CN102497142A - Starting method for permanent magnet synchronous motor - Google Patents
Starting method for permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN102497142A CN102497142A CN2011104138430A CN201110413843A CN102497142A CN 102497142 A CN102497142 A CN 102497142A CN 2011104138430 A CN2011104138430 A CN 2011104138430A CN 201110413843 A CN201110413843 A CN 201110413843A CN 102497142 A CN102497142 A CN 102497142A
- Authority
- CN
- China
- Prior art keywords
- synchronous motor
- permagnetic synchronous
- permanent magnet
- magnet synchronous
- startup method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Control Of Ac Motors In General (AREA)
Abstract
The invention discloses a starting method for a permanent magnet synchronous motor. The starting method comprises the following steps of: presetting a constant torque, and providing continuous sinusoidal voltage for the permanent magnet synchronous motor to make the permanent magnet synchronous motor rotate; making the permanent magnet synchronous motor rotate at constant acceleration; and after the acceleration of the permanent magnet synchronous motor is finished, switching the permanent magnet synchronous motor into a closed loop control state, obtaining a phase shifting angle by using a position and velocity estimator, and starting the permanent magnet synchronous motor according to the phase shifting angle. The starting method is simple, easy to implement and low in cost.
Description
Technical field
The present invention relates to the startup method of a kind of permagnetic synchronous motor (PMSM).
Background technology
Existing permagnetic synchronous motor at first need be confirmed the position of rotor when starting.And there is following method the position of confirming rotor in the prior art:
1. force location, the method for open-loop start-up again through rotor.But when being to use this kind method, motor may reverse, and does not allow counter-rotating under a lot of situation, because this is a danger close.And this start-up course is also unreliable steady.
2. switch on respectively by six steps to motor, detect the time method that back electromotive force disappears again.Yet response speed is slow like this, and start-up time is long.
3. based on the startup of other complicated control algolithms and expensive hardware, still, these method costs are too high.
Summary of the invention
The startup method that the objective of the invention is to overcome the defective of prior art and a kind of permagnetic synchronous motor is provided, this startup method is simple, be easy to realize, and with low cost.
The technical scheme that realizes above-mentioned purpose is:
A kind of startup method of permagnetic synchronous motor comprises the following steps:
(a) preset constant torque, and provide continuous sinusoidal voltage to make its rotation to said permagnetic synchronous motor;
(b) make said permagnetic synchronous motor with a constant acceleration rotation;
(c) after said permagnetic synchronous motor quickens to finish, it is switched to the closed-loop control state, obtain the commutation angle through position and speed estimator, thereby start said permagnetic synchronous motor according to this commutation angle.
The startup method of above-mentioned permagnetic synchronous motor wherein, in the described step (a), is provided with described constant torque through a bulk potential device.
The startup method of above-mentioned permagnetic synchronous motor, wherein, in the described step (b), in the said permagnetic synchronous motor accelerator, FOC (vector control) algorithm controls torque current component and flux current component.
The startup method of above-mentioned permagnetic synchronous motor, wherein, in the described step (b), in the process that the acceleration of said permagnetic synchronous motor increases, the commutation angle increases progressively with square law.
The startup method of above-mentioned permagnetic synchronous motor, wherein, in the described step (c), said permagnetic synchronous motor switches to the closed-loop control state of no transducer with it after quickening to finish.
The invention has the beneficial effects as follows: startup method of the present invention makes that the startup of permagnetic synchronous motor is simple, be easy to realization, and with low cost.
Description of drawings
Fig. 1 is the flow process control sketch of FOC algorithm;
Fig. 2 is in the permagnetic synchronous motor accelerator, the variation diagram of commutation angle.
Embodiment
To combine accompanying drawing that the present invention is described further below.
The startup method of permagnetic synchronous motor of the present invention comprises the following steps:
(a) come to be provided with in advance a constant torque through a bulk potential device, and make control device produce continuous sinusoidal voltage to supply with said permagnetic synchronous motor and make its rotation;
(b) acceleration along with said permagnetic synchronous motor constantly increases, and commutation angle θ increases progressively with square law, makes said permagnetic synchronous motor with a constant acceleration rotation, in this process, utilizes FOC algorithm controls torque current component i
qWith flux current component i
dSeeing also Fig. 2, is in the permagnetic synchronous motor accelerator, the variation diagram of commutation angle θ;
(c) after said permagnetic synchronous motor quickens to finish, it is switched to the closed-loop control state of no transducer, obtain commutation angle θ through position and speed estimator, thereby start said permagnetic synchronous motor according to this commutation angle θ.
