thb qxt Q[f hKnh w tLK QibA In SA iến. =xnqML d thbhpn i@n Q[f ZhMSn h nh} tŠi .1AA.

C di ira hFa hồn ]Œn nhF. 8WA qFM Qb ht hi@n‘

ÖS Ï T Á

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ÖSNG DÏNG ATU BIEÁN8IERU ARN

H1,9 +1,"=

O:  NG

=J n qxnqML ti@A n d QI LF FnF]M X+ 2A%` W R J ]g tKn hi@thon Ainh &- Qb tKnh QR LRn. T€ Qd d thb iết Q[f ]W Q’ d iF w tLMn

di nhoA ] h[F.

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ÖSNG DÏNG ATU BIEÁN8IERU ARN

2-C ]W qxnqML ti@A n on qrt ]Šn d thb ht hi@n Q[f hrt]}n Œn tLMn hR hFa Zhon Xht hi@n QR L“n EF HR`.

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bSt

hất 1Tng

2”-j1(1

Uâ8 ra

 6i5u chVnh độ nhW8

2” 4 ĐM AP hrt ]}n

Xh&ng b$ ảnh hYZng bZi bSt #hí nh' chVnh đY[c độ nhW8 của (@n(%r 

ÖSNG DÏNG ATU BIEÁN8IERU ARN

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 ĐM AP hrt ]}n

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Hồ Viết Bình

ATU BIEÁN oANG LOAÏIPHATN AÏ

LOAÏI ÑAq 8H6PHAS8

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Cr TeM VW NaŒn T~ HMet ĐRn

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(MP

(MP

 ĐI ht

P;$9$-9*,"9$*

   V   U   t   T   h    b

D

 ĐI th

Cr TeM VW NaŒn T~ HMet ĐRn

D#øn%>a

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C[\n QR qn

 Đi@n

8[fn nh qn nhn q† Q[f habnt ]@ thWnh tKn hi@ Qi@n XhMs –nQi@n` W qF Qd Q[f Zhếh Qei.

C[\n QR qn

 Đi@n

(| n[‡n

9N

9vv

=xnqML rt tKn hi@ LF M dt nế A| Qi@n ]Šn hYnA| n[‡n

Cr TeM VW NaŒn T~ HMet ĐRn

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Hồ Viết Bình

PHAN LOAÏI ATU BIEÁNoANG

Th )ht ĐR 8

Th )htChn

haếh Tn

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1. Th )ht ĐR 8 XThLMh BxFA`4

Vt

 ĐI hthMSn h ht hi@n

 ĐI th

A\\

A=

)ht hi@n t

(ehht

qn DiMxht

—Fn

Thr ZKnh

Vt thb

DiMxnhn

—Fn

Thr ZKnh (ehnhn

q

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  zn Dn CSA Biến Th )ht ĐR 84

&C

Phát hiện các vt nhT

Phát hiện g]8 m^i #h%an

&=-C

L2

Phát hiện 1inh #iện điện t0

&C-

Phát hiện các vt 1_n

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  zn Dn CSA Biến Th )ht ĐR 84

 Đs QibA4

* ĐR tin a FM* hMSn h ht hi@n F

* hon w Snh h[•n •i Ast^ AW q~ t

)ht hi@n qŽF tLMn hR iraiếA tLF thO

)ht hi@n t ln nFn —F

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  zn Dn CSA Biến Th )ht ĐR 84

&˜-T01^ Ši tiF qn Aenh d thb aŒn —F } ™ ira Œn nMWi Wì a d thb ht hi@n Q[f qŽF u n[Š tLi pa tei th\i QibA hi@n teišn nh[ ht hi@n Q[f A| EF hrt ]}n nWa.

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2. 8h. Phát h.n% <Jet># Jerect1e@&phaûn?aï %ö)n%

=xnqML 

Vt

hMSn h ht hi@n

G[Yn

ααβ

β

G[Yn (=X(iLLML =L›Fx xyxtiMn` G[Yn Th[\n

z ế

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  zn Dn CSA Biến Th )ht Chn4

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  zn Dn CSA Biến Th )ht Chn4

 Đs QibA4

* ĐR tin a FM* GiSA Št pa œn

* &=-12 Cd thb hpn i@t Q[f t tLMn qOt^ A\^ dn]Mn

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  zn Dn CSA Biến Th )ht Chn4

 &˜-B ]W ]Mei qxnqML AŠi EF 9ALMn haŒn n Qb nhn iết hFi)T W hFi tLMn qOt. Ben šn d thb n AMx] š ]W &=-C0 .

