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    n Tt nghip GVHD:Ts.Phm Vn Hng

    ti:

    Thit k m hnh my tin iu khin bng my tnh.

    Nhim v:

    Thit k v ch to phn c kh

    th!ng "#n h$%ng &"'ng cho "(o tin) *+ ",ng t-,c vt m bi.

    /0 kh1 n2ng "#n h$%ng "(o tho 3 t-,c 4 v 5

    /,m bn "(o6 bn my

    78ng c "#n 8ng t-,c chnh9 78ng c m8t chiu :;p

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Li ni u

    Kgy n(y cu8c cch mng kho( hFc kL thuMt t-Nn th gi%i (ng pht t-in v%i t!c8 nh$ vO bPo6 khng ngQng v$n t%i nhRng Snh c(o m%i6 t-ong 0 c0 nhRngthnh tu v t 8ng h0( *1n AuDt.

    UhVng Wnh v(i t-X

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Kguydn N _inh e /T@j e U

    PHN 1

    GII THIU V !"# IU $HI%N &' (N()

    (H*+NG 1

    T,NG -U.N V IU $HI%N &')

    I) (/0 h/i nim 02 34n v 5nh n6h78

    1) (/0 h/i nim 02 34n

    iu khin

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    $`ng "Wch chuyn &hnh thnh $`ng *inh v $`ng chun c=( b mt hnh hFc

    mu!n to -( )

    Thng tin cng ngh

    h th!ng thng tin cho php my thc hin gi( cng v%i nhRng gi t-W

    cng ngh yNu cu9 chun ho cc g!c to 86 Ac Wnh chiu *Cu c;t6 t!c 8 chy

    "(o6 *! vXng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    _ c b1n c1 my cng c, vn n2ng v my cng c, iu khin *! u c0

    cc mo"u: v kt cDu khung gi!ng nh(u 6 0 : 9

    q 7 my

    q ThCn my

    q >n t-$Yt

    q 7u t-,c chnh

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    f

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Kh$ng v chi tit h(y c, th hn th my cng cu iu khin *! v my cng

    c, vn n2ng c0 nhiu im khc nh(u 9

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    !/@

    Ni un6 ; ;/nh

    !/@ 0An6 0 vBn nCn6!/@ 0An6 0 iu

    hiDn ;E

    Kgu?n 8ng :c 78ng c l ph( thng

    th$`ng

    e 78ng c J chiu iu

    khin v cDp

    e 78ng c r/ s Ao(y

    chiu bin t!c v cDp

    e 78ng c b$%c &*tp s

    moto-)

    e 78ng c b$%c q 8ng

    c thu :cT!c 8 t-uyn "#n EhCn cDp _ cDpT-uyn 8ng iNn h n!i tip &thng

    in ]i t-uyn "#n e Th(nh -2ng bnh -2ng

    th$`ng

    e _itm (i !c th$`ng

    e Th(nh -2ng bnh -2ng

    yNu cu c0 c cDu kp

    kh+ kh h^

    e _itm (i !c7iu khin /c cng t;c v t(y gt

    c kh &iu khin t(y)

    7iu khin *!6 b1ng iu

    khin q mn hnh hin

    thWTnh in hnh c=( Ach

    8ng

    e wi6 thng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    "u i# c $%n c&' #y cng c iu khin s

    o v%i @// iu khin t(y6 kt

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    K2m J6 my K/ ^ th`i k ny $Yc Zng ",ng ch= yu t-ong cng nghip

    hng khng. >^i kch th$%c cXn :%n6 nhy c1m v%i mi t-$`ng v ;t "o t-nh 8

    k\ thuMt $ng th`i c=( b0ng n in t+ v - : &c in thu)

    (u n2m J6 : my K/ c=( nn cng nghip in t+ it v t-(nito6

    nh$ng ( *! cc :inh kin v#n Xi hIi c0 th tch chim ch = :%n6 cXn -Dt nhiu

    m!i hn v gi(o "in ghp n!i6 vQ( t!n km chi ph ch to vQ( hn ch 8 tin cMy

    t-ong vMn hnh iu khin. Thng tin iu khin ghi t-Nn b2ng ,c :6 "ung :$Yng

    thDp6 ph1i Fc thng tin tho tQng b$%c6 khi gi( cng nhiu chi tit gi!ng nh(u v#n

    ph1i Fc b2ng ,c : cho tQng :n gi( cng. Uhi th(y ]i ch$ng t-nh u khin

    chVng hn mu!n th(y ]i ch 8 c;t cho ph' hYp hn 6 Xi hIi ph1i c1i bin h(y

    :m :i b2ng ,c :.

    T-ong nhRng n2m j6 : th`i k c=( my iu khin *! Zng ",ng k\ thuMt vi

    in t+ v vi mch tch hYp. KhRng h K/ *+ ",ng cc b1n mch :ogic n!i cZng

    $Yc th(y th b^i cc h iu khin c0 b8 nh% v%i "ung :$Yng :%n. wo n!i ghp cc

    c,m vi tnh vo h iu khin *! m nhRng phn cZng c0 nhim v, chuyNn ",ng

    t-$%c Cy $Yc th(y th b^i cc phn mm :inh hot hn. wung :$Yng nh% ngycng $Yc m^ -8ng6 to iu kin :$u t-R t-ong h iu khin *! t-$%c ht : tQng

    ch$ng t-nh n :x6 *(u 0 : c1 m8t th$ vin ch$ng t-nh6 :i c0 th *+( ]i

    ch$ng t-nh P :Mp m8t cch "d "ng thng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    /c h th!ng /K/ $Yc ch to hng :ot :%n tho cng thZc A+ :B ( chZc n2ng6

    "'ng cho nhiu m,c ch iu khin khc nh(u.

    _Mt m(ng tin tQ tQ b2ng ,c :6 b2ng tQ 6 L( tQ tin t%i L( comp(ct &/w) c0

    "ung :$Yng nh% ngy cng m^ -8ng 6 8 tin cMy v tu]i thF c(o.

    _ic ci t cc comput- t-c tip vo h K/ t-^ thnh h /K/ P to

    iu kin Zng ",ng my cng c, /K/ ng(y c1 t-ong A nghip nhI6 khng c0

    phXng :Mp t-nh -iNng. KghL( : ng$`i iu khin my c0 th :Mp t-nh $Yc t-c tip

    t-Nn my. wR :iu np vo6 n8i "ung :$u t-R6 thng bo v tnh t-ng hot 8ng c=(

    my c'ng cc "R :iu chS "#n khc cho ng$`i iu khin u $Yc hin thW t-Nn

    mn hnh.

    @n hnh b(n u chS : n t-;ng v%i gi(o "in tAt6 n(y P "'ng mn hnh

    mu gi(o "in ? ho6 c0 8 phCn gi1i c(o &c0 thNm ton ? v hnh v m phIng

    tLnh hoc 8ng). >iNn "ng c=( chi tit gi( cng6 chuyn 8ng c=( "(o c, u $Yc

    hin thW.

    /c h /K/ -iNng :x c0 th ghp mng c,c b8 h(y mng m^ -8ng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e 7$Yc $( vo h iu khin *! thng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    thng bo v tnh t-ng *n *ng hot 8ng hoc t-ng thi "Qng ...cho h iu

    khin *!.

    W) N6u@n QX vYn hnh v Z[ QX thAn6 tn hiu t=n6 h iu hiDn ;E

    *+ Nguy,n -. /0n h1nh 9 4m * ? nguyNn :B vMn hnh c=( m8t my ph(y

    Zng iu khin *!

    HJnhJ.J KguyNn :B vMn hnh c=( m8t my iu khin *!

    *2 34 -. thng tin t!ong h iu khin s

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    JJ

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    J3

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    HJnh J.3 wXng :$u thng tin tn hiu t-ong h iu khin *!

    iu hiDn \0

    7iu khin Fc b(o

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    ^) Ph_n 3it h iu hiDn N( v (N(

    iu khin NC

    7c tnh c=( h iu khin ny : {ch$ng t-nh ho cc m!i :iNn h| t-ong 0mi m1ng :inh kin in t+ -iNng :x $Yc Ac Wnh m8t nhim v, nhDt Wnh 6 :iNn h

    giR( chang ph1i thng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    (H*+NG 9

    IU $HI%N H TH'NG IN V` IN Ta

    T-ong my cng c, /K/ c0 l nh0m thnh phn chnh9

    e @ch in t+ iu khin

    e @ch cng *uDt

    e /c thnh phn c kh &bn my6 $`ng t-$Yt6..)