Above-mentioned FOC algorithm refers to vector control algorithm, sees also Fig. 1, and its bare bones is following:
1. the threephase stator current i of motor
a, i
b, i
cCan measure.And has following relation: i
a+ i
b+ i
c=0;
2. the i that comes from measurement
a, i
bAnd calculate the i get
c, obtain i through the Clarke conversion
αAnd i
β, from stator angle i
αAnd i
βIt is variable.Wherein, the Clarke conversion refers to three photo coordinate system abc to two mutually static rectangular coordinate system α β conversions;
3. pass through the Park conversion from i
αAnd i
βCan convert i to
dAnd i
q, wherein, the Park conversion refer to two mutually static rectangular coordinate system α β to two select rectangular coordinate system mutually conversion dq, promptly hand over/straight conversion.
4.i
dAnd i
qPossibly obtain error signal and reference value I
dAnd I
qCan be able to down relation:
(1) reference quantity I
dControlling the magnetic flux of rotor.
(2) reference quantity I
qControl motor output torque.
(3) error signal input PI (ratio-integration) controller.
(4) the PI controller is output as V
dAnd V
q, this is a pair of voltage vector.
5. the V that exports with the PI controller
d, V
qAnd new commutation angle θ, can conversion obtain quadrature voltage v
α, v
β
6. quadrature voltage v
α, v
βConvert three-phase voltage to, this three-phase voltage is used to calculate new PWM (pulse width modulation), uses SVM (space vector pulse width modulation) technology to confirm PWM, reaches the purpose of control permagnetic synchronous motor.
Above embodiment only supplies to explain the present invention's usefulness; But not limitation of the present invention; The technical staff in relevant technologies field under the situation that does not break away from the spirit and scope of the present invention, can also make various conversion or modification; Therefore all technical schemes that are equal to also should belong to category of the present invention, should be limited each claim.
Claims (5)
1. the startup method of a permagnetic synchronous motor is characterized in that, comprises the following steps:
(a) preset constant torque, and provide continuous sinusoidal voltage to make its rotation to said permagnetic synchronous motor;
(b) make said permagnetic synchronous motor with a constant acceleration rotation;
(c) after said permagnetic synchronous motor quickens to finish, it is switched to the closed-loop control state, obtain the commutation angle through position and speed estimator, thereby start said permagnetic synchronous motor according to this commutation angle.
2. the startup method of permagnetic synchronous motor according to claim 1 is characterized in that, in the described step (a), through a bulk potential device described constant torque is set.
3. the startup method of permagnetic synchronous motor according to claim 1 is characterized in that, in the described step (b), and in the said permagnetic synchronous motor accelerator, FOC algorithm controls torque current component and flux current component.
4. according to the startup method of claim 1 or 3 described permagnetic synchronous motors, it is characterized in that in the described step (b), in the process that the acceleration of said permagnetic synchronous motor increases, the commutation angle increases progressively with square law.
5. the startup method of permagnetic synchronous motor according to claim 1 is characterized in that, in the described step (c), said permagnetic synchronous motor switches to the closed-loop control state of no transducer with it after quickening to finish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104138430A CN102497142A (en) | 2011-12-13 | 2011-12-13 | Starting method for permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104138430A CN102497142A (en) | 2011-12-13 | 2011-12-13 | Starting method for permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102497142A true CN102497142A (en) | 2012-06-13 |
Family
ID=46188940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104138430A Pending CN102497142A (en) | 2011-12-13 | 2011-12-13 | Starting method for permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102497142A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141210A (en) * | 2015-06-23 | 2015-12-09 | 无锡新大洲电动车有限公司 | Permanent-magnetic synchronous motor field-oriented control method |
| CN111431446A (en) * | 2019-01-08 | 2020-07-17 | 台达电子工业股份有限公司 | Motor control method and device |
| CN112943671A (en) * | 2021-04-12 | 2021-06-11 | 青岛海信日立空调系统有限公司 | Air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1748357A (en) * | 2002-12-11 | 2006-03-15 | 艾默生电气公司 | Sensorless control system and method for a permanent magnet rotating machine |
| CN1976211A (en) * | 2006-12-12 | 2007-06-06 | 浙江大学 | Mixed speed regulating method for permanent magnetic synchronous motor |
