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,
764 :
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
964 :
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 :
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