WO1998025335A1 - Procede de commande sans detecteur et appareil pour moteur synchrone a aimant permanent - Google Patents
Procede de commande sans detecteur et appareil pour moteur synchrone a aimant permanent Download PDFInfo
- Publication number
- WO1998025335A1 WO1998025335A1 PCT/JP1997/004434 JP9704434W WO9825335A1 WO 1998025335 A1 WO1998025335 A1 WO 1998025335A1 JP 9704434 W JP9704434 W JP 9704434W WO 9825335 A1 WO9825335 A1 WO 9825335A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- axis
- command
- speed
- value
- axis current
- Prior art date
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000004364 calculation method Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 2
- 230000007704 transition Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/14—Estimation or adaptation of machine parameters, e.g. flux, current or voltage
- H02P21/18—Estimation of position or speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/04—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation specially adapted for very low speeds
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/24—Vector control not involving the use of rotor position or rotor speed sensors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P21/00—Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
- H02P21/24—Vector control not involving the use of rotor position or rotor speed sensors
- H02P21/26—Rotor flux based control
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
- H02P6/17—Circuit arrangements for detecting position and for generating speed information
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2207/00—Indexing scheme relating to controlling arrangements characterised by the type of motor
- H02P2207/05—Synchronous machines, e.g. with permanent magnets or DC excitation
Definitions
- the present invention relates to a sensorless speed control method and apparatus for a permanent magnet synchronous motor without a position detector and a speed detector.
- 20 [1] is the axis ⁇ - set on the stator; the stator current-ia, i 3 converted to the 3 coordinate system is the observed value, the stator voltage ⁇ , V is the input, and ⁇ - / 3 It is a method of estimating the magnetic flux of the axis coordinate system, ⁇ , ⁇ ⁇ , and the rotor speed using an adaptive law.
- the induced voltage converted to the ⁇ - / 3 axis is an alternating current, and unless the pole of the oscillator is set to a large value, a phase difference between the actual amount and the estimated amount will occur. It will not be zero.
- an object of the present invention is to provide a control method and apparatus capable of designating a magnetic axis in the entire speed range and continuously controlling the speed regardless of the speed-command.
- a sensorless control of a permanent magnet type synchronous motor of the present invention is provided.
- -A method is provided for continuously controlling a permanent magnet type synchronous motor having a permanent magnet as a rotor from a zero speed to a high speed region.
- the synchronous motor in the sensorless control method is provided.
- ⁇ axis One phase of the child is ⁇ axis, electrical angle is 90 ° from ⁇ axis.
- the coordinate that rotates at the true-motor rotation speed is d.
- the d-axis is set as ⁇ , and the designated magnetic axis of the motor is ⁇ , and the axis that is 90 ° ahead of the ⁇ -axis is ⁇ .
- the 5-wheel current command value i 5REF can be composed of a proportional control term consisting of the speed command value WREF and 0 RP-and an integral control term consisting of the speed command value WRREF and ⁇ force.
- the sensorless control device for a permanent magnet type synchronous motor of the present invention has a distribution gain ⁇ 1 and an absolute value of the rotation speed-degree command W RREF which decrease as the absolute value of the rotation speed command ⁇ RREF increases.
- ⁇ -axis current command generator that generates the ⁇ -axis current command i Y RE-F based on the flow command i “/ RE FH and the distribution gain ⁇ 1, K2, and ⁇ -axis power based on the rotational speed command OJ RREF -A speed controller that outputs a current i 5 REF, and a 5-axis current command that outputs a ⁇ -axis voltage command V 5 REF based on the 5-axis current i 5 REF, and the ⁇ -axis current command.