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  zn Dn CSA Biến Th )ht Chn4

Nế qJ n qxnqML th[\n Qb ht hi@n hFi )T tLMn thìQoi ]{ Zhon cn Qwnh. =xnqML &˜-B d ZhS nln ht hi@n tOt ŠiQR tin a Lrt FM.

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Vt

=xnqML 

Vt

=xnqML 

&. haếh Tn XDi››qx x›]xtix`4

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&=C-V

&=C-V

&T-vD1

  zn Dn CSA Biến haếh Tn4

 Đs QibA4

* Dž ]~ Qst* Bw Snh h[•n •i Ast^AW q~ t^ nn^ _

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  zn Dn CSA Biến haếh Tn4

˜+Ÿ-V ]W ]Mei 8FqxL qxnqML W nd d thb ht hi@n Q[f hi FM EFnh Q[f ]WA LF Ši QR hKnh tŠi Wi AiLMAxt.

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  zn Dn CSA Biến haếh Tn4

&C-V(& Lrt nh} W d thb ht hi@n t thb d ZKh th[Š nh} Qến ^2 AA.Nd šn hpn i@t Q[f qP Zh i@t Lrt nh} AW q~.

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&. CSA Biến ”Fn )hSn je GiŠi Hen X8iAitx x›]xtix`4

N!"

LV"= 0;>9 ;"

B 0;>9

B ";8"

Vt

Nn

TL ht

TL th

b

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 Đs QibA4

*  Ch ht hi@n t tLMn n ht hi@n iŠi hen.

*  hon w Snh h[•n •i AW nn qF n SA iến.

*  8g t[•n hM nhi |n n In tLi@t tiŒ nn

  zn Dn =xnqML ”Fn )hSn je GiŠi Hen 4

ế

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&C. CSA Biến ”Fn Đst hMSn Ch XDiqtFnx =xttF]x`4

DaûSAiến

=xnqML 

Vt

Daû WiQst

Nh\ Qst Q[fZhMSn h^

nn Q’ Q[ftLi@t tiŒ

P+D 

t

 

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&=-C8

  zn Dn CSA Biến Đst hMSn Ch4

 Đs QibA4* Ch ht hi@n t thxM w tLK Qst

* BR th qJ n thiết w Qwnh w w tLK X)=D`^ Zhon qJ n tLFnqiqtML—Fn nŒn Zhon w Snh h[•n •i AW nn^ QR dn^ _

&G-81 ]W qxnqML Qst Q[f ZhMSn h thế h@ AŠi. Nd d thb nhn iết

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&G 81 ]W qxnqML Qst Q[f ZhMSn h thế h@ AŠi. Nd d thb nhn iếtQ[f qP Zh i@t Lrt nh} hi FM. =xnqML hMet QRn Lrt cn Qwnh WZhon w Snh h[•n •i AW q~^ hrt ]i@^ QR nhiŒn O^ QR dn WZKh th[Š EF t thb.

 Đb ht hi@n d hMs Zhon d On h{t Qi ZA thxM Qồ On Qdn hR.

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)ht hi@n thiế niŒA hMn ‹n FM q tLŒn n~ hFi ]™‘

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)ht hi@n hFi w thiế tLMn hR ¡

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Hồ Viết Bình

)ht hi@n FM QPn eM Q’ Q[f A• tL[Š Zhi FMnWa tŠi Aa Qc eM WM FM.

&G-81 ]W qxnqML Qst ZhMSn h thế h@ AŠi. Nd šn d thb ht hi@nQ[f qP Zh nhF QR FM hM ]W Lrt nh} ARt h hKnh .