    78ng c "'ng t-ong cc my cng c,9

    78ng c t-,c

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    78ng c c1m Zng Ao(y chiu

    l ph(

    78ng c b$%c

    I) T=u@n n6 t=0 bu8@

    1) Gi]i thiu v t=u@n n6 t=0 bu8@

    Nu cu khi iu khin t-,c

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    9) n6 02 mt 0hiu v Kh2n6 Kh/K iu hiDn Pc!

    ? iu khin ng c m8t chiu c0 1o chiu9

    HJnh 3.J) ? nguyNn :B mch cu

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    oi iu khin t-,c

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    78ng c c0 h(i t-ng thi

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    HJnh 3.l) 78ng c

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    HJnh 3. Eh$ng php iu ch 8 -8ng Aung

    II) T=u@n n6 0hB@ 8

    1) Gi]i thiu v t=u@n n6 0hB@ 8

    +*+* Cc 69ng t!uyn :ng ch9y 6'o

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    3

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    T-uyn 8ng chy "(o chuyn ]i cc :nh v $`ng "Wch chuyn c'ng thng

    *! t!c 8 t-Nn $`ng "Wch chuyn P Ac Wnh t-$%c t-ong ch$ng t-nh gi( cng

    thnh chuyn 8ng ph' hYp c=( bn my.

    /hy "(o t-Nn cc my cng c, /K/ c0 th :m vic tho 3 nguyNn t;c nh$

    iu khin vW t- & mch h^e "'ng 8ng c b$%c khng c0 ph1n h?i) hoc nh$ iu

    khin v iu chSnh vW t- & mch kn c0 vXng ph1n h?i c=( h(i h(y nhiu i

    :$Yng).

    ? nguyNn :B iu khin mch h^ v mch kn9

    HJnh 3.f 7iu khin vW t-

    HJnh 3. 7iu chSnh vW t-

    +*2* iu ch;nh /< t!= #9ch k=n

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    7iu khin8ng c b$%c

    78ng c b$%cu&t) &t)

    th!ng ovW t-

    Uhuch iiu chSnh

    Uhuch iiu chSnh

    78ng c

    @y o t!c8

    &t)u&t)

    3J

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    TQ b8 n8i *uy mi gi t-W cn : i :$Yng "#n $Yc cDp vo mch iu chSnh

    vW t-. T-ong b8 iu chSnh vW t-6 gi t-W vW t- thc $Yc nhMn bit b^i m8t h th!ng

    o vW t-. Ut 8 t-uyn 8ng c0 hng *! th`i gi(n nhI

    @mn * Nhi# / c&' t!uyn :ng ch9y 6'o

    /c h t-uyn 8ng chy "(o chuyn ]i cc :nh iu chSnh t-ong b8 iu

    khin thnh cc chuyn 8ng tWnh tin h(y chuyn 8ng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    t-uyn 8ng chy "(o ph1i th hin $Yc nhRng tnh chDt *(u9

    e 7Xi hIi m mn ]n Wnh6 th;ng $Yc :c m( *t v :c :m vic

    e $Yng gi( t2ng "Wch chuyn nhI nhDt Je3 m

    e Ehm vi iu chSnh *! vXng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    v9 c c1n bn chy "(o &:c th;ng :c m( *t c=( bn my v :c

    chy "(o khi c;t.

    h9 >$%c vitm

    9 iu *uDt tc ",ng vitmebi th$`ng :Dy bng 6e6f.

    T-ong phm vi c=( ? n *+ ",ng 8ng c t-uyn 8ng chy "(o : :oi 8ng

    c b$%c nNn ? n tMp t-ung ch= yu vo 8ng c ny.

    9) n6 02 3]0 v Kh2n6 Kh/K iu hiDn

    2*+* iBi thiu :ng c $Bc

    78ng c b$%c c0 th m t1 : :oi 8ng c in khng "'ng b8 chuynmch. /c mDu c=( 8ng c : *t(to-6 v -oto- : n(m chCm vLnh c+u hoc t-ong

    8ng c bin tQ t-^ n0 : nhRng kh!i -2ng :m bng vMt :iu nh c0 tQ tnh. TDt c1

    cc mch 1o ph1i $Yc iu khin bNn ngoi b^i b8 iu khin6 v c bit6 cc

    8ng c v b8 iu khin $Yc thit k 8ng c c0 th giR nguyNn bDt k vW t-

    c! Wnh no cOng nh$ :

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    78ng c b$%c c0 th $Yc "'ng t-ong h th!ng iu khin vXng h^ n

    gi1n6 nhRng h th!ng ny 1m b1o cho h th!ng iu khin gi( t!c v%i t1i t-Fng

    tLnh6 nh$ng khi t1i t-Fng th(y ]i hoc iu khin ^ gi( t!c :%n6 ng$`i t( v#n "'ng

    h iu khin vXng kn v%i 8ng c b$%c. Ku m8t 8ng c b$%c t-ong h iu

    khin vXng m^

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    HJnh3.j 78ng c bin tQ t-^

    Thng th$`ng khi *+ ",ng 8ng c :oi ny th$`ng n!i u chung / :Nn ngu?n

    &q). 78ng c nh$ hnh v

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    HJnh 3. 78ng c n cc

    78ng c b$%c n cc6 c1 n(m chCm vLnh c+u v 8ng c hn hYp6 v%i f6

    hoc "Cy -( th$`ng $Yc

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    /ha B h(i n+( c=( m8t mDu khng b(o gi` $Yc kch c'ng m8t :ac. /1 h(i

    "Py nNu t-Nn *

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    m8t cch 8c :Mp. /c "Py iu khin cho mi b$%c n c=( :oi 8ng c ny $Yc

    nNu bNn "$%i6 "'ng q v e i "in cho cc cc c=( ngu?n p $Yc p vo mi

    u c=( 8ng c.

    6* :ng c nhiu Hh'

    HJnh3.J 78ng c f ph(

    @8t b8 phMn cc 8ng khng $Yc ph] bin nh$ nhRng :oi t-Nn 0 : 8ng

    c n(m chCm vLnh c+u m cc cu8n $Yc 8 iu khin cn cu cho mi m8t u -( c=( 8ng c6 nh$ng nhRng

    8ng c ny c0 th cung cDp mmn Ao;n :%n hn *o v%i cc :oi 8ng c b$%c

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    3

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    khc c'ng kch th$%c. @8t vi 8ng c f ph( c0 th A+ :B cDp c(o c0 $Yc b$%c

    .j3 8 &f b$%c mi vXng).

