7/25/2019 Mott Mpo

1/6

7/25/2019 Mott Mpo

2/6 1994-2010 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net

0

' , ` ` , `

(model reference adap tive system, MRAS)

[ 1 ]

,

, ,

, `

MRAS 2 `

,

,

,`

,

, MRA S ` MRA S,

MRAS

MRAS[ 2 ]

MRAS , 2

`

fl

fi fl , ,

, ` fl ,

[ 1 ]

, fl

` , fl

, `

,

2 [ 3 ]

: ,

` ;

, , `

fi

, ,

, ,

,

1

,

` ` P I ,

r`u =L r

Lm (us` - R sis`)d t -L sis` , (1)

ru =L r

Lm (us - R sis)d t -L sis (2)

`

p r`i =Lm

Tris` -

r`

Tr- r r, (3)

p r i =

Lm

Tr is -

r

Tr + r r` (4)

: r`, r ` ` , u, i

` ; L r ; Lm

; p ; us`, us ` ;

is`, is ` ` ; R s ; L s

; ' , =1 - L2

m /(L sL r); Tr

, Tr = L r/R r; r

` r,

r = 2

r` +2

r ,

, `

,

fl [4]

, ,

^

r r

MRAS 1

1 M RAS

F ig. 1 M RAS system block d iagram

,

` M RA S ,

` , `

,

MRAS

R^

s R s

[ 5] Popov ,

MRAS , ^

r

(P I) ,

R^

s ,

MRAS [ 6]

,

^

r = (kp1 + ki1/ s) ( r`i ru - ri r`u), (5)

R^

s = (kp2 + ki2/ s) ( r`u r i - ru r`i) (6)

:^

r ; R^

s ; kp1,

kp2 ; ki1, ki2

, ,

` , ` r,

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7/25/2019 Mott Mpo

3/6 1994-2010 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net

P I ( `

), P I

^

r, ` ,

; ,

, ` ,

, r,

P I , R^

s,

,

Popov ,

`

2

, ` ` ` ,

,

[ 6-7]

R^

s = (kp3 + ki3/ s) ( ru - ri)i3

sd, (7)

i3

sd = I3

sd + i3

sd1 (8)

: R^

s ; ru

` , ri ` ` ; kp3, ki3

; i3

sd ` ` ; I3

sd ` ; i3

sd1

` fl , ` 50% ,

1 3 Hz

,

, 2

2

F ig. 2 Speed estima tion system block d iagram

3 , ` ,

` ` ,

, fl ,

fl

,

` , 3

3 `

F ig. 3 Induct ion m otor sen sorless vector con trol system

block d iagram

3 ,

MATLAB / Simulink `

`

, :P =4 kW, p =

2, R s =1137, R r =111, Lm =01141 22 H, Lds =

01004 872 611 H, Ldr = 01007 957 747 1 H, n =

3031441 665 rad / s, Idsn =61756 A, Iqsn =91406 A,

m=01952 596Wb, Ten=261526 N m, J =0133 kgm2

, ode233 P I

kp1 =5 000, ki1 =40 000; kp2 =50,

ki2 = 900; kp3 = 5, ki3 = 100 fl i3

sd1

=31373sin6(A )

4 ,t = 011 s 200 rad / s

4(a) 4(b)

,

MRAS ,

, fl

113 ,Rs = 113R s0,

R r = 113R r0,4(c)4(h) 113

:4(c) ;

4(d) ,

fl ,

,

, ` ,

, 4(e)

, 4(f)

,

, , `

86 14

7/25/2019 Mott Mpo

4/6 1994-2010 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net

, 2 sfi `

, ,

011 rad / sfi ,

, `

4(g) 4(h)

, 4 5 s

` ,

4 113

F ig. 4 S im ula tion results of the speed e stima tion for sta tor and rotor re sistance change in to 113 t im es of the ra t ing

, fl fl ,

, fl [ 8]

, fl ,

R s = 1137 + (1 - e-012 t

),

R r =111 + (1 - e-012 t

) , t =011 s

3r =200 rad / s, t =20 s 300 rad / s, t =30 s

15 N m, 50 s5

, 5(a) 5(b)

,

fl , ` ,

,

fl

, ,

fl , fl

`

5(c) 5(d)

, 20 s

300 rad / s , 30 s

15 N m ,

, 011 rad / s ,

,

` ,

' `

,

` ,

,

5 fl

F ig. 5 S im ula t ion resu lts of the speed e stima tion for the ac tua l resistance change