| CN101051806A (en) * | 2007-05-17 | 2007-10-10 | 同济大学 | Novel electric driving control system and method for vehicle air conditioner compressor |
| CN101567652A (en) * | 2008-04-22 | 2009-10-28 | 通用汽车环球科技运作公司 | Permanent magnet motor start-up |
| CN101594114A (en) * | 2009-07-02 | 2009-12-02 | 哈尔滨工业大学 | Method for determining initial position angle of rotor of permanent magnet synchronous motor |
| CN101814882A (en) * | 2010-04-19 | 2010-08-25 | 哈尔滨工程大学 | Position-sensor-free permasyn motor direct driving device and driving method |
| CN101917152A (en) * | 2010-07-29 | 2010-12-15 | 宁波奥克斯空调有限公司 | Starting method of permanent-magnet synchronous compressor for variable-frequency air conditioner |
| CN101984554A (en) * | 2010-12-01 | 2011-03-09 | 东元总合科技（杭州）有限公司 | Method for starting motor without sensor |
-
2011
- 2011-12-13 CN CN2011104138430A patent/CN102497142A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1748357A (en) * | 2002-12-11 | 2006-03-15 | 艾默生电气公司 | Sensorless control system and method for a permanent magnet rotating machine |
| CN1976211A (en) * | 2006-12-12 | 2007-06-06 | 浙江大学 | Mixed speed regulating method for permanent magnetic synchronous motor |
| CN101051806A (en) * | 2007-05-17 | 2007-10-10 | 同济大学 | Novel electric driving control system and method for vehicle air conditioner compressor |
| CN101567652A (en) * | 2008-04-22 | 2009-10-28 | 通用汽车环球科技运作公司 | Permanent magnet motor start-up |
| CN101594114A (en) * | 2009-07-02 | 2009-12-02 | 哈尔滨工业大学 | Method for determining initial position angle of rotor of permanent magnet synchronous motor |
| CN101814882A (en) * | 2010-04-19 | 2010-08-25 | 哈尔滨工程大学 | Position-sensor-free permasyn motor direct driving device and driving method |
| CN101917152A (en) * | 2010-07-29 | 2010-12-15 | 宁波奥克斯空调有限公司 | Starting method of permanent-magnet synchronous compressor for variable-frequency air conditioner |
| CN101984554A (en) * | 2010-12-01 | 2011-03-09 | 东元总合科技（杭州）有限公司 | Method for starting motor without sensor |
Non-Patent Citations (1)
| Title |
|---|
| 王子辉等: "反电势算法的永磁同步电机无位置传感器自启动过程", 《电机与控制学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105141210A (en) * | 2015-06-23 | 2015-12-09 | 无锡新大洲电动车有限公司 | Permanent-magnetic synchronous motor field-oriented control method |
| CN111431446A (en) * | 2019-01-08 | 2020-07-17 | 台达电子工业股份有限公司 | Motor control method and device |
| CN112943671A (en) * | 2021-04-12 | 2021-06-11 | 青岛海信日立空调系统有限公司 | Air conditioner |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110224648B (en) | Permanent magnet synchronous motor parameter identification and position sensorless control method and system | |
| CN102868350B (en) | The accurate closed loop starting method of brushless DC motor without position sensor | |
| CN106330046B (en) | The five mutually fault-tolerant magneto method for controlling position-less sensor based on certain loads | |
| JP5933810B2 (en) | Motor control device | |
| KR102267061B1 (en) | Power apparatus, controlling method thereof and motor driving apparatus therein | |
| JP5281339B2 (en) | Synchronous motor drive system and control device used therefor | |
| EP3179624B1 (en) | Position sensorless permanent magnet electrical machine | |
| CN103746619B (en) | Synchronous motor start control method and system | |
| CN108390602B (en) | A kind of direct prediction power control method of hybrid exciting synchronous motor | |
| CN104868808B (en) | Aerial three-stage brushless power generation system starting excitation control method of two-phase exciter | |
| TW201601445A (en) | System, method and apparatus of sensor-less field oriented control for permanent magnet motor | |
| KR101225165B1 (en) | Method to control starting of sensorless Permanent Magnet Synchronous Motor | |
| JP2002051580A (en) | Position-sensorless control method for synchronous motor, and position-sensorless controller | |
| CN102497142A (en) | Starting method for permanent magnet synchronous motor | |
| Sanita et al. | Modelling and simulation of four quadrant operation of three phase brushless DC motor with hysteresis current controller | |
| JP2019208329A (en) | Sensorless vector control device and sensorless vector control method | |
| TWI504136B (en) | Dual-mode drive method and apparatus thereof | |
| Semenov et al. | Position estimation for sensorless FOC of five-phase PMSM in electric vehicles | |
| KR20160065291A (en) | Motor driving module | |
| JP2012138982A (en) | Motor controller and electric apparatus | |
| JP5082216B2 (en) | Rotation detection device for turbocharger with electric motor and rotation detection method for turbocharger with electric motor | |
| JP2010226827A (en) | Motor control drive device and motor start positioning method | |
| JP2016005321A (en) | Synchronous motor drive system | |
| CN107947668A (en) | A kind of method for being used to detect state before motor operation | |
| JP2007282319A (en) | Synchronous motor control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120613 |