    2*>* I0t -. :ng hc :ng c $Bc

    8) T7nh h\0

    /ho m8t 8ng c

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    9g0c b$%c6 tnh bng -("i(n &*tp (ng:) g0c t-,c &*h(Gt (ng:)

    @mn Ao;n giR &ho:"ing to-

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    th;ng :c m( *t nghS t-ong h : gi t-W Snh mmn Ao;n c=( moto- m t1

    nh$ hnh v9

    HJnh 3.J3 @mn Ao;n cn thit th;ng :c m( *t

    HJnh 3.Jl @mn Ao;n hiu

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    G9 momnt Ao;n cn thit th;ng :c m( *t

    h9 momnt Ao;n giR

    _'ng cht : n0 gi%i hn 8 chnh Ac vW t- *(u c'ng. @8t v ",6 khi :c m(

    *t nghS : J3 gi t-W Snh momnt Ao;n6 m8t 8ng c b$%c mi b$%c * c0

    v'ng cht : . 7iu 0 c0 nghL( : cc b$%c hiu

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    thng th$`ng v%i nhRng $`ng cong hnh *in :B t$^ng c=( momnt Ao;n *o v%i vW

    t- v momnt Ao;n giR h6 gi t-W momnt Ao;n 8ng * : h&3.f). Ku 8ng c

    $Yc

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Eh$ng t-nh gi( t!c g0c tho Wnh :uMt Kton9

    T r

    t-ong 09T s momnt Ao;n p t-Nn -oto-

    9 momnt

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    _ vMy6 n0 c0 ph$ng t-nh chuyn 8ng c0 "ng9

    ( *in &3 G t)

    ( biNn 8 g0c c8ng h$^ng

    G tn *! c8ng h$^ng

    7Cy : m8t cch gi1i c0 th chDp nhMn $Yc !i v%i ph$ng t-nh vi phCn ^ t-Nn

    nu t( :Dy9

    b 3 G

    b3 k

    Hi1i -( tn *! c8ng h$^ng G : m8t hm c=( k (n" 6 t( c09

    G & k ).f 3

    T-ong thc nghim6 * "(o 8ng ny c0 th : nguyNn nhCn c=( nhRng bi ton

    8 n8i *uy c0 cc chZc n2ng 9

    Tm -( vW t- cc im t-ung gi(n cho php hnh thnh m8t biNn "ng cho

    t-$%c t-ong m8t "ung *(i Ac Wnh t-$%c.

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    l

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    /c biNn "ng c b1n t-ong k\ thuMt : nhRng on thVng v nhRng on

    cong. T$ng Zng v%i thc t6 cc b8 n8i *uy c=( iu khin *! th$`ng chS gi%i

    hn t-ong n8i *uy tuyn tnh v n8i *uy vXng.

    T!c 8 $( -( tF( 8 vW t- chung gi(n ph1i ph' hYp v%i t!c 8 chy "(o cho

    t-$%c.

    7i t%i m8t cch chnh Ac cc im kt thac ch$ng t-nh P $( -( t-$%c

    t-ong ch$ng t-nh.

    /c h th!ng /K/ hin i thc hin n8i *uy ^ h(i mZc9

    @8t phn mm n8i *uy Ac Wnh tF( 8 c=( cc im chung gi(n giR( im

    u v im cu!i c=( m8t on biNn "ng P $Yc $( -( t-$%c t-ong ch$ng

    t-nh &n8i *uy th).

    @8t mZc n8i *uy chnh Ac6 thc hin tip tho n8i *uy tuyn tnh giR( cc

    im chung gi(n ny.

    _%i h(i "ng n8i *uy thVng v n8i *uy vXng6 c0 th thc hin $Yc nhRng kh1 n2ng

    nh$ *(u9

    e K8i *uy thVng tho 3 t-ong n t-,c

    e K8i *uy thVng tho n t-ong n t-,c

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    n Tt nghip GVHD:Ts.Phm Vn Hng

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    n Tt nghip GVHD:Ts.Phm Vn Hng

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    n Tt nghip GVHD:Ts.Phm Vn Hng

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    t-ong 0 9

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    n Tt nghip GVHD:Ts.Phm Vn Hng

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    n Tt nghip GVHD:Ts.Phm Vn Hng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

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  • 7/26/2019 Thiet Ke May Tien Thay HUng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

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    *t : kh1 n2ng gi1m *0c thDp hn.

    _ic *1n AuDt my cng c, *+ ",ng vi phn cho "#n h$%ng ch!ng m( *t

    chuyn 8ng tWnh tin nh$ vXng tun hon kn c=( cc :oi bc cu6 ] t-,c tWnh tin

    v%i cc hXn bi v ] O(. @c "' cc thnh phn ] O( c0 t thu8c tnh gi1m t-Dnhn *o v%i "#n h$%ng m( *t6 "#n h$%ng chuyn 8ng tWnh tin v#n t-^ nNn -Dt ph]

    bin t-ong cc my cng c, "o t!c 8 Xn ng(ng nh(nh v c(o hn.

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    J

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nhf.. /hitit *!ng

    "#n m( *t :2n hnh t-,

    nh f.f. !ng "#n "ng t-,

    /hu k ] bi

    t-$Yt v%i bi v ] O(

    ! :$Yng c=( my *+ ",ng ] O( cung cDp cho cc hot 8ng :2n nhiu

    hn : t-$Yt. /c ] O( $Yc tip Aac v%i "#n h$%ng $Yc gi( cng t-Nn cc phn

    ac c=( my. KhRng :oi ] ny -Dt hiu

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    ac. /c b mt ti im tip Aac v%i ] O( cn ph1i $Yc :m t2ng cZng v cn

    ph1i c0 b mt mWn.

    7 gi1m cc vDn khi gi( cng6 8 chnh Ac hnh hFc !i v%i my gi$`ng6 ccchDn *ong bng thp $Yc ti cZng v%i cc "ng "#n h$%ng c bit6 c0 th $Yc

    g;n cht v%i cc phn ac c=( my. /c kh!i c bit6 m8t cp $`ng -(y "#n

    h$%ng v ph( t-$%c6 v%i *

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    phn to -( kh1 n2ng c=( my t!t hn. ng ",ng c=( chang bW gi%i hn ph, thu8c

    vo gi thnh c(o v kh0 :;p -p.

    7!i v%i "#n h$%ng kh nn6 b mt t-$Yt gCy -( t-Nn ming m c=( kh nnm n0 hon ton -iNng - !i v%i * t-$Yt v cc b mt "#n h$%ng. Hi%i hn chnh

    c=( cc kiu ny c=( "#n h$%ng chnh : 8 cZng thDp c=( chang6 m n0 $Yc gi%i

    hn phm vi *+ ",ng Wnh vW6 v ", nh$ my o t-,c &/@@).

    :( chFn cc kiu "#n h$%ng cho cc Zng ",ng thng th$`ng ph, thu8c c

    b1n vo cc yNu cu vo kh1 n2ng t1i6 mZc 8 gi1m chDn v t!c 8 v$Yt

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    c. @ phIng "#n h$%ng t-ong o:i"}o-k

    nh f.. nh "ng $`ng "#n h$%ng

    s) (

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nh f.. "ng mt c;t

    7$`ng "#n h$%ng con :2n

    nh f.. 7$`ng "#n h$%ng con :2n

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    J

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    ) !t ;E iDu ;En6 QCn 0o8 hn6 N&$

    e Uiu 9

    e Uiu 9

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    JJ

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e Uiu r 9

    e Uiu

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    JJJ

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e Uiu } 9

    e Uiu 9

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    JJ3

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e Uiu 9

    ) Tnh t/n ;En6 t=t)

    7 cho *!ng t-$Yt c0 tnh chWu mXn6 p *uDt t-ung bnh Etbt-Nn *!ng t-$Ytph1i nhI hn t-W *! cho php -at -( tQ thc nghim. Uhi Ac Wnh p *uDt :%n nhDt

    Em(Atc ",ng :Nn b mt *!ng t-$Yt t( khng th chS "'ng tLnh hFc $Yc6 v ngoi

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    JJl

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    ph$ng t-nh cCn bng tLnh hFc &cho vMt -;n t$ng !i ) *!ng t-$Yt cXn chWu bin

    "ng6 nNn t( ph1i vit thNm ph$ng t-nh bin "ng v bi ton t-^ v *iNu tLnh. Tuy

    nhiNn tnh Etbi khi chS "'ng cc ph$ng t-nh tLnh hFc cOng =.

    Eh$ng php tnh cht ch v ch;c ch;n $Yc nghiNn cZu :n u tiNn "o tin

    *L k\ thuMt w.K. N*Nt!p &K~@ J3) ph$ng php $Yc t-nh by "$%i Cy v

    n(g n(y P thnh tiNu chun m ngnh ch to my iNn 4 (ng "'ng &tiNu

    chun e3@//).

    )1) (/0 6i8i Bn tnh t/n ;En6 t=t)

    u t-nh tnh ton *!ng t-$Yt cn thng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nh f.J. c tc ",ng :Nn *!ng t-$Yt

    c) 4c Wnh :c ko c0 chiu nh$ *(u &hnh f.JJ)6 n0 * h$%ng "Fc tho

    thCn my v%i c cDu vit m (i !c.