)ht hi@n Z¢M tLŒn pa han‘

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Hình en EF iŒn Z¢M Zhon Q{n —i h W q† d hSn e t€ ira™ Z¢M W AW EF ira ™ šn thFa Qci. &G-81 d h| nln Qstnn d thb ht hi@n Q[f t thb dn W ồ h AW q~ Zh nhFŠi QR tin a FM.

)ht hi@n Z¢M tLŒn pa han‘

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Nhe!t $#! 0aø $aï 0ö)ïn% ch} c#" the* $#%a"n teáp t>e4n c) s)û t7nh chaát c.ûa 1a!t0e!. ph.ï th.#!c 1aø# nhe!t $#!3 87nh chaát$#" 0aø h nhe!t $#! ta"c =.ïn% 1aø# 1a!t0e!. tha+ $#* th2 $#! =an $e!n c.ûa 1a!t0e!. ha+ $e!n t>)û c.ûa ch."n% tha+ $#*the#3

Ñe* cheá taï# ca"c /#! caû( /eán nhe!t$#! n%ö)ø ta söû =.ïn% nheà. n%.+e4n 0+"

ha"c nha. nhö ca"c nhe!t $e!n t>)û{ nhe!tn%a.{ phö)n% pha"p :.an% =öïa t>e4n pha4n/#á ph#* /ö"c ?aï =# =a# $#!n% nhe!t- 

nhe!t $#!

aû( /eán $#

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nhe!t $#!

3 Ñe!n t>)û ( 0#aï3

53 Nhe!t $e!n t>)û

93 aû( /eán /a"n=an3

N%.+e4n 07 c.ûa caû( /eán

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Hồ Viết Bình

% +$e!n t>)û ( 0#aï

?aûm bieán ñieän t#'û 6im $oai X9D5Xe)iti&e 9em*e#atu#e Detecto#7 $aø $oaicaûm bieán maø nhieät ñoä taTng th>ñieän t#'û taTng.

Lim $oai %uøng ñe! cheá tao caûm bieánco" the! $aø *$atin ni6en ñoàng ha&o$Y#am.?a"c caûm bieán *$atin co" mieàn

ño 6ha" #oäng &'"i nhieät ñoä töø-200? ñeán 1000? .

aû( /eán $e!n

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Hồ Viết Bình

aû( /eán $e!nt>)û ( 0#aï

Nhe!t$#!

D#øn%$e!n

 0#aï

Da4+

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Hồ Viết Bình

Da4+n#á$aát

xö" ca"ch$e!n

+p0atn

Oán%

p0atn

Da4+p0atn

(ain%

1#û

Nhieät ñieän t#'

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Hồ Viết Bình

Nhieät ñieän t#'û $aø $oai caûm bieán nhieätñoä maø 6hi nhieät ñoä taTng th> ñieän t#'ûgiaûm.

?a"c nhieät ñieän t#'û thong thö'øng ñö'ccheá tao töø ca"c ot ba"n %aZn ña tinh the!nhö: MgF Mg[$2F\ Mn2FE GeEF\ ?o2FENiF ]n9iF\, Mieàn ño *hu thuoäc &aøo $oainhieät ñieän t#'û co" the! töø -2^E ? ñeán

E00 ?.

Nhieät ñieän t#'

û 

Nhieät ñieän t#'

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Nhieät ñieän t#'

û 

Nhe!t$#!

D#øn%$e!n

 ATU BIEÁN ÑIEq MHIEÅN NHIER8 ÑORLOƒ NNG

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Hồ Viết Bình

LOƒ NNG

Nhe!t$e!n t>)û

aà.$#

J) 0e $eà.he*n

?aûm bieán ba"n

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?aûm bieán ba"n%aZn

Nhe!t

$#!

