8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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T chc lp vit bo khoa hc K thut ng trn tpch u!c t (18)

(Electrical Engineering)

Kha Thi "c "i hc # $%&c T' () *h +inh ,i- !c trung t.- vit bo khoa hc b/ng ting

0nh

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1it Ting 0nh (c Thut

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8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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Ti2u 34 c nh.n

Kha Thi "c 5T67 Kno89 : 78 vit ting 0nh kthut trong cc tr%;ng i hc < "=i >oan h?n hai-%?i n-@ Ang l= tc giB cCa -%;i b!n cu!n 3chvD vit ting 0nh k thut v= chu8n nghiEp@ Ang th=nh lp -Ft trung t.- vit ting 0nh ti tr%;ng ihc # #unp6i )ng th;i cGng l= giBng vin to=n th;igian ti tr%;ng@ Ang : chHnh 34a trn IIJ b=ivit cho viEc ng bo nghin cu khoa hc tL n-MNON@ Ang l= cGng nh= bin tp ting anh cho -Ft 3tp ch vD khoa hcJ k thut v= 8 hc cCa "=i >oan@

8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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A. Nn tng (Backgro nd)P !hi"t l#p c$c % & 't nghi n c (*etting o+ research proposal) Q +R tB

-Ft Su h%ng ph binJ pht tri2n ho c hiEn t%&ng trong lUnh vVc cCa bn2 ng%;i c cW th2 hi2u %&c b!i cBnh -= bn D SuXt nghin cu ang%&c thVc hiEn @

P ,'n % nghi n c (-esearch pro le ) Q +R tB cc hn ch chnh ho cthXt bi cCa cc nghin cu tr%c .8 ho c cc ph%?ng php : nghin

cu khi giBi u8t cc Su h%ngJ pht tri2n ho c hiEn t%&ng : nu @P 0 c %i2 k3 th #t %4nh l56ng c7a v'n % nghi n c ( antitative

speci+ication o+ research pro le ) Q "Ynh l%&ng ho c %a ra -Ft v 7Z vDvXn D nghin cu %&c trch 7[n trong t=i liEu tha- khBo tr%c W@

P !9 an tr;ng c7a v'n % nghi n c (< portance o+ research

pro le ) Q +R tB cc hu uB vD - t l\ thu8t v= thVc t nu khRng giBiu8t vXn D nghin cu@

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8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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,L d@ 1 (cont.)

F"t d= ki"n 03 anticipat67J capabl6 o` anal8^ingt6-p6ratur6dr6lat67 charact6ri3tic3 o` *3J th6 propo367th6r-o3tat t63ting 383t6- can a76 uat6l8 controlt6-p6ratur6 variation3 _ithin a rang6 o` * e M * `orM group3 o` t63t 383t6-3 on a 7ata log 6v6r8 hour3@

0Gng gGp trong lHnh v=c lI th "t vJ th=c tiKn Th6propo367 th6r-o3tat t63ting 383t6- can -onitor an76``6ctiv6l8 control `actor3 that _oul7 6nabl6 a variation int6-p6ratur6 to 6nhanc6 * charact6ri3tic3J lo_6r th6 pro7uct6rror rat6J an7 r67uc6 th6 ov6rh6a7 co3t3 o` * pro7uct3@

8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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,L d@ M: Electrical Engineering

!hi"t l#p c$c % & 't nghi n c $ ' -o7ulation algorith-pro`oun7l8 i-pact3 th6 op6ration3 o` 36n3orl633 -otor3 in t6r-3 o`3tartdupJ po3itionJ an7 3p667 control application3@,'n % nghi n c ,iv6n th6 narro_ application3 o` 36n3orl633-otor 7riv6r3J 76t6r-ining th6 appropriat6 application3 o` 3uch 7riv6r3i3 6Str6-6l8 7i``icult@

0 c %i2 k3 th #t %4nh l56ng c7a v'n % nghi n c orin3tanc6J co-pl8ing _ith cu3to-i^67 r6 uir6-6nt3 involv63 a7mu3tingvariou3 6l6ctrical charact6ri3tic3J 3ub36 u6ntl8 incr6a3ing not onl8 th6nu-b6r o` pin3 in 36n3orl633 -otor 7riv6r *3J but al3o th6 6St6rnalchip 3i^6 b8 M a3 _6ll a3 ov6rh6a7 co3t3 b8 @!9 an tr;ng c7a v'n % nghi n c Th6 `ailur6 to incorporat6accurat6 po3ition an7 3p667 control in -otor control ulti-at6l8 l6a73 to-otor br6ak7o_n3 an7 th6 inabilit8@

8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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,L d@ M (cont.)