- a ⁇ -axis current controller 0 that outputs a ⁇ -axis voltage command v T REF based on i Y REF and a synchronous motor based on the ⁇ -axis voltage command V 5 REF and ⁇ -axis voltage command V Y REF
- a three-phase to two-phase converter for generating an induced voltage estimated value ⁇ ⁇ est (k + 1) based on the voltage commands V 5 REF, V Y REF, ⁇ -axis current i ⁇ ⁇ and ⁇ -axis current i ⁇ And ⁇ rest
- the estimated ⁇ -axis current i ⁇ est (k + 1) is applied to the Y-axis current controller
- the estimated ⁇ -axis current ⁇ 5 est (k + 1) is applied to the ⁇ For phase current controller
- the true magnetic axis d-axis is the same speed as the ⁇ -axis on average and almost equal to the speed command value, and it rotates at the speed.
- FIG. 1 is a flowchart showing the steps of the present invention.
- FIG. 2 is a block diagram of a control system for implementing the present invention.
- FIG. 3 is an explanatory diagram showing the relationship between the distribution gains K 1 and K 2 according to the present invention.
- Kl and K2 are functions of the speed command WRREF.- As shown in Fig. 3, K1 becomes gain 1 at low speed and becomes 0 at high speed. Set it to change.
- Step 1 Input the U-phase and W-phase currents iu and iw from the current sensor (Step 1). -Using the magnetic axis position est est (k) of the ⁇ axis specified in the previous calculation loop, perform three-phase two-phase conversion, and perform the actual current values iy (k), i 5 ( k) (Step 2).
- R 0 est (k + l) si gn ⁇ est (k + 1) ⁇ (1 + K 0 ) ⁇ 5 est 2 (k + l) + € yest 2 (k + D
- 0J RP (k + l) used for proportional control is derived according to Eq. (3) (step 6).
- ⁇ est (k + 1) K 1 ⁇ RREF F + K 2 ⁇ R p (k + u ⁇ ⁇ (4) From these speed estimation values, based on Equation 5, (k + 1) T s seconds Position of the ⁇ -axis at the time ⁇ es
- Est est (k + l) ⁇ est (k) + ⁇ Ry (k + 1) ⁇ TS ⁇ ⁇ ⁇ (5)
- ⁇ - ⁇ axis The current command i 5REF (k + l) is derived.
- the T-axis current command i Y REF is derived according to Equation 7.
- i 5REF (k + l) KV (wRREF- ⁇ Rp es t (k + 1))
- the speed used for integration is the same as the specified speed of the ⁇ -axis, and in the low speed range where the ratio of 5K1 is designed to be larger than ⁇ 2, the rotation speed of the ⁇ -axis is close to the speed command value WRREF or ⁇ -RW.
- the true magnetic axis d axis is the average value of the ⁇ axis and
- the motor rotates at the same speed and almost equal to the speed command value.
- the induced voltage has a sufficient value
- the rotation speed ⁇ ⁇ is equivalent to the rotation speed of the d-axis on average, and can be set so as to correct the angle difference between the ⁇ -axis and the d-axis.
- the ratio of K2 is designed to be much larger than K1.
- CORP and 0) RY match, so the proportional control and the speed estimate that constitutes the integral control term also match.
- the ⁇ -axis and the d-axis coincide with each other, and the velocity command and the velocity coincide.
- Sensorless vector control-The ⁇ -axis is regarded as the magnetic axis, but the vector control is performed well because it matches the d-axis.
- the distribution gain is set continuously, so that in the intermediate speed range between the low speed range and the high speed range, the error between the ⁇ axis and the d axis is gradually corrected, and the range from the low speed range to the high speed range is It is continuously executed by the same algorithm.
- FIG. 2 is a block diagram of the present invention.
- 1 is a distribution gain generator
- 2 is a speed controller
- 3 is a ⁇ -axis current command generator
- 4 is a 5-axis current controller
- 5 is a ⁇ -axis • current controller
- 6 is a vector control circuit
- 7 is Inverter circuit
- 8 is a synchronous motor
- 9 is a three-phase to two-phase converter
- 10 is a ⁇ - ⁇ axis
- 11 is a speed calculator for 5 proportional control
- 12 is a magnetic axis Computing unit
- 13 is integration, speed calculation for magnetic axis rotation-unit C
- the distribution gain generator 1 creates the distribution gain Kl, ⁇ 2 in Fig. 3 by the speed command WRREF.