Ñe!n a"p

HER 8HOÁNG ÑIEq MHIEÅN NHIER8ÑOR

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Hồ Viết Bình

ÑOR

DƒNG I ÖT LFS.

aû( /eán $# a"p

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Hồ Viết Bình

aû( /eán $# a"ps.aát

Ñ# a"p s.aát 0aø $# 0öïc ta"c =.ïn% t>#n%(#4 t>ö)øn% $aøn h#à ' =öïa t>e4n söïche4nh 0e!ch a"p s.aát %öõa ha 1.øn% eáca!n nha. 3

Mh söû =.ïn% ca"c 0#aï caû( /eán t>an%/„ the4( c) caá. ch.+e*n $#* t7n he!. 1„t>7 thaønh t7n he!. a"p 0öïc tö)n% $ö)n%3

Nguen $" $aøm &ieäc

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Hồ Viết Bình

g ø

Nguen $" $aøm &ieäc chung cuûa ca"ccaûm bieán a"* )uaát $aø %öa t#en c')'û bieán %ang ñaøn hoài cuûa ca"c*haàn töû nha &'"i a"* )uaát . öbieán %ang ñaøn hoài ño" )eS $aøm %ichue!n moät boä *haän c' hoc töø ño"%aZn ñeán )ö tha ño!i cuûa ñieän t#'û

ñieän %ung ha ñieän a"*. 9#ö'"c heát tat>m hie!u ca"c *haàn töû nha caûmño".

U#!t s#á phaàn töû nhaï+" át

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Hồ Viết Bình

a"p s.aát

 (# a"p s.aát =aïn% 0#ø ?# 3 (# a"p s.aát =aïn% (aøn%3 (# a"p s.aát =aïn% #án% th#4n%

nha. 3 (# a"p s.aát ca4n thain% /aKn%

h2nh 1aønh hain3

?aûm bieán a"* )uaát %ang

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Hồ Viết Bình

?aûm bieán a"* )uaát %ang$oø o

A"p s.aát p

aàn = $#!n%

A"p s.aát p

aàn = $#!n%

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Hồ Viết Bình

?aûm bieán a"* )uaát %ang

maøng DÏ

ASp s.aát p aàn = $#!n%

?aûm bieán a"* )uaát %ang

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Hồ Viết Bình

?aûm bieán a"* )uaát %ang

oáng thong nhau

?aûm bieán a"* )uaát %ang

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Hồ Viết Bình

?aûm bieán a"* )uaát %ang

can thaTng ba;ng h>nh &aønh6haTn

ATU BIEÁN ASP xAÁ8 ÔSI ORNATU I xAI

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Hồ Viết Bình ATU BIEÁN

UAƒNG

 UAÏH I

xAI

 NGOqN

 MHEÁHÑAÏI

aû( /eán $# a"pá

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Hồ Viết Bình

s.aát

δ 

 µ   sW  L

  4

5

=

C ª ε.=uX  ¨ M`

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Hồ Viết Bình

aû( /eán $# 1#øn%:.a+

D.øn% caû( /eán töø

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Hồ Viết Bình

%t>)û /eán the4n 

Lhi ñ4a Cua töøt#'û cuûa machtöø cuoän %abieán thien moätca"ch tuaàn hoaøn$aøm uaát hieän

t#ong cuoän %amoät )uaát ñieänñoäng co" taàn)oá t< $eä &'"i

toác ñoä Cua

8#ác $#! eá

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Hồ Viết Bình

#ác #! eá:.an%

 9haáu6nh

(aàu*ha"t

(aàu thu

ham &i cuûa toác ñoä ño *hu thuoäc&aøo hai eáu toá :-oá $ö'ng $oZ t#en ñ4a .-9hong )oá ñaàu Cuang &aø mach

?aûm bieán ño 6ch thö'"c chi

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Hồ Viết Bình

?aûm bieán ño 6ch thö'"c chitieát

ATU BIEÁN MH NESN6ÑIERN8IEÁP S3

ATU BIEÁN ÑIERN ATU3 UOR8 xOÁ UAÏH ÑIERN ÖSNG

DÏNG ATU BIEÁN ÑIERNATU

ATU BIEÁN MH NESN6ÑIERN

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Hồ Viết Bình

s

1

*

Uaøn% $aøn

h#à

(aàuño

Lhehe*

aät caànño

s

1

Ñ#à th„ :.an he!p 6 s

ATU BIEÁN MH NESN ÑIERN8IEÁP S

7

=.ï

N%.+e4n 0+" h#aït

$#!n% &

ATU BIEÁN MH NESN6ÑIERN

8IEÁP S I xAI

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Hồ Viết Bình

Lhong 6h $oc )ach ñi

Cua hai tieát %ieän caûn5127

Nha"nh *haûi co" ñaàu*hun 5\7 giöS cho a"*

)uaát 6hong ño!i .Nha"nh t#a"i co" ñaàuño 5/7 bieán ño!i a"*)uaát %o )ö tha ñoài

6ch thö'"c cuûa chitieát .

