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Identification of Parameters for a DC Motor

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    !

    Bachelor Degree project

    Identification of parameters for a

    DC-motor by LabVIEW

    Author:Lao Shen and Ye Chaoran

    Date:2012-06-11

    Subject:Electrical Engineering

    Level:Bachelor

    Course code:2ED14E

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    SH-0+>- 0+:(3) /2 &'- -^&-0%+. 1'--. !!jBC44

    =2>?@A K7O

    V4'$3%* -: $9* $-%^3* $*#$

    K'- .-%>&' /2 &'- 1'/.- 03.-0 :j!CC,4

    K'- 0+:(3) /2 &'- 1'--. &+L- +1+F 0jB,4

    K'- .-%>&' 20/4 &'- 1'--. &/ &'- ,-%&-0 /2 >0+H(&F .!jUU,4

    K'- .-%>&' 20/4 &'- ,-%&-0 /2 >0+H(&F &/ &'- -%: 5/(%& .#jVC,4

    K'- :()&+%,- 20/4 &'- */&&/4 5/)(&(/% 4/H-4-%& :#jQD,4

    9-(>'& /2 &'- 03.-0 4jQQC>

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    ##

    3#O /+K12 &*+,78,(

    N/0 &'- 53.)-) ,/3%&(%> )F)&-4G &'() 5+0& 1- %--: &/ 3)- &'- 3%(& ;Sc +))()&+%&E

    K'- ;Sc S))()&+%& () + >0+5'(,+. (%&-02+,- &'+& 1- ,+% 3)- &/ ,/%2(>30- 4-+)30-4-%&

    &+)L) +%: ,'+%%-.)E S) (..3)&0+&-: (% N(>30- QEYG ;Sc S))()&+%& () ./,+&-: /% &'-

    N3%,&(/%)kk8^50-))kk$%53&) 5+.-&&-E S) (..3)&0+&-: (% N(>30-G 0(>'& ,.(,L /% &'- *.+%L

    )5+,-G /%- ,+% -+)(.F 2(%: &'- 3%(&E K/ .+3%,' &'- ;Sc S))()&+%&G 5.+,- (& /% &'- *./,L

    :(+>0+4E

    =2>?@A K7Z

    T!_ !##4#$&0$ 304$ 40$*%:&'* E#'%**0 #9-$ :%-6 F&$4-0&< 20#$%36*0$ B&"C2ADH

    9'-% &'- ;Sc S))()&+%& () 5.+,-: /% &'- *./,L :(+>0+4G +) )'/1-: (% N(>30- QEZG

    + ;Sc S))()&+%& :(+./> */^ 1(.. +3&/4+&(,+..F )'/1 35E $% &'() 5+0&G 1- %--: &/ 2(0)&

    ,'//)- S,I3(0- )(>%+.)E

    =2>?@A K7[

    T!_ !##4#$&0$ .4&

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    #Q

    S2&-0 &'+&G 2/0 &'- )+L- /2 /30 53.)-) ,/3%&(%> )F)&-4G 1- )-.-,& &'- 30- QE!C (%:(,+&-) &'+& &'- :(+./> */^ &'-% :()5.+F) + .()& /2 :-H(,-) +%:

    ,'+%%-.) 1'(,' +0- ,/%%-,&-: 1(&' &'- ,/453&-0E $% &'() ,+)-G &'-0- () /%.F /%-

    ?@A=BCCD 3%(& () ,/%%-,&-: 1(&' &'- ,/453&-0 1'(.- &'-0- () /%.F /%- ,/3%&(%>

    ,'+%%-. (% ?@A=BCCD=WN$CG )/ 1- )-.-,& (& +%: ,/%&(%3-E

    =2>?@A K71P

    T*U4'* &0. '9&00*< '9--#40J E#'%**0 #9-$ :%-6 F&$4-0&< 20#$%36*0$ B&"C2ADH

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    #U

    S& &'() 5/(%&G &'- ;Sc +))()&+%& /5-%) + %-1 1(%:/1G )'/1% (% N(>30- QE!!G

    1'(,' :()5.+F) &'- /5&(/%) 2/0 ,/%2(>30(%> &'- )-.-,&-: ,'+%%-.)E $% &'- 8:>- )-,&(/%G 1- ,+% ,'+%>- &'- +,&(H- -:>-G &'- %34*-0 /2 (%(&(+.

