CN108413999A - A kind of permanent magnet synchronous motor magnetic compiles zero detector and its method - Google Patents
A kind of permanent magnet synchronous motor magnetic compiles zero detector and its method Download PDFInfo
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- CN108413999A CN108413999A CN201810195412.3A CN201810195412A CN108413999A CN 108413999 A CN108413999 A CN 108413999A CN 201810195412 A CN201810195412 A CN 201810195412A CN 108413999 A CN108413999 A CN 108413999A
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- permanent magnet
- magnet synchronous
- synchronous motor
- control device
- zero
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
Abstract
The invention discloses a kind of permanent magnet synchronous motor magnetic to compile zero detector and its method, including D.C. regulated power supply, drive control device, encoder, permanent magnet synchronous motor, torquemeter, dynamometer machine, communication converter and host computer, a kind of permanent magnet synchronous motor magnetic volume zero testing method, includes the following steps：Step [1], unlatching and Accelerating running permanent magnet synchronous motor, open dynamometer machine simultaneously, dynamometer machine is with rotating speed mode operation, until permanent magnet synchronous motor acceleration turns to the one third of rated speed, then stop accelerating, then drive control device is operated in into electric current ring mode using host computer, then applies two primary currents to permanent magnet synchronous motor respectively；Step [2], the torque parameter data that shows of analysis torquemeter, torque parameter data no more than nominal torque percent second permanent magnet synchronous motor magnetic compile that zeroing is errorless, on the contrary then permanent magnet synchronous motor magnetic volume returns to zero wrong.Accuracy of detection of the present invention is high, and accuracy is high.
Description
Technical field
The present invention relates to a kind of permanent magnet synchronous motor magnetic to compile zero detector and its method.
Background technology
With the rapid development of pure electric automobile, PMSM Drive System uses more and more extensive, while right
The required precision of angle of rotor of motor is also higher and higher.In permanent magnet synchronous motor pull-in control system, the identification of rotor angle
Precision greatly affected the high efficiency and stability of the operation of whole system, so needing to study some reliable and stable detections
Method ensures that rotor angle can correctly be picked out and carry out and meet relevant required precision.
The related patents about the identification of permanent magnet synchronous motor magnetic polar angle also have much at present, such as application No. is
200910073167.X Chinese invention patent application disclose a kind of discrimination method of permanent magnet synchronous motor magnetic polar angle.It should
Method is realized with a kind of more complicated control algolithm, such in actual use to have certain limitation, master
If it is larger to pick out the angular deviation come.Because it is poor that the method itself picks out the angle precision come, can not be used for
Detection magnetic compiles the accuracy of zeroing.
Application No. is 201510476961.4 Chinese invention patent applications to disclose a kind of use skill of magnetic encoder
Art scheme.The program proposes magnetic coder internal register structure, and register architecture is made of three parts：OTP register is repaiied
Positive device and external interface also refer to carry out magnetic volume zeroing using winding back emf, but in the event of wrong, the OTP that returns to zero
Register incorporates the data of mistake, how the magnetic volume for incorporating wrong data detected, has no and refer in text.In reality
During use, the phenomenon that zeroing error, still often occurs, if detected not in time, by strong influence product
Reliability.
Invention content
The purpose of the present invention is overcoming the shortcomings of in existing product, a kind of permanent magnet synchronous motor magnetic volume zero testing dress is provided
It sets and its method.
In order to achieve the above object, the present invention is achieved by the following technical solutions：
A kind of permanent magnet synchronous motor magnetic compiles zero detector, including D.C. regulated power supply, drive control device, encoder,
Permanent magnet synchronous motor, torquemeter, dynamometer machine, communication converter and host computer, D.C. regulated power supply connect drive control device, coding
Device, permanent magnet synchronous motor all connect drive control device, and encoder connects permanent magnet synchronous motor, and drive control device is converted by communicating
Device connects host computer, and permanent magnet synchronous motor passes through torquemeter dynamometer machine for connecting.
Drive control device includes q shaft current rings adjuster, d shaft current rings adjuster, PARK inverse transform modules, SVPWM moulds
Block, PARK conversion modules, CLAKE conversion modules, inverter, the q shaft currents ring adjuster, d shaft current rings adjuster,
PARK inverse transform modules, SVPWM modules, PARK conversion modules, CLAKE conversion modules, inverter, encoder, permanent magnet synchronous electric
Mechanism is at current close-loop control system.
Communication converter is the communication converter of RS422 RS 232s.
Dragging motor inside torquemeter dynamometer machine for connecting and tested motor.