- the ⁇ -axis command iYREF is created by inputting iYREFL: low-speed command, i-YREFH: high-speed command and K1, K2 to the ⁇ -axis current command generator 3.
- Speed controller 2 outputs 5-axis current i 5REF (k + l) and outputs 5-axis current
- the vector control circuit 6 receives S est (k + 1) from the magnetic-axis calculator 12 and inputs the magnitude of the voltage and the position angle to the inverter-circuit 7.
- the inverter circuit 7 supplies a current to the synchronous motor 8. Input i u , iw to the three-phase five-two-phase converter 9 and create the rotor coordinate system ⁇ - ⁇ -axis current.
- the present invention can be used in the field of sensorless speed control of a permanent magnet type motor.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Ac Motors In General (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69736603T DE69736603T2 (de) | 1996-12-05 | 1997-12-04 | Sensorloses steurungsverfahren und permanenterregte synchronmotorvorrichtung |
US09/308,919 US6081093A (en) | 1996-12-05 | 1997-12-04 | Sensorless control method and apparatus of permanent magnet synchronous motor |
EP97946095A EP0944164B1 (en) | 1996-12-05 | 1997-12-04 | Sensorless control method and apparatus of permanent magnet synchronous motor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8325345A JP2858692B2 (ja) | 1996-12-05 | 1996-12-05 | 永久磁石型同期電動機のセンサレス制御方法及び装置 |
JP8/325345 | 1996-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998025335A1 true WO1998025335A1 (fr) | 1998-06-11 |
Family
ID=18175779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1997/004434 WO1998025335A1 (fr) | 1996-12-05 | 1997-12-04 | Procede de commande sans detecteur et appareil pour moteur synchrone a aimant permanent |
Country Status (8)
Country | Link |
---|---|
US (1) | US6081093A (ja) |
EP (1) | EP0944164B1 (ja) |
JP (1) | JP2858692B2 (ja) |
KR (1) | KR100455630B1 (ja) |
CN (1) | CN1080950C (ja) |
DE (1) | DE69736603T2 (ja) |
TW (1) | TW352486B (ja) |
WO (1) | WO1998025335A1 (ja) |
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EP1049245A1 (en) * | 1999-04-23 | 2000-11-02 | Hitachi, Ltd. | Method of controlling an induction motor |
GB2357201A (en) * | 1999-08-20 | 2001-06-13 | Mitsubishi Electric Corp | Synchronous motor control device and method |
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CN103346727A (zh) * | 2013-07-27 | 2013-10-09 | 湖北立锐机电有限公司 | 应用于 pmsm无位置控制的角度跟踪观测器及其实现方法 |
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WO2000027024A1 (fr) * | 1998-10-30 | 2000-05-11 | Kabushiki Kaisha Toshiba | Appareil pour commander un moteur synchrone |
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JPH02219498A (ja) * | 1989-02-16 | 1990-09-03 | Toyota Central Res & Dev Lab Inc | インバータの電流制御装置 |
JPH0349588A (ja) * | 1989-07-14 | 1991-03-04 | Omron Corp | 離散時間型acモータ制御装置 |
US5182508A (en) * | 1992-04-16 | 1993-01-26 | Westinghouse Electric Corp. | Reconfigurable AC induction motor drive for battery-powered vehicle |