    ,/3%&(%> +) 1-.. +) ,/3%&(%> :(0-,&(/%E $% /30 ,+)-G 1- 0-4+(% &'- :-2+3.& H+.3- )(%,-

    1- J3)& %--: &/ ,/3%& &'- %34*-0 /2 53.)-)G &'-0- () %/ %--: &/ ,/%)(:-0 +*/3& &'-35 /0 :/1% -:>- -H-% :(0-,&(/%E N/0 &'- K(4(%> @-&&(%>)kkS,I3()(&(/% \/:- 5+0&G 1-

    ,'//)- ! @+45.- 1'(,' () /% :-4+%:E

    =2>?@A K711

    /-30$40J *.J*# #*$$40J E#'%**0 #9-$ :%-6 F&$4-0&< 20#$%36*0$ B&"C2ADH

    S2&-0 &'- 5+0+4-&-0 )-&&(%> )-,&(/%G 1- ,.(,L /% &'- ]3% A3&&/%G )'/1% (% QE!#G

    +%: &'-% &'- ,/3%&(%> )F)&-4 () 03%%(%>E 9- ,+% /*&+(% &'- %34*-0 /2 53.)-) )(>%+.

    &0+%)2-00-: (%&/ ,/453&-0 *F .//L(%> +& &'- (%:(,+&/0 *./,L=\-+)30-: 7+.3-f)gE 9-

    ,+% )--G +& &'- 4/4-%& 1- &+L- &'- 5(,&30-G &'-0- +0- UDDU 53.)-) /2 &'- ;< 4/&/0

    '+) 50/:3,-: 1'(.- &'- ;< 4/&/0 () !CCC 53.)-) 5-0 0-H/.3&(/% 1'(,' (%:(,+&-) &'-

    ;< 4/&/0 '+) 0/&+&-: %-+0.F V ,(0,.-) :30(%> &'- 4-+)30- &(4-E

    =2>?@A K715

    /-30$40J *.J*# %30040J E#'%**0 #9-$ :%-6 F&$4-0&< 20#$%36*0$ B&"C2ADH

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    #V

    9'-% 2(%()' &'- ;Sc S))()&+%& 5+0&G 1- *->(% &/ )&03,&30- &'- 5.3)-) ,/3%&(%>

    *./,L :(+>0+4 1'(,' () :-4/%)&0+&-: (% N(>30- QE!QE @-,/%: &/ %/%-G 1- 53& + )&/5

    )1(&,' &/ ,/%&0/. &'- ;Sc S))()&+%& &/ :-,(:- 1'-% &/ 0-)-& &'- %34*-0 /2 0-,-(H-

    &'- )(>%+.)E S2&-0 &'+&G + &(4- ,/3%&(%> 3%(& () +::-: (%&/ &'- )F)&-4 &/ 0-,/0: &'-

    &(4- '+) -.+5)-:E K'-% 1- 3)- +0(&'4-&(,+. 3%(& :(H(:- &'- %34*-0 /2 53.)-) 1(&' &'-&(4- 0-,/0: &/ /*&+(% &'- 2(>30- 1'(,' () ,+.. 53.)-) 5-0 )-,/%: *F &'- :(H()(/%E K'0--

    L(%:) /2 (%:(,+&/0) +0- +::-: +.)/ (%&/ &'- *./,L :(+>0+4 &/ 2(>30- /3& &'-

    (%2/04+&(/% 1- 1+%&-: (% P+3>-G _34-0(, +%: 9+H-2/04 30- QE!UG &'- 20/%&

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    S )1(&,' ,/%&0/.) 1'-&'-0 &/ 0-)-& &'- ;Sc S))()&+%& %34*-0 +) 1-.. +) &'0-- L(%:)