?@c ti nghi n c fa367 on th6 abov6J _6 3houl776v6lop an algorith- ba367 on 3inu3oi7al curr6nt control topr6v6nt a 36n3orl633 -otor `ro- 3toppingJ through 3tartdupto con3tant 3p667@

h5Cng ph$p %2 %Dt %56c @c ti nghi n c To 7o3oJ all 36n3orl633 -otordr6lat67 in`or-ation can b6incorporat67 into th6 propo367 algorith- to 7riv6 a36n3orl633 -otor b8 u3ing $ '@ Th6 3p67 rang6 o` 3tartdup can th6n b6 63ti-at67 un76r variou3 loa7 con7ition3@j6StJ th6 initial po3ition o` a 3tatic -otor can b6 6valuat67to pr6v6nt a r6v6r36 `or_ar7 3ituation o` th6 -otor@

8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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,L d@ M (cont.)

F"t d= ki"n 03 anticipat67J th6 propo367 algorith-ba367 on 3inu3oi7al curr6nt control can int6grat6in`or-ation `ro- a 36n3orl633 -otorJ 6@g@J pha36 voltag6an7 pha36 curr6ntJ _hil6 7i3r6gar7ing in`or-ation `ro- th6conv6ntional 36n3or@

0Gng gGp trong lHnh v=c lI th "t vJ th=c tiKn-portantl8J th6 propo367 algorith- can 6nabl6 36n3orl633

-otor 7riv6r3 to 3av6 36n3ordr6lat67 co3t3 `or -otorapplication3@ +or6ov6rJ th6 3inu3oi7al curr6nt control `or a

36n3orl633 -otor can 76cr6a36 th6 tor u6 rippl6 an7incr6a36 6``ici6nc8@

8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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,L d@ : Electrical Engineering

!hi"t l#p c$c % & 't nghi n c >o_ application voltag6 ban7dgapcircuit3 ar6 conv6ntionall8 u367 in analog an7 -iS67 3ignal circuit3@

,'n % nghi n c (o_6v6rJ conv6ntional ban7dgap circuit3 can onl8op6rat6 abov6 M@OvJ thu3 li-iting th6 -ini-u- application voltag6 o`

analog circuit3@ 0 c %i2 k3 th #t %4nh l56ng c7a v'n % nghi n c orin3tanc6J a lo_dvoltag6 ban7 gap in lo_ voltag6 application3 r6 uir63 anapplication voltag6 b6lo_ M@O in or76r to 6St6n7 li`6ti-6 application b8

d @

!9 an tr;ng c7a v'n % nghi n c Th6 inabilit8 to 763ign a lo_voltag6 ban7dgap circuit in a7vanc67 int6grat67 circuit3 _ill not onl8r67uc6 application li`6ti-6J but al3o inhibit th6 76v6lop-6nt o` n6Stg6n6ration *3@

8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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,L d@ (cont.)

?@c ti nghi n c fa367 on th6 abov6J _6 3houl763tabli3h a curr6nt an7 voltag6 76t6ction `unction in a lo_voltag6 ban7dgap circuit@

h5Cng ph$p %2 %Dt %56c @c ti nghi n c To 7o3oJ a lo_ thr63hol7 voltag6 76vic6 can b6 tun67 `or r67ucingapplication voltag6 co-pon6nt@ 0 76vic6 -o76l can th6n b676v6lop67 `or ' * 3i-ulation@ j6StJ a n6_ curr6nt an7voltag6 76t6ction circuit can b6 3i-ulat67 an7 i-pl6-6nt67@

077itionall8J th6 propo367 ban7dgap circuit can b6i-pl6-6nt67 in oth6r proc63363@

8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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,L d@ (cont.)