Lhi 6ch thö'"c chi tieáttha ño!i $aøm tha ño!i

ATU BIEÁN ÑIERN ATU

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Hồ Viết Bình

Nguyeân lyù:

Döïa 1aø# he!n tö)ïn%caû( ö"n% $e!n töø' h

tha+ $#* th2 L tha+ $#*

the# c#4n% thö"c sa.&

U

 

 

ATU BIEÁN ÑIERN ATUI xAI

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N%.+e4n 0+"

h#aït $#!n%Lhi cho chi tieátco" 6ch thö'"c ñi Cua ñaàu ño)eS t3nh tieán$en uoáng tuø

theo 6ch thö'"cchi tieát $aømtha ño!i 6he töø .

I xAI

UAÏH ÑO MH 8HÖÔS H…NH HOÏDƒNG ATU BIEÁN ÑIERN ATU

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Hồ Viết Bình

Mach thö"

UAÏH ÑO HIEq DAƒF DƒNGATU BIEÁN ÑIERN ATU

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Hồ Viết Bình

ATU BIEÁN xIE AU <0t>as#ncxens#>@

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Hồ Viết Bình

xens#>@aû( /eán se4. a4( %#à( ha /#! pha!n & pha"t

se4. a4( <.0t>as#nc e(tte>@' th. se4. a4(<.0t>as#nc >ece1e>@3 Ua"+ pha"t se4. a4( c#" taàns#á naK( t>#n% h#aûn% †V Hz 1aø ;Hz t.ø+ the#ch.ûn% 0#aï sens#>s { s#"n% phaûn h#à c#" /ö)"cs#"n% t>#n% h#aûn% ; Hz $eán ; Hz t.ø+ the# (ö"c$#! phaûn ?aï c.ûa $#á tö)ïn%

ÖSNG DÏNG ATU BIEÁNxIE AU

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Hồ Viết Bình

6 Me*( t>a (ö"c chaát0#ûn% h#aQc chaát >a,nt>#n% ca"c /#àn3

6 Me*( t>a 1eát nö"t ca"c(#á n#á /aKn% haøn'e*( t>a ca"c 1eát nö"t

teá 136 8he# =#õ 1aø pha"t he!n0# t>#n% :.a" t>2nh saûn?.aát 1aû 1aø %aá+ <$aQc/e!t 0aø nhöõn% ch#

n#á@36 aû( /eán se4. a4(c#øn söû =.ïn% t>#n%nheà. 0^nh 1öïc ha"c nhö+ h#ïc' h#"a h#ïc' cheá taï#theát /„ c#4n% n%he!p-

He! th#án% (aõ 1aïch

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Hồ Viết Bình

 9#ong ca"c heä thoáng )aûn uaáttö ñoäng ngö'øi ta co" the! nhaän%ang ca"c chi tieát ñoäng cuSng

nhö t#ong ca"c heä thoáng *han$oai &aø 6ie!m ñ3nh haøng ho"angaø na thö'øng )öû %ung heäthoáng maS &ach 5Ba# ?o%e7.

a"c thaønh phaàn ch7nh c.ûa he!th#án% (aõ 1aïch

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Hồ Viết Bình

th#án% (aõ 1aïch

- MaS &ach ñö'c in t#en )aûn *ha!m.- Ma" Cue"t maS &ach ha bu"t Cuang

%uøng ñe! chue!n thong tin töø maS

&ach )ang tn hieäu a"nh )a"ng.- Boä giaûi maS chue!n tn hieäu a"nh

)a"ng )ang tn hieäu ñieän &aø bien%3ch thaønh maS [?``.

- Boä giao %ieän chue!n maS [?`` &eàma" tnh ? ñe! öû $" tieá*.

a"c 0#aï (aõ 1aïch 

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Hồ Viết Bình

Hình 2.&+ ac 1%ai maj vach

a"c 0#aï (aõ 1aïch 

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Hình 2.&0

Hình 2.&