    /2 (%)&034-%& &/ /*&+(% (%2/04+&(/% (% :(22-0-%& 0-)5-,&)E

    =2>?@A K71S

    V

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    #B

    3#D M*+,78,( 1H172@ 7217

    S2&-0 1- ,/45.-&- &'- ,/3%&(%> )F)&-4G +'-+: /2 +..G 1- %--: &/ &-)& &'-

    )F)&-4 &/ )-- 1'-&'-0 &'- )F)&-4 ,+% 1/0L 50/5-0.FE K'- 2(>30- QE!V )'/1) &'-

    )(>%+. >-%-0+&/0 50/:3,-) + )I3+0- 1+H- 1'(,' '+) + # LOT 20-I3-%,FE

    =2>?@A K71Y

    L4J0&< J*0*%&$-%

    N(>30- QE!B :-4/%)&0+&-) &'- 5(,&30- /*&+(%-: *F &'- /),(..+&/0 &/ 4/%(&/0 &'-

    )I3+0- 1+H- () 1/0L(%> 50/5-0.FE

    =2>?@A K71O

    X#'4

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    #Y

    N(>30- QE!Y )'/1) &'- ,/%%-,&(/% /2 &'- &-)& )(>%+.)E ]-: /%- () 2/0 &'- )I3+0-

    1+H- 50/:3,-: *F &'- )(>%+. >-%-0+&/0E

    =2>?@A K71Z

    8*#$ #4J0&%+. >-%-0+&/0E A-)(:-)G &'- P+3>- +%: 9+H-2/04 ?@A K71[

    =%-0$ ;&0*< .&$&

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    #Z

    3#P LMC@*7*) 9*K7%(2 &J%,(8,( 7217K7Z71 /9&0J* :%-6 P! $- 5PC

    %# I217 Q87J 7J2 QJ22K

    =2>?@A K71Q

    P!N5PC ,4$9 $9* ,9**?@A K75PP!N5PC ,4$9-3$ $9* ,9**

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    QC

    K7Z7K /9&0J* :%-6 1PC $- P!

    %# I217 Q87J 7J2 QJ22K

    =2>?@A K75K

    1PCNP! ,4$9 $9* ,9**?@A K75S

    1PCNP! ,4$9-3$ $9* ,9**

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    Q!

    K7Z7S /9&0J* :%-6 1YC $- 5PC

    %# I217 Q87J 7J2 QJ22K

    =2>?@A K75Y

    1YCN5PC ,4$9 $9* ,9**?@A K75O

    1YCN5PC ,4$9-3$ $9* ,9**

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    Q#

    K7Z7Y/9&0J* :%-6 5PCNPC

    %# I217 Q87J 7J2 QJ22K

    =2>?@A K75Z

    5PCNPC ,4$9 $9* ,9**?@A K75[

    5PCNPC ,4$9-3$ $9* ,9**

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    QQ

    K7Z7O /9&0J* :%-6 1PCNPC

    %# I217 Q87J 7J2 QJ22K

    =2>?@A K75Q

    1PCNPC ,4$9 $9* ,9**?@A K7KP

    1PCNPC ,4$9-3$ $9* ,9**

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    QU

    K7Z7Z `*%*6*0$#

    _34*-0

    7/.&+>- +%:

    ,300-%&

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    8!MBA K71

    846* '-0#$&0$

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    !C7=C7G *3& 1- J3)& 4+L- &'- /5-% ,(0,3(& %/& &'- )'/0&-: /%-)E K'-% 1- >-& &'-10/%> 5(,&30-) +%: &(4- ,/%)&+%&E K'-0-2/0-G 1- ,/%&(%3- &'- 4-+)30-4-%&) &/ >-&

    &'- ,/00-,& ,/%)&+%&)E

    _34*-07/.&+>-

    l7m

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    QV

    3#R M%K&+K%78*,

    K7[71 T*0#4$+ -: $9* ,9**0+. /2 &'-

    2/043.+ *-./1

    ! ! !!!!!!!"!

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    !!G !! +%: !! 0-50-)-%&) &'- (%-0&(+ /2 &'- 1'--.G -^&-0%+. 5+0& +%: (%&-0%+. 5+0&!!G !! +%: !! 0-50-)-%&) &'- -^&-0%+.G (%&-0%+. +%: 4(::.- 5+0& 0+:(3)

    K7[7K V&%&6*$*%#

    9- ,+% /*&+(% &'- &(4- ,/%)&+%& ! 20/4 K+*.- QE!

    K(4- ,/%)&+%& 1(&' &'- 1'--. !! ! !!

    S%: &(4- ,/%)&+%& 1(&'/3& &'- 1'--. ! ! !!

    N0/4 &'- N/043.+ QEQG 1- ,+% /*&+(% &'- 2/../1(%> -I3+&(/%)

    !!!!

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    K'-%!! ! !!!"## !"!!

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    +%: !!

    0-50-)-%&) &'- (%-0&(+ /2 &'- 4/&/0 +%: 1'--.

    K'- %-^& )&-5G 20/4 )-,&(/% QEYEY

    !! !!!

    !!! !"!!" ! !!!"#!

    ! ! !"# ! !!!! !!!!" !!!!"# ! !!!"#$%

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    QY

    N0/4 &'- 2/043.+

    ! ! !! !!

    K'-%

    !! ! !!!"# !"!

    N0/4 &'- 2/043.+ QEQ +%: K+*.- QE#

    ! !!!!!

    !!

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    !"#$%

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    ! !!!" !!"!!!!"#!