US5585709A (en) * | 1993-12-22 | 1996-12-17 | Wisconsin Alumni Research Foundation | Method and apparatus for transducerless position and velocity estimation in drives for AC machines |
JPH08280199A (ja) * | 1995-02-10 | 1996-10-22 | Nippon Soken Inc | 永久磁石界磁同期電動機のセンサレス制御装置 |
GB2301904B (en) * | 1995-06-05 | 1999-12-08 | Kollmorgen Corp | System and method for controlling brushless permanent magnet motors |
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1996
- 1996-12-05 JP JP8325345A patent/JP2858692B2/ja not_active Expired - Fee Related
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1997
- 1997-12-02 TW TW086118120A patent/TW352486B/zh not_active IP Right Cessation
- 1997-12-04 WO PCT/JP1997/004434 patent/WO1998025335A1/ja active IP Right Grant
- 1997-12-04 KR KR10-1999-7004929A patent/KR100455630B1/ko not_active IP Right Cessation
- 1997-12-04 EP EP97946095A patent/EP0944164B1/en not_active Expired - Lifetime
- 1997-12-04 US US09/308,919 patent/US6081093A/en not_active Expired - Lifetime
- 1997-12-04 CN CN97180338A patent/CN1080950C/zh not_active Expired - Fee Related
- 1997-12-04 DE DE69736603T patent/DE69736603T2/de not_active Expired - Fee Related
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JPH0270282A (ja) * | 1988-09-06 | 1990-03-09 | Mitsubishi Electric Corp | インバータ装置 |
JPH03178589A (ja) * | 1989-09-29 | 1991-08-02 | Yuzuru Tsunehiro | インバータの制御装置 |
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JPH09191698A (ja) * | 1996-01-12 | 1997-07-22 | Yaskawa Electric Corp | 永久磁石形同期電動機の速度推定方法及びその回転子ずれ角推定方法並びに回転子位置修正方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1049245A1 (en) * | 1999-04-23 | 2000-11-02 | Hitachi, Ltd. | Method of controlling an induction motor |
US6344726B1 (en) | 1999-04-23 | 2002-02-05 | Hitachi, Ltd. | Method of controlling an induction motor |
GB2357201A (en) * | 1999-08-20 | 2001-06-13 | Mitsubishi Electric Corp | Synchronous motor control device and method |
GB2357201B (en) * | 1999-08-20 | 2003-07-09 | Mitsubishi Electric Corp | Method and apparatus for controlling a synchronous motor |
CN103312255A (zh) * | 2013-06-18 | 2013-09-18 | 山东大学(威海) | 一种永磁同步电机速度控制方法和装置 |
CN103346727A (zh) * | 2013-07-27 | 2013-10-09 | 湖北立锐机电有限公司 | 应用于 pmsm无位置控制的角度跟踪观测器及其实现方法 |
CN103346727B (zh) * | 2013-07-27 | 2016-01-20 | 湖北立锐机电有限公司 | 应用于pmsm无位置控制的角度跟踪观测器及其实现方法 |
CN106160594A (zh) * | 2015-04-27 | 2016-11-23 | 比亚迪股份有限公司 | 用于永磁同步电机零位测量的方法及*** |
CN106160594B (zh) * | 2015-04-27 | 2019-01-11 | 比亚迪股份有限公司 | 用于永磁同步电机零位测量的方法及*** |
CN105932922A (zh) * | 2016-06-20 | 2016-09-07 | 华北电力大学(保定) | 一种机械弹性储能用永磁同步发电机的控制方法 |
Also Published As
Publication number | Publication date |
---|---|
DE69736603D1 (de) | 2006-10-12 |
JP2858692B2 (ja) | 1999-02-17 |
EP0944164B1 (en) | 2006-08-30 |
JPH10174499A (ja) | 1998-06-26 |
TW352486B (en) | 1999-02-11 |
US6081093A (en) | 2000-06-27 |
KR100455630B1 (ko) | 2004-11-06 |
EP0944164A1 (en) | 1999-09-22 |
CN1240064A (zh) | 1999-12-29 |
CN1080950C (zh) | 2002-03-13 |
KR20000057380A (ko) | 2000-09-15 |
DE69736603T2 (de) | 2007-09-20 |
EP0944164A4 (en) | 2001-03-21 |
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