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    JJf

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nh f.JJ. Eh$ng chiu :c ko ") Tm ph1n :c v cc :c m( *t G vit ph$ng t-nh cCn bng .

    )S) Tnh /K ;u

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    T-,c chnh my cng c, khng nhRng ph1i y = *Zc bn m cXn tu thu8c

    tho kt cDu6 n0 ph1i tho1 mPn cc yNu cu ch= yu "$%i Cy 9

    () 71m b1o 8 cZng vRng 9

    Ku t-,c chnh hoc t-,c n0i chung khng = 8 cZng vRng khi :m vic n0 *

    bW cong6 nhRng bnh -2ng :;p t-Nn n0 * khng 2n kh%p chnh Ac6 ting ?n

    nhiu 6 p *uDt c=( ] t-$Yt tMp t-ung ^ h(i u :m cho ] t-,c ch0ng mXn. Ku

    t-Nn t-,c c0 cc chi tit "i t-$Yt6 khi bW cong cc chi tit Dy kh0 t-$Yt.

    KhRng bin php t2ng 8 cZng vRng c=( t-,c chnh :9

    e T2ng $`ng knh t-,c v -at ng;n chiu "i t-,c.

    e w'ng nhRng g!i ph, An vo h(i ] t-,c6 :m ng;n kho1ng cch giR(

    h(i ] t-,c.

    e m cho t-,c chnh t-nh khIi tc ",ng c=( momn u!n nh$ cho t-,c

    chnh :?ng khng t-ong t-,c !ng c0 :;p pu:i.

    e /! g;ng :;p cng t cng t!t cc chi tit chuyn 8ng :Nn t-,c chnh.

    e ;p cc chi tit t-,c chnh ph1i gn cc g!i t-,c &nh$ :;p bnh -2ng :Nn

    t-,c chnh ^ gn ] t-,c t-$%c). b). 78 chWu mXn c(o9

    /c b mt mt chWu m( *t nh$ c] t-,c ^ ] t-,c6 cc b mt t-Nn 0 c0 cc chi

    tit "i t-$Yt nh$ kh!i bnh -2ng6 b8 :y hYp v.v ph1i 1m b1o 8 chWu mXn y =.

    Nu cu ny c bit

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    /huyn 8ng c=( t-,c chnh n1h t-c tip n chi tit gi( cng. Ku chuyn

    8ng c=( t-,c chnh khng chnh Ac6 8 chnh Ac kch th$%c v hnh "ng c=(

    chi tit gi( cng * bW *(i :ch. _ ", nh$ u t-$%c c=( my tin bW :ch tCm6

    mt gi( cng khng cXn : mt t-, m : mt cn. Ku nh$ t-,c chnh chy

    khng Nm6 bW -ung 8ng6 th b mt gi( cng * :i nhRng "Du c=( chDn 8ng6

    tu]i thF c=( "(o6 c=( my bW gi1m.

    KhRng yNu cu c=( t-,c chnh k t-Nn c0 th tho1 mPn bng vic :( chFn

    thch hYp cc vMt :iu6 cc ph$ng php nhit :uyn v kt cDu t-,c.

    9) VYt Qiu v nhit Qu@n 0o8 t=0 0hnh .

    Uhi tin hnh vic :( chFn vMt :iu v ph$ng php nhit :uyn c=( t-,c

    chnh cn c2n cZ vo iu kin :m vic c=( my6 vo kt cDu v hnh "ng c=( t-,c

    v c tnh c :B c=( vMt :iu.

    _Mt :iu "'ng :m t-,c chnh c=( my c;t kim :oi th$`ng : 9

    () H(ng Am 9

    e oi ny c0 Zng *uDt ko : k 3J.JjKm3v Zng *uDt u!n : u .Jj

    Km3. oi vMt :iu ny "'ng :m t-,c chnh cho cc my :%n nh$ my tinZng6 my tin bnh A :+(6 my "o( v.v 78 cZng c=( g(ng Am : >

    Jj3J

    b) H(ng c1i bin 9

    e oi ny c0 8 cZng > Jj3J. Kgoi nhRng c tnh c0 ^ g(ng

    Am -(6 g(ng c1i ci bin cXn c0 nhRng tnh chDt *(u 9

    e Tnh chWu mXn c(o. Tnh gi1m chDn 8ng :%n.e 78 bn v gi%i hn n0ng ch1y :%n.

    e wd ac v "d tinh ch. t bW 1nh h$^ng c=( * th(y ]i t-Nn kt cDu t-,c.

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    JJ

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e Khit :uyn $Yc t!t hn. _%i cch ti bnh th$`ng6 g(ng c1i bin c0 th

    t 8 cZng / lff.

    w'ng g(ng ac ch to t-,c chnh th :$Yng "$ cn thit t hn *o v%i t-,c-n. _ th thit k cn cha B Am c0 th "'ng g(ng :m t-,c chnh $Yc

    khng nhDt : !i v%i t-,c c0 kch th$%c :%n.

    c) 7!i v%i nhRng t-,c chnh

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    t-ung bnh6 nng v vo nhRng yNu cu c bit !i v%i t-,c &8 cZng6 8 mi

    mXn). Kh$ t-,c chnh c=( my tin -Nvnv6 my ph(y

    S) iu in w thuYt 0o8 t=0 0hnh)

    7iu kin k\ thuMt !i v%i t-,c chnh b(o g?m 9

    () (i *! cho php v hnh "ng6 v kch th$%c t-Nn tDt c1 nhRng on ch=

    yu c=( t-,c nh$ 8 v(n6 8 cn6 8 :ch tCm6 thVng g0c 6 "ung *(i

    :;p ghp

    b) 78 nhn v 8 cZng b mt c=( nhRng c] t-,c h(y nhRng ch bW mXn

    khc.

    c) 78 khng cCn bng cho php c=( t-,c. 7!i v%i t-,c chnh :m vic v%i *!

    vXng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    v kt cDu t-,c chnh n gi1n th vic gi( cng kim t-( cOng n gi1n6 gi1m

    $Yc vMt :iu v t bW ph phm t-ong

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    8ng c kh c=( s T-Wnh /hDte N _2n yn) e !i v%i (i th(ng. /c :c -ny u

    : :c h$%ng knh6 c0 im t nm t-Nn $`ng tCm t-,c6 ti im giR( chiu -8ng

    bnh (i v c0 chiu h$%ng tQ tCm bnh (i :;p t-Nn t-,c n bnh (i ki(.

    T-$`ng hYp $`ng n!i tCm ny to v%i t-,c y m8t g0c Fhnh f.J3 th phCn

    -thnh 3 thnh phn thVng g0c v%i nh(u. T-ong h to 8 Ay t( c0 9

    yki -kico* &eJ)

    Aki -ki*in &e3)

    nh f.J3. c tQ b8 t-uyn (i tc ",ng :Nn t-,c

    Uhi *+ ",ng n!i t-,c "i 8ng &b') "o t?n ti * khng ?ng tCm c=( cc t-,c $Yc

    n!i6 t1i t-Fng ph, * AuDt hin. c h$%ng tCm -ny c0 th :Dy gn bng -

    &.3.l)t6 v%i t: :c vXng t-Nn kh%p n!i6 Ac Wnh tho cng thZc t 3Twt6

    t-ong 0 wts $ng knh vXng t-Xn

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    :m t2ng Zng *uDt v bin "ng "o :c vXng t-Nn chi tit

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Zng *uDt "o :c ko v :c nn to nNn -Dt nhI *o v%i h(i :oi Zng *uDt t-Nn nNn

    thng th$`ng ng$`i t( khng tnh n.

    ^)^) Tnh thM 0On6 v?n6 :

    Tnh tho 8 cZng vRng : Ac Wnh bin "ng u!n i khi v bin "ng Ao;n

    c=( t-,c c=( t-,c chnh.

    78 cZng vRng c=( t-,c chnh 1nh h$^ng -Dt :%n !i v%i 8 chnh Ac v 8

    nhn b mt gi( cng. 78 cZng vRng c=( t-,c chnh ph, thu8c vo kt cDu c=( t-,c

    chnh6 cch :;p ] t-,c vo cc k h^ giR( t-,c v ] t-,c6 nh$ng c2n b1n : ph, thu8c

    vo kt cDu6 vMt :iu c=( b1n thCn t-,c chnh.