    N0/4 &'- K+*.- QE#G +%: &'- 2/043.+

    \/&/0 ,/%)&+%&

    ! !!"#$%$!"#$%&!"#!"#$%& !!!

    !"#$%$!"#$%&!"#!"#$%&'($) !!"#$%&'9- ,+% >-& &'- 53.)-) %34*-0 /2 &'- ;

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    QZ

    S 20'%*6*0$&< *0'-.*%

    N#" IJ2 +12- 2,&*-2)

    =2>?@A S7120'%*6*0$&< *0'-.*% ;4'$3%*

    N(>30- UE! )'/1) &'- (%,0-4-%&+. -%,/:-0 50/:3,-: *F P-04+%F -%& I3+.(&F ,/%&0/.)G 3)(%> '(>' 50-,()(/%G 4/:-0% 4-+)30(%> :-H(,-)E

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    -)&+*.()'(%> ,/%2(:-%,- +%: .-+:(%> &/ ./%>=&-04 *3)(%-)) 0-.+&(/%)'(5)E

    @$ +%: ,/%&0/. 5305/)-) /% 4+,'(%- &//.)G ,0+%-)G 50-))-)G

    50(%&(%> 4+,'(%-)G /22(,- 4+,'(%-)G 0/*/&)G )-0H/ :0(H-) +%: )(4(.+0 -I3(54-%&

    1'-0- 0-.(+*(.(&F () &'- '(>'-)& 50(/0(&FE X30 '(>'.F 4/&(H+&-: :-H-./54-%& -%>(%--0)

    +0- ,/%&(%3+..F )--L(%> &/ -%'+%,- /30 50/:3,& 0+%>-Ee fN0/4 &'- 1-*)(&- 5+>-d$%&0/:3,&(/% /2 @$

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    UC

    N#3 =*K7%(2 18(,%K %&S+8)8,(

    $% &'() )-,&(/%G &'- 50/,-))(%> /2 &'- H/.&+>- )(>%+. +,I3(0(%> () )(4(.+0 &/ &'-

    50/,-))(%> /2 53.)-) ,/3%&(%>E S) &'- N(>30- UEQ )'/1)G +2&-0 F/3 5.+,- &'- ;Sc

    S))()&+%& ?%(& /% &'- *./,L :(+>0+4G &'- ;Sc S))()&+%& :(+./> */^ 1(.. +55-+0

    +3&/4+&(,+..FE

    =2>?@A S7K

    T!_ !##4#$&0$ .4&30- UEUG &'-0- () + %--: 2/0 ,'//)(%> &'- :-H(,-) +%: ,'+%%-.)E

    ?%.(L- &'- 53.)-) ,/3%&(%> 5+0&G -+,' ?@A=BCCD '+) Z +%+./> ,'+%%-.) &/ /*&+(% &'-

    )(>%+.) +& &'- )+4- &(4-E

    =2>?@A S7S

    T*U4'*# &0. '9&00*

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    U!

    N(>30- UEV :-4/%)&0+&-) +% -^+45.- /2 + H/.&+>- )(>%+. >0+5' &'+& 1- ,+% )--

    &'- 1+H-2/04 >0+5' 20/4 &'- (%:(,+&/0E

    =2>?@A S7Y

    C-?@A S7OL4J0&

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    UU

    N#N T,%KH181

    %+. R! +%: R# '+) + DC :->0-- )'(2&E S%: &'- 5+&&-0%)

    ,+% *- 0-,/>%(T-: +) 2/30 L(%:)a S! ACG S! A!G SC A!G +%: SC AC 1'(.- &'- S -^,.3)(H-

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    =2>?@A S715

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    UV

    Y @*#3(H-) ! ! !!!"!!"#!!"!E N0/4 QEZEQG */&' 1(&' +%: 1(&'/3&1'--.G &'- )4+.. :(22-0-%,- () +,,-5&+*.- 0-)3.&E

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    UB

    @*:*%*0'*

    l!m?@8] P?$;8 S_; @W84+%%E,/4[(%&0/[(%:-^E'&4.

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    '&&5a[[111E)/.+0*/&(,)E%-&[)&+0&(%>[#CC!!!s:,4/&/0[#CC!!!s:,4/&/0UE'&4.

    lS,,-))-: QC \+F #C!#m

    lZm 8.-,&0/=4+%%E,/4[50/:3,&[(%,0-4-%&+.[(%:-^E'&4.

    lS,,-))-: QC \+F #C!#m

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    @8=QD! Z# R+.4+0 [ @8=QV! DV 7t^Ju

    K-. hUB fCgYY#=#Z ZC CC


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