F"t d= ki"n 03 anticipat67J th6 propo367 curr6nt an7voltag6 76t6ction `unction can r67uc6 th6 application voltag6`ro- M@O 1 to M@ 1J incr6a36 th6 circuit li`6ti-6 b8approSi-at6l8 MI J an7 r67uc6 th6 ov6rall applicationvoltag6@

0Gng gGp trong lHnh v=c lI th "t vJ th=c tiKn n a77itionto r67ucing th6 application voltag6J th6 propo367 lo_ voltag6ban7dgap circuit can not onl8 6nhanc6 th6 ualit8 o` analog

* 763ignJ but al3o provi76 an accurat6 r6`6r6nc6 voltag6 `oroth6r analog circuit3@

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,L d@ O: Electrical Engineering

!hi"t l#p c$c % & 't nghi n c $63pit6 th6ir 6St6n3iv6 u36in -ultidpo_6r 383t6-3J *+q lo_d7ropout r6gulator3 5>$q39hav6 a 3lo_6r loa7 tran3i6nt r63pon36 than bipolar >$q3 hav6J,'n % nghi n c thu3 li-iting *+q >$q application3 _ith

r63p6ct to `a3t loa7 chang63 in a7vanc67 po_6r 383t6-3@ 0 c %i2 k3 th #t %4nh l56ng c7a v'n % nghi n c orin3tanc6J a >$q r6 uir63 a `a3t loa7 tran3i6nt r63pon36 b6lo_I -1 Mu3 to provi76 a 3tabl6 voltag6 `or oth6r co-pon6nt3@!9 an tr;ng c7a v'n % nghi n c Th6 inabilit8 to763ign a `a3t6r tran3i6nt r63pon36 >$q in high curr6nt chang6application3 _ill not onl8 cau36 6rror3 in oth6r co-pon6nt3J butal3o inhibit th6 76v6lop-6nt o` *+q >$q in a7vanc67 po_6r383t6- *3@

8/9/2019 Vietnam 2.23:T chc lp vit bo khoa hc K thut ng trn tp ch quc t (18)

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,L d@ O (cont.)

?@c ti nghi n c fa367 on th6 abov6J _6 3houl776v6lop a curr6nt an7 voltag6 36n3ing `unction in th6 6rrorda-p o` >$q circuit3@

h5Cng ph$p %2 %Dt %56c @c ti nghi n c To 7o3oJ a curr6nt -o76 control circuit can b6 763ign67 `or36n3ing th6 output curr6nt@ 0 curr6nt `667back path canth6n b6 anal8^67@ j6StJ a nov6l curr6nt an7 voltag6`667back circuit can b6 3i-ulat67J along _ith it36``6ctiv6n633 con`ir-67 7uring _a`6r pr67iction@

077itionall8J th6 propo367 >$q control circuit can b6 u367in oth6r lin6ar control 383t6-3@

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,L d@ O (cont.)

F"t d= ki"n 03 anticipat67J in a77ition to incr6a3ingboth th6 3p667 o` a `667back 3ignal an7 th6 ban7_i7th o` acontrol 383t6-J th6 propo367 curr6nt an7 voltag6 36n3ing`unction can -ini-i^6 th6 loa7 tran3i6nt r63pon36 `ro- I-1 u3 to I -1@

0Gng gGp trong lHnh v=c lI th "t vJ th=c tiKn +or6ov6rJin a77ition to -ini-i^ing th6 voltag6 o` th6 loa7 tran3i6ntr63pon36J th6 a7vanc67 *+q >$q circuit can not onl86nhanc6 th6 ualit8 o` po_6r 383t6-3J but al3o provi76 anaccurat6 output voltag6 `or oth6r analog or 7igital * circuit3

03 i3 _6ll kno_nJ 383t6-dondadchip 5 q*9 763ign o`t6nr6 uir63 int6rnal >$q3 `or -ini-i^ing th6 noi36 6``6ct b6t_66nt_o circuit block3@ Th6 propo367 *+q >$q circuit canupgra76 th6 ualit8 o` -ultidpo_6r 383t6-3 in a q* chip@

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