    () /c * ? tnh tonb) 4c Wnh 8 vng g0c Ao(y

    ^)s) Tnh 0h5u 0h

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    ^)) $iDm n6him =nh thMn v thMn h8

    Kgoi nhRng "ng tnh ton c b1n t-Nn6 nhRng phn c0 -Pnh thn hoc thn ho(

    c=( t-,c chnh6 cn $Yc kim t-( :i p *uDt mt bNn c=( -Pnh thn hoc thn ho(.

    ^)) Tnh t=0 0hnh 0o8 mA hJnh m/@ tin thit )

    /hFn vMt :iu ch to t-,c : thp f c0 b @E(6 Zng *uDt cho php

    J3 3 @p(.

    4c Wnh * b8 $`ng knh t-,c 9 tho &.l)6 $`ng knh t-,c 9

    " l 36puT

    v%i 9 Ec J 6 n l vgph6 T 6ff.J. JJ

    n

    C

    lJl Kmm

    "o 0 " J3 mm

    ^ Cy :;p bnh (i :Nn u vo c=( t-,c6 "o 0 khng cn

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    T( tnh $Yc yJ3 3lf K t J3 K

    :yJ 3lJ K :AJ 3fK

    :yJJ Jj K :AJJ 3fK

    Uim nghim t-,c v 8 bn mIi

    A `` aa 33 +

    T-ong 0 h *! (n ton cho php 36f ^ Cy khng cn kim

    nghim 8 cZng c=( t-,c.

    _ t-,c

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    #`'b6`

    +J

    g6g.3g63

    h63hJ 36

    #`'b6`

    +J

    f.pf6pf.h6J

    j6JfJ

    + Jf6

    A `` aa 33 + 36.Jf6 33 6Jfg63 + 36l 36f

    7iu kin bn mIi thI( mPn

    (H*+NG

    TyNH T"N THIxT $x (HN , LN)

    t-,c "'ng g!i t-,c6 giR cho t-,c c0 vW t- chnh Ac t-ong khng gi(n6tip nhMn t1i t-Fng v t-uyn t%i b my. T'y tho "ng m( *t t-ong ]6 ng$`i t(

    phCn -( ] t-$Yt v ] :2n. /hang khc nh(u v cDu to6 :;p ghp6 phm vi *+ ",ng v

    ph$ng php tnh ton thit k ].

    Kh` c0 $u im nh$ mmn m( *t v mmn m^ my nhI6 t bW n0ng khi

    :m vic6 ch2m *0c6 bi t-n n gi1n6 thuMn tin *+( chR(6 th(y th v.vnNn ] :2n

    $Yc "'ng ngy cng -8ng -Pi.Uhi thit k my6 c cDu hoc b8 phMn my6 khng thit k ] :2n m chFn ]

    :2n tiNu chun "'ng6 "( tho h(i chS tiNu c b1n 9 kh1 n2ng t1i 8ng / v kh1

    n2ng t1i tLnh /.

    @u!n chFn ] :2n cn ph1i bit 9

    e T-W *!6 chiu v c tnh tc ",ng c=( t1i t-Fng

    e Tn *!

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e /c yNu cu c, th :iNn

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    bi m8t "Py chWu $Yc :c h$%ng tCm6 ?ng th`i chWu :c "Fc t-,c khng

    :%n6 cho php vXng ] nghiNng "$%i J 86 :m vic v%i *! vXng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    bi e chn c0 th tip nhMn ?ng th`i :c h$%ng tCm v :c "Fc t-,c m8t

    ph(6 khi b! t- h(i ] !i nh(u c0 thx hn ch "i 8ng "Fc t-,c v c1 h(i ph(. o v%i

    ] bi e chn6 ] O( cn chWu $Yc t1i t-Fng :%n hn6 8 cZng c(o hn6 thuMn tin

    hn khi tho :;p6 gi thnh :i h hn nh$ng kh1 n2ng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nhMn :c "Fc t-,c v kh1 n2ng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Uhi chFn :oi ] :2n P cMp n gi( thnh ]6 vDn :iNn

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    S)1) (h\n thM h4 nCn6 t4i n6)

    /hFn kch th$%c ] tho kh1 n2ng t1i 8ng /"$Yc tin hnh !i v%i cc

    ] c0 *! vXng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    _-ktk &jef)

    T-ong 0 9

    -6 (s t1i t-Fng h$%ng tCm v t1i t-Fng "Fc t-,c6 kK

    _ s h *! k n vXng no

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    T-ong 0 9 /s kh1 n2ng t1i tLnh cho t-ong cc b1ng tiNu chun c=( ] :2n6 ph,

    thu8c vo :oi ] v c ]6 kK ts t1i t-Fng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    "mn s thng *! vMn t!c

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    chiu c=( :c ny :m t2ng ph1n :c t-Nn cc ]. -ng :6 ng$Yc v%i

    khi At chiu c=( - tnh t-,c6 ^ Cy nNn chFn -c'ng chiu v%i :c

    vXng "o cc chi tit

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nh j.J. bi :2n thit k bng *o:i"o-k*

    ^) ) (h\n QCn 0h mA hJnh m/@ thit /c *! :iu nh$ *(u 9 " 3mm n 3vg ph th`i hn *+ ",ng h 3h.

    Eh1n :c ti cc ] 9 E:t3 JJK6 :t3J f K :c "Fc t-,c ( K

    _ t1i t-Fng "Fc t-,c ( t$ng !i nhI (- f 6 6l "o

    0 chFn ] bi m8t "Py c t-ung lJ36 c0 / 6J kK6 /o 6 kK

    &E3.je TTTUw7/U).

    Tnh kim nghim kh1 n2ng t1i c=( ] 9 tin hnh cho ] v ] ny chWu t1i

    :%n hn.

    e TS *! ( / 6J3. Tho b1ng JJ.6 63 _ vXng

    t-ong

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e + ",ng ] bi m8t "Py6 c t-ung t( Ac Wnh Ac *uDt :m vic khng

    hIng thc t. Tho cng thZc /" .# 5M 6 tu]i thF thc t c=( ]

    t &6JJl6Jl)

    l

    JJ t-iu vXng6 tho cng thZc &6f4_-q ()ktk6 htJJ.J&.3) jh. Tho J&/)m6 J :&/)l t

    JJ 6f36 "o 0 Ac *uDt :m vic khng hIng thc t &t) 6 th(y

    cho 6.

    PHN S

    LP "P H TH'NG (+ $Hy(H*+NG VIII

    LP "P H TH'NG (+ $Hy

    1) $H"I NI! V (NG NGH LP "P

    u t-nh *1n AuDt6 ch to g?m nhiu

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    1n phm e *1n AuDt e *+ ",ng e * -( `i c=( *1n phm m%~ P $Yc c1i tin.

    @8t

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    thZc khc nh(u. _ic ghp n!~ cXn $Yc thc hin bng nguyNn cng b] Aung cn

    thit nh$9 iu chSnh6 hiN, chSnh6 kim t-( 70 : :;p -p b] Aung bNn cnh :;p -p

    c b1n. Th$`ng th`i gi(n :;p -p b] Aung nhI hn th`i gi(n :;p -(p chung6 nh$ng

    cOng c0 t-$`ng hYp th`i gi(n ny chim t%~ 3l th`i gi(n :;p -p chung.