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7/25/2019 Mott Mpo

5/6 1994-2010 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net

4

, ` fl

, ` ( fl

` , `

` ),

, `

,

, : Pn =312 kW, Un =

380 V, p =2, n =303 rad / s, Lm =01078 H, L s =

L r =01081 9 H, Rs =017, R r =01926

6 :6(a)6(b)

fl ` ; 6(c)

fl ;

6(d) fl

,

6

F ig. 6 Speed est ima tion exper im en ta l re sults

,

fl

, `

5

, , fl ,

`

, ,

;

` ,

,

` ` ;

fl ,

, ` fl

fi :

, ;

, ,

; ,

` ,

, fl

`

:

[ 1 ] , , , . ` U 2N

[ J ]. , 2006, 26( 24 ):

159 - 163.

N IAN Xiaohong, WANG J ian, L I Xiangfei, et al. A method of

speed adap tive estima tion based on stator flux U2N model of IM

[ J ]. Proceeding of the CSEE, 2006, 26(24): 159 - 163.

[ 2 ] , .

[ J ]. fl , 2004(1): 4 - 10.

L I Yongdong, L I M ingcai. Speed sensorless control of induction

motor with high pe rformance [ J ]. E lectric D rive, 2004(1): 4 - 10.

[ 3 ] , . ` fl

[ J ]. , 2002, 6(2): 111 - 114.

XU X iaozeng, Q IN Yi. Adap tive control and p arame ter identifica2

tion for vector2controlled induction motor [ J ]. Journal of N orth

Ch ina Electric Power Un iversity, 2002, 6(2): 111 - 114.

[ 4 ] ` , , .

[ J ]. , 2009, 13(5): 638 - 642.

WANG Gaolin, CHEN Wei, YANG Rongfeng. Speed sensorlessimp roved rotor flux estimator for sensorless induction motor[ J ]. E2

lectric M achines and Control, 2009, 13(5): 638 - 642.

[ 5 ] , , , . MRAS

` [ J ]. , 2008,

23(11): 41 - 46.

GAO J ian, HUANG Shoudao, MA Xiaofeng, et al. Speed sensor2

07 14

7/25/2019 Mott Mpo

6/6 1994-2010 China Academic Journal Electronic Publishing House. All rights reserved. http://www.cnki.net

less vector control system of bearingless induction motors based on

mutualm ras scheme [ J ]. Transactions of Ch ina E lectrotechnical So2

ciety, 2008, 23(11): 41 - 46.

[ 6 ] ,y . fl

` [J ]. , 2003, 18( 3):

10 - 13, 18.

CHEN Shuo, M INEO Tsuji. On2line pa rame ter identification for

sensorless vector control system of induction motors based on flux

observer[ J ]. Transact ions of Ch ina Electrotechnical Society, 2003,

18(3): 10 - 13, 18.

[ 7 ] H ISAO Kubota, KOUKI Ma tsuse. Speed sensorless f ield oriented

control of induction machines using flux observer [ C ] / /IECON

1994, Sep tember 5 - 9, 1994, Bologna, Italy. 1994, 3: 1611

- 1615.

[ 8 ] fi , , `, . fl

[ J ]. ` , 2002, 29(2): 13 - 18.

XU Boqiang, L IH em ing, SUN L iling, et al. Tempe rature monito2

ring for a synchronous motors based on parame ter identification tech2

nique[ J ]. Jou rna l of N orth China E lectric PowerU niversity, 2002,

29(2): 13 - 18.

( :` )

( 65 )

[ 9 ] , . ` fl

[ J ]. , 2007, 11(4): 369 - 374.

WANG Rongsheng,WU Hanguang. Easy2solved ma thema tical mod2

el of squirrel cage induction motor with b roken rotor bars[ J ]. Elec2

tric M ach ines and Control, 2007, 11(4): 369 - 374.

[ 10 ] WANG Rongsheng, WU Hanguang, XU W angp ing, et al. Rela2

tionship between multi2broken2bar position and faulty feature on

squirrel cage induction motor[ C ] / /P roceed ing of the Interna tiona l

Conference on ElectricalM achines an d System s2008,October 17 -

20, 2008,Wuhan, Ch ina. 2008: 4285 - 4290.

[ 11 ] G , , . fl [M ]. ' :

, 2005.

( :` )

174 :