    [ hnh t-Nn t-nh by cch *;p Ap v n8i "ung c=(

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Th$`ng t : v kh!i :$Yng cng vic giR( cc ph$ng php nh$ *(u 9

    >ng !c kho1ng _Xng hPm kho1ng JUp kho1ng J p kho1ng J/c ph$ng php c bit 3 Tn -ivN J

    Kg$Yc :i v%i

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Eh$ngphpAc*uDt

    w'ng :B thuyt Ac*uDt m^ -8ng "ung *(ic=( khCu thnh phnv chDp nhMn m8t t

    : ph phmT*T

    =

    #

    i

    TiCitJ

    3)&

    T* 9 "ung *(i t]ngtho Ac *uDt T 9 yu t! -=i -o/9 h *! phCn b!

    zu iim9e wd gi( cng"o m^ -8ng"ung *(i6 nCng

    c(o kh1 n2ng:;p :#n.Kh$Yc im 9e Eh1i chDpnhMn m8t t :ph phm

    /ho chui kchth$%c c0 nhiuthnh phn v%i"ung *(i khCu

    khp kn nhI*1n AuDt :ot:%n v hngkh!i& :ot f)

    Eh1i bit $`ngcong phCn b!c=( kch th$%cthMt c=( khCu

    thnh phn.e Eh1i cha B kh1n2ng :;p :#n chSc0 gi%i hne t ph, thu8cvo chi phe / ph, thu8cvo vic phCnb! kch th$%cthMt.

    Eh$ngphp:;pchFn

    @^ -8ng "ung *(i c=(cc khCu thnh phn "d ch to6 *(u 0chFn :;p tho nh0m 1m b1o yNu cum!i :;p.TJT3TiTnTt.n9 h *! m^ -8ng"ung *(i 9Tt9 "ung*(ikhCu thnhphnkhich$( m^ -8ng

    zu im9ewd gi( cng v"ung *(i m^-8ngechi ph cho ov phCn nh0m:%ne_ic b1o

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Eh$ngphp :;piu chSnh

    TDt c1 cc khCu thnhphn $Yc nhMn "ung*(i ph' hYp &kinh t6k\thuMt) "o vMy t-$`ng

    "ung *(i t2ng :Nn6 phnt2ng :Nn 0 $Yc kh;cph,c bng khCu iuchSnh.

    T* ToTi#

    i

    >=J

    Eh1i Ac WnhkhCu iu chSnh&khCu b?i th$`ng )Tk. *! iu chSnh9

    nk

    TkTo

    TkTi#

    i

    =J

    zu im9eHi( cng "dewd :;p -p viu chSnh

    Kh$Yc im9eThNm cc chitit iu chSnh

    e/ho "Cy chuyn*1n AuDt hngkh!i v%i nhiukhCu thnh phn

    e/ho tDt c1 cc:ot *1n phm

    eUhCu b?i th$`ngkhng $Yc 1nhh$^ng n ccchui kch th$%c

    khceUhCu b?i th$`ngkhng th(y ]i6: thnh phncu!i c'ng c=(chui kch th$%c

    Eh$ngphp :;p*+(

    Th(y ]i kch th$%cbng co *+(. T* ..UhCu b?i th$`ng chnh: :$Yng kch th$%c

    th(y ]i thng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    u( phCn tch ng$`i t( thDy -ng kt cDu c=( *1n phm h(y chi tit 1nh

    h$^ng n jf chi ph :;p -p. 7iu 0 cho thDy B nghL(

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    /c chi tit c0 th tin hnh :;p t 8ng. /c vW t- "Qng :i h(y chuyn 8ng

    = cZng vRng6 t-nh "'ng nhRng chi tit km cZng vRng "d bin "ng.

    S) Th/

    wo * pht t-in c=( *1n AuDt v * kh(n him "n ngu?n ti nguyNn thiNn

    nhiNn6 * nhidm c=( mi t-$`ng *!ng6 con ng$`i ph1i nghL t%i vic ti *+ ",ng

    cc *1n phm P *+ ",ng t-ong m8t mZc 8 cho php.

    _%i khi nim tho " c0 th hiu : ng$Yc v%i

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    _%i cc *1n phm P $Yc *+ ",ng JJf n2m &thMm ch P l n2m) th

    vic to " v ti *inh khng m(ng tnh hiu

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e Kgoi -( cXn c0 m8t *! m!i ghp bng hn &m!i ghp c,m t-,c chnh).e @!i ghp bng hn : m!i ghp khng tho $Yc6 Zng ",ng -Dt ( "ng.

    ;p -p h th!ng c kh c=( my tin thit k ch= yu : :;p -p bng t(y. 78 chnhAc :;p -p khi h th!ng c kh bng t(y khng c(o.

    W)1) LK =/K mt ;E 0hi tit 02 h 0o8 h thEn6W)1) Th/ QK QCn)

    7 cho ] :2n hot 8ng v t $Yc tu]i thF

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    7!i v%i ] :2n c :%n6 :;p "d "ng th$`ng *+ ",ng ph$ng php nung n0ng

    :Nn n nhit 8 tQ jn /. Tuy nhiNn6 tuyt !i khng $Yc nung n0ng :Nn

    n nhit 8 JJ/ v khng nung n0ng "$%i ngFn :+( t-c tip. Eh$ng php gi(

    nhit c1m Zng : ph$ng php gi( nhit ] *ch *6 (n ton nh(nh ch0ng. /Ong c0

    th "'ng ph$ng php gi( nhit khc : ph$ng php un n0ng t-ong b "u.

    T-$`ng hYp ny cn *+ ",ng "u nh`n c0 im b!c chy :%n hn q3f/ v "u

    ph1i *ch.

    Uhi tho ] :2n -( khIi t-,c6 cOng c0 th "'ng ph$ng php p. T-ong cc

    t-$`ng hYp khc6 c0 th "'ng m8t ",ng c, c bit. Uhi tho ] khIi t-,c cn tc

    8ng :c vo vXng t-ong6 khi tho ] khIi vI cn tc 8ng :c vo vXng ngoi. _

    vMy6 chiu c(o c=( v(i g` khng nNn :%n

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    w$%i Cy t-nh by n!i t-,c cht $Yc p ",ng n!i t-,c 8ng c v%i t-,c

    vitm.

    W)9)1) NEi t=0 0hrt

    7c im c=( n!i t-,c cht : "'ng n!i cZng cc u t-,c c0 $`ng tCm

    t-Nn c'ng m8t $`ng thVng v khng "i chuyn t$ng !i !i v%i nh(u. K!i t-,c

    cht c0 cDu to n gi1n nh$ng Xi hIi ch to6 :;p ghp chnh Ac.

    K!i t-,c !ng.

    /Du to b^i m8t !ng bng thp hoc g(ng &hnh .J)6 :?ng vo on cu!i c=(

    h(i t-,c v ghp v%i t-,c bng ch!t6 thn hoc thn ho(.

    K!i t-,c !ng chS "'ng n!i cc t-,c c0 $`ng knh nhI &khng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    ng *uDt Ao;n c=( !ng v Zng *uDt c;t c=( ch!t ph1i thI( mPn cc iu kin

    *(u 9

    )&36p

    ..

    gg 3t 6R

    RTk

    =

    &eJ)

    .

    .g3 c

    c

    c66

    Tk

    = &e3)

    T-ong 0 4 &6l6)ch c 63f )ch .

    ^) $iDm t=8 v 34 n6 m/@

    Uim t-(

    e Uim t-( 8 t-Xn6 8 thVng6 8 *ong *ong c=( 3 "#n h$%ng v t-,c vitm6 t-,cchnh.

    e Uim t-( 8 1o c=( t-,c chnh v cc t-,c.

    e Uim t-( 8 bn 8 cRng vRng c=( cc t-,c.

    e Uim t-( 8 bn 8 cZng vRng c=( thCn my6 bn my6 bn "(o.

    e Uim t-( nh gi 8 chnh Ac gi( cng.

    >1o "$ng my

    e _ *inh *ch * my.

    e n ch!ng gS cc b mt.

    e T-( "u m vo cc t-,c v ] :2n.

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    JfJ

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    (H*+NG

    H TH'NG GI. (NG (+ $Hy TkN !"# TIN (N(

    1) Tin

    Tin : ph$ng php gi( cng c;t gFt $Yc thc hin nh` chuyn 8ng chnh

    thng th$`ng "o phi

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    2*+ h% n]ng t9o hnh*

    Tin c0 th gi( cng $Yc nhiu b mt khc nh(u nh$ cc mt t-Xn Ao(y t-ong v

    ngoi6 cc :oi -n6 cc b mt cn6 cc mt Wnh hnh v.v

    2*2 h% n]ng 9t : ch=nh Lc gi' cng khi tin*

    78 chnh Ac c=( nguyNn cng tin ph, thu8c ch= yu vo cc yu t! *(u

    Cy9 e 78

    chnh Ac c=( my b(o g?m9 8 1o t-,c chnh6 8 *ong *ong c=( *!ng t-$Yt v%i

    $`ng tCm t-,c chnh6 8 ?ng tCm , 8ng v tCm t-,c chnh6 v.v

    e Tnh t-ng "(o c,

    e T-nh 8 t(y ngh c=( cng nhCn.

    Uhi gi( cng t-Nn my tin /K/ chDt :$Yng nguyNn cng t ph, thu8c vo k\

    n2ng v k\ A1o c=( ng$`i thY *o v%i khi gi( cng t-Nn my vn n2ng.

    wng b mt gi(cng

    78 chnh Ackch th$%c&T/_K)

    /hiu c(o nhDp nh & # )

    (

    e Tin ngoi9 thbn tinhtinh

    tin mIng e Uho(n9 e Uhot9 th bn tinh

    tinh e wo(9 th tinh

    JleJ3 JJe ej je J3eJJ

    J3eJJ JJ

    ee

    je

    e3 e e e3

    3

    ee

    e

    e3 e e e3

    3 e

    e

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    Jfl

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    mIng e Tin t-ong9 th bn tinh tinh mIng e 4n mt u9 th tinh mIng

    JleJ3 JJeJ ej

    J3 JJ ej

    e

    e e3 e e

    3 e

    e e

    e e3 e e

    3 e

    78 chnh Ac v vW t- t$ng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Uhi th(y ]i ch 8 c;t th :c c;t c6 :c c;t n vW Ucv cng *uDt c;t EccOng

    th(y ]i &b1ng).

    Ut

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    _ ", khi tin tinh cc kim :oi n chFn * 6J 63 mm vg t 6f

    6l mm v J3 Jl mphat6 v%i kim :oi mu v J mphat.

    Uhi tin mIng c0 th t 8 chnh Ac cDp f6 J6 m.

    @u!n t 8 chnh Ac c(o c0 th c;t bng h(i :n chuyn "(o t-Nn c'ng m8t :n g

    t v%i J "(o hoc c;t bng m8t :n chuyn "(o nu "'ng 3 "(o g *o : * nCng

    c(o n2ng *uDt m v#n 1m b1o chDt :$Yng v%i :$Yng "$ 9

    5bJ3l 5b 5b3 5b

    T-ong 0 5b 6l 6 mm.

    Uhi tin tinh mIng cOng nh$ khi gi( cng th cn "'ng "ung "Wch t-n ngu8i

    gi1m nhit 8 v'ng c;t6 gi1m m( *t6 gi1m mi mXn c=( ",ng c,6 "o 0 nCng

    c(o n2ng *uDt v 8 chnh Ac gi( cng. Thnh phn c=( "ung "Wch t-n ngu8i6 ch

    8 cng ngh v ph$ng php t$%i "ung "Wch t-n ngu8i ph, thu8c vo thnh phn

    vMt :iu gi( cng v vMt :iu :m "(o.

    W) (/0 3in Kh/K 0An6 n6h hi tin)

    .J. /c ph$ng php g t khi tin

    /hFn chun v ph$ng php g hYp :B chng nhRng gh0p phn 1m b1o yNucu k\ thuMt c=( chi tit gi( cng m cXn giap cho vic thit k ? g n gi1n6 "d

    th(o tc6 c0 th gi( cng nhiu b mt c'ng m8t :ac :m gi1m th`i gi(n gi( cng c

    b1n T6 gi1m th`i gi(n ph, Tphv th`i gi(n chun bW kt thac Tcbktgh0p phn nCng

    c(o n2ng *uDt v h gi thnh.

    _ic chFn chun cng ngh khi tin ph, thu8c vo vW t- cn gi( cng &mt

    t-ong6 mt ngoi h(y mt u)6 hnh "ng kch th$%c chi tit v 8 chnh Ac yNucu.

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    Jf

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Uhi gi( cng mt ngoi th chun c0 th : mt ngoi6 mt ngoi kt hYp v%i

    mt u6 3 : tCm6 mt u kt hYp kt hYp v%i : tCm6 mt : &nu chi tit c0 : P

    gi( cng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nh .J(. /c ph$ng php g t khi tin

    .3. H t "(o khi tin

    Thng th$`ng ph1i g "(o *(o cho :$i c;t nm t-ong mt phVng nm ng(ng

    i

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nh .Jb ? g "(o khi tin

    7 1m b1o p-oGin -n chnh Ac khi tin -n ph1i g "(o *(o cho t-,c !i

    AZng c=( "(o vung g0c v%i $`ng tCm chi tit6 ?ng th`i mt t-$%c c=( "(o ph1i

    t-'ng v%i mt phVng nm ng(ng i

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Uhi tin th mt ngoi c0 th ct tho tQng :%p &hnh .3( )6 c;t tQng on

    &hnh .3b ) hoc c;t ph!i hYp &hnh .3c).

    /;t tQng :%p tho thZ t J6 36 l6 &hnh .3() :c c;t nhI6 bin "ng h th!ng

    nhI nNn 8 cZng vRng c(o6 c0 th t F chnh Ac c(o nh$ng n2ng *uDt thDp v

    t]ng on $`ng "i chuyn "(o :%n.

    Uhi c;t tho tQng on &hnh .3b)6 t-Nn mi on khng th c;t m8t :n m

    ph1i phCn chi( :m nhiu mt :n c;t6 :$Yng "$ :%n v khng u6 :c c;t :%n6 bin

    "ng h th!ng :%n nNn 8 cZng vRng thDp6 tuy nhiNn ph$ng php ny cho n2ng

    *uDt c(o.

    Eh$ng php c;t ph!i hYp &hnh .3c) kh;c ph,c $Yc nh$Yc im c=( h(i

    ph$ng php t-Nn.

    ^) en6 0 0t t=n mA hJnh m/@ tin iu hiDn 3n6 m/@ tnh

    T-ong cng ngh gi( cng c kh6 chang t( c0 th *+ ",ng nhiu ",ng c, c;t khc

    nh(u v hnh "ng6 v kt cDu. /0 :oi -Dt n gi1n &nh$ "(o n)6 c0 :oi -Dt phZc

    tp &nh$ "(o chu!t6 "(o :2n -2ng). /ho "' c0 nhiu ch=ng :oi khc nh(u nh$ng

    chang v#n c0 m8t nt chung :9 w(o n th Zng m8t mnh6 "(o phZc tp : "o

    nhiu :oi "(o n ghp :i t-ong m8t khng gi(n nhDt Wnh. wo vMy v mt hnh

    hFc6 chS cn kh1o *t tS mS v "(o n6 cXn "(o nhiu -2ng * $Yc *uy "idn tQ

    nhRng khi nim v Wnh nghL( t]ng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nh .l. ? cc kiu "(o tin thng ",ng

    e nh .l( 9 "(o tin n u thVng h(y cXn gFi : "(o chR nhCn6 "'ng tin ph

    mt ngoi.

    e nh .lb 9 w(o tin u cong6 "'ng tin ph tin mt u.e nh .lc 9 w(o tin c;t -Pnh hoc c;t Zt.

    e nh .l" 9 w(o tin : thng.

    e nh .l 9 w(o tin m0c : tWt.

    e nh .lg 9 w(o tin -n.

    e nh .lh 9 w(o tin Wnh hnh :2ng t-, v hnh L( "'ng gi( cng nhRng chi tit

    Wnh hnh6 "'ng t-ong *1n AuDt hng :ot hoc hng kh!i.

    f.J.3. Thng *! hnh hFc c=( "(o tin &"(o n)

    T-Nn chi tit (ng gi( cng c0 cc b mt

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nh .. /c b mt mt P gi( cng kB hiu cR

    > mt (ng gi( cng kB hiu chR /

    > mt ch$( gi( cng kB hiu chR

    KhRng b8 phMn chnh c=( "(o

    nh .f. /c yu t! kt cDu c=( "(o tin

    w(o tin6 cXn gFi : "(o n6 c0 hnh -Dt n gi1n. > mt c=( n0 gi!ng nh$

    m8t th(nh kim :oi $Yc to thnh cc :$i c;t. Tuy nhiNn6 n0 cOng $Yc chi(

    :m h(i phn chnh 9 phn thCn "(o v phn :m vic.

    Ehn thCn 9

    Th$`ng c0 tit "in hnh chR nhMt hoc hnh t-Xn "'ng kp t-Nn i g "(o.

    Ehn :m vic 9

    /Xn gFi : phn c;t. _ mt hnh hFc6 n0 : m8t kh!i t(m "in g?m l b mt

    *(u Cy to thnh 9

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    J3

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e @t t-$%c J 9 Uhi c;t kim :oi phoi t-$Yt thot -( tho mt ny.

    e @t *(u chnh 3 9 7!i "in v%i b mt c;t t-Nn phi tZc : mt (ng $Yc

    gi( cng

    e @t *(u ph, l 9 7!i "in v%i b mt P gi( cng.

    >( b mt t-Nn &th$`ng : mt phVng) gi(o nh(u to thnh :$i c;t *! v f.

    e $i c;t chnh 9 : "(o tuyn c=( mt t-$%c J v mt *(u chnh 3. K0 c0

    nhim v, c;t :$Yng "$ kim :oi c=( phi. $i c;t chnh c0 th : thVng cOng

    c0 th : cong khi mt t-$%c J hoc mt *(u : cong.

    e $i c;t ph, l 9 : "(o tuyn c=( mt J v l.

    e @Oi "(o : gi(o im c=( 3 :$i c;t thVng v f.

    f.3. 78ng hFc c=(

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    e /huyn 8ng h t-Y 9 /huyn 8ng "(o c;t :%p c;t khc.

    u t-nh tin. Ehi nhMn chuyn 8ng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    nh .j. c c;t khi tin

    Uhi tin6 :c c;t t]ng E : t]ng vct c=( :c php v :c m( *t t-Nn mt

    t-$%c v mt *(u c=( "(o. T-$`ng hYp chung6 E khng nm t-ong mt phVng tit

    "in chnh K s K m :ch i m8t g0c no 0. Uhi th(y ]i vMt :iu gi( cng6 hnh

    hFc c=( "(o6 ch 8 c;t th E th(y ]i v 8 :%n v h$%ng. wo 06 tnh cng *uDt

    my6 tnh ton 8 bn c=( h th!ng th ng$`i t( chS

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    K0i chung cc :c E6 Ey6 E chWu 1nh h$^ng c=( cc yu t! c=( ch 8 c;t6 thng

    *! hnh hFc "(o khng tho c'ng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    PHN W

    THIxT $x T IN V` PHN !! IU $HI%N !"#(H*+NG

    THIxT $x T IN V` PHN !! IU $HI%N

    I) To in iu hiDn

    1) Thit mB0h

    +*+ f: ngun

    e Thng *! v chZc n2ng9

    /ng *uDt J}

    /ung cDp in p J3_ &kh!i iu khin)6 _ &mch iu khin 8ng c

    t-uyn 8ng 2n "(o)6 J_ &8ng c t-,c chnh).e ? nguyNn :B9

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    Jj

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    n Tt nghip GVHD:Ts.Phm Vn Hng

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    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

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    Jl. @oto- /ont-o: :ct-onic* (n"booke @cH-( i::

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    J

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    Ph Q0

    !t ;E hJnh 4nh 0o8 mA hJnh m/@ tin

    7im } c=( phi7iu chSnh im } c=( phi bng cch iu chSnh 3 8ng c b$%c thng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    3. 78ng c m8t chiu v ph$ng php iu khin E}@ JfII) T=u@n n6 0hB@ 8 1J. Hi%i thiu v t-uyn 8ng chy "(o J3. 78ng c b$%c v ph$ng php iu khin 33l. >8 n8i *uy lIII) (/0 Kh2n6 Kh/K v5 t= t=n m/@ iu hiDn ;E SJ. Uhi nim l3. /c ph$ng php o ll. w,ng c, o vW t- l(H*+NG S: H TH'NG ef LIU V` (gU T( (H*+NGTjNH L`! VI( TkN !"# IU $HI%N &' WI)H thEn6 ? Qiu WJ. to 8

    3. /c im chun f3II) (0 0o8 mt 0h2n6 t=Jnh ^^J. /Cu :nh ff3. TQ :nh ffl. UB t W( chS v nhRng "Du hiu c bit &w~K 3f) f. @ t1 :nh t-ong cCu :nh ff. U\ thuMt :Mp t-nh PHN 9: THIxT $x H TH'NG (+ $Hy ss(H*+NG W: Rz TU#N RIxN ,I (HU#%N zNG -U.#TH`NH (HU#%N zNG T{NH TIxN) ss

    I) T=u@n n6 vt ~ 8i E0 ssJ. ng ",ng c=( b8 t-uyn vitm s (i !c9 3. zu im jl. Kh$Yc im jII) R t=u@n VitmM ~ LCn sJ. Tnh $u vit c=( b8 t-uyn vitm :2n j3. @8t *! hnh 1nh vt me(i !c l. 78ng hFc v 8ng :c hFc c cDu vit m s :2n j. Ut cDu b8 t-uyn vitm s bi j3f. Tnh ton thit k b8 t-uyn vt m s bi. j(H*+NG ^ : *NG eN H*NG TNG !"# (NG ( (N( 1

    I) !t ;E h/i nim v n6 n h]n6 t=n6 m/@ 0An6 0 (N( 1J.7$`ng "#n h$%ng $Yc *+ ",ng t-ong my cng c, nhm m,c ch9 J

    SVTH: Nguyn Thanh Tng Lp:CTM 5 - K46 Nguyn L Vinh Lp:CTM 7 - K46

    Jl

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    3. @( *t t-ong "#n h$%ng 3l. Nu cu c=( "#n h$%ng t-ong my cng c, /K/ . zu nh$Yc im v phm vi *+ ",ng c=( $`ng "#n h$%ng m( *t :2n

    UU* Cc 69ng ng 6ln hBng t!ong #y cng c CNC mJ. w#n h$%ng "ng chR _ 3. w#n h$%ng phVng v "ng ui n &"ng m(ng c) . fl. w#n h$%ng "ng t-, . . w#n h$%ng ch!ng m( *t chuyn 8ng tWnh tin. f. /c "ng "#n h$%ng khc . /Du to c=( $`ng "#n h$%ng JJj. @8t *! kiu *!ng :2n c=( hPng KU Jl. Tnh ton *!ng t-$Yt. J

    (H*+NG s: TyNH T"N THIxT $x T( (HyNH ) 1J. Nu cu !i v%i t-,c chnh 9 J3. _Mt :iu v nhit :uyn c=( t-,c chnh . JJl. 7iu kin k\ thuMt c=( t-,c chnh. JJ3. Ut cDu c=( t-,c chnh 9 JJ3f. Tnh thit k t-,c chnh. JJl(H*+NG : TyNH T"N THIxT $x (HN , LN) 11J. /hFn :oi ] :2n J33. /hFn cDp chnh Ac ] :2n. J3ll. /hFn kch th$%c ] :2n J3

    . Uh1 n2ng

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    n Tt nghip GVHD:Ts.Phm Vn Hng

    f. w,ng c, c;t t-Nn m hnh my tin iu khin bng my tnh JPHN W: THIxT $x T IN V` PHN !! IU $HI%N !"# 1^s(H*+NG 1: THIxT $x T IN V` PHN !! IU $HI%N 1^sI) To in iu hiDn 1^s

    J. Thit k mch Jf3. Eh$ng php iu khin JJII) Phm mm mA Khn6 v iu hiDn m/@ 1sJ @ phIng tin chi tit J3 7iu khin my Jjl Hi(o "in phn mm JjfTi :iu th(m kh1o Jjj

    Eh, :,c @8t *! hnh 1nh c=( my tin T4 J Jj