A kind of permanent magnet synchronous motor magnetic volume zero testing method, includes the following steps：
Step [1], unlatching and Accelerating running permanent magnet synchronous motor, while dynamometer machine is opened, dynamometer machine is with rotating speed pattern
Then operation stops accelerating, then utilize upper until permanent magnet synchronous motor acceleration turns to the one third of rated speed
Drive control device is operated in electric current ring mode by position machine, then applies two primary currents to permanent magnet synchronous motor respectively, for the first time electricity
Stream is set to 0 to d, q shaft current of permanent magnet synchronous motor, and the first primary current is for detecting torquemeter zero-bit, the second primary current
0, d shaft currents are set as to the q shaft currents of permanent magnet synchronous motor and are set as rated current, and record the torque ginseng that torquemeter is shown
Number data；
The torque parameter data that step [2], analysis torquemeter are shown, torque parameter data are not more than the percentage of nominal torque
Second permanent magnet synchronous motor magnetic to compile zeroing errorless, on the contrary then permanent magnet synchronous motor magnetic, which is compiled, to return to zero wrong, needs rezeroing.
The drive control device uses Current Decoupling vector control mode.
Beneficial effects of the present invention are as follows：The present invention can quickly detect whether permanent magnet synchronous motor magnetic volume returns to zero just
Really, and accuracy of detection is high, and accuracy is high, and the configuration of the present invention is simple is at low cost.
Description of the drawings
Fig. 1 is the system block diagram of the present invention.
Specific implementation mode
Technical scheme of the present invention is described further below in conjunction with the accompanying drawings：
Embodiment：
As shown in Figure 1, a kind of permanent magnet synchronous motor magnetic compiles zero detector, including D.C. regulated power supply 1, drive control
Device 2, encoder 4, permanent magnet synchronous motor 3, torquemeter 5, dynamometer machine 6, communication converter 7 and host computer 8, the DC voltage-stabilizing
Power supply 1 connects drive control device 2, and the encoder 4, permanent magnet synchronous motor 3 all connect drive control device 2, permanent magnet synchronous motor 3
Current close-loop control system is built between the encoder 4 and the drive control device 2, the encoder 4 connects permanent magnetism
Synchronous motor 3, the drive control device 2 connect host computer 8 by communication converter 7, and the permanent magnet synchronous motor 3 passes through torque
5 dynamometer machine for connecting 6 of instrument.The drive control device 2 includes q shaft current rings adjuster, d shaft current rings adjuster, PARK inverse transformations
Module, SVPWM modules, PARK conversion modules, CLAKE conversion modules, inverter, the q shaft currents ring adjuster, d shaft currents
Ring adjuster, PARK inverse transform modules, SVPWM modules, PARK conversion modules, CLAKE conversion modules, inverter, encoder 4,
Permanent magnet synchronous motor 3 constitutes current close-loop control system.
The communication converter 7 is the communication converter of RS422 RS 232s.Inside 5 dynamometer machine for connecting 6 of the torquemeter
Dragging motor and tested motor.
A kind of permanent magnet synchronous motor magnetic volume zero testing method, includes the following steps：
Step [1], unlatching and Accelerating running permanent magnet synchronous motor 3, while dynamometer machine 6 is opened, dynamometer machine 6 is with rotating speed
Then mode operation stops accelerating, then until the acceleration of permanent magnet synchronous motor 3 turns to the one third of rated speed
Drive control device 2 is operated in into electric current ring mode using host computer 8, then gives permanent magnet synchronous motor 3 to apply two primary currents respectively,
First primary current is set to 0 to d, q shaft current of permanent magnet synchronous motor 3, and the first primary current is used to detect 5 zero-bit of torquemeter,
Second primary current is set as 0, d shaft currents to the q shaft currents of permanent magnet synchronous motor 3 and is set as rated current, and records torquemeter
The torque parameter data of 5 displays, drive control device 2 use Current Decoupling vector control mode；
The torque parameter data that step [2], analysis torquemeter 5 are shown, torque parameter data are not more than the hundred of nominal torque
/ second to compile zeroing errorless for 3 magnetic of permanent magnet synchronous motor, on the contrary then 3 magnetic of permanent magnet synchronous motor, which is compiled, to return to zero wrong, needs to adjust again
Zero.
It is below 5kw with power, rated current 100A, 3000 turns of rated speed, rated moment is that the permanent magnetism of 16N is same
Illustrate the detailed process of detection method for step motor group.
Permanent magnet synchronous motor in permanent magnet synchronous electric unit is marked as 1 to 10.
1) according to Fig. 1, modules are connected,
2) drive control device uses the vector control mode of Current Decoupling, including q shaft current rings adjuster, d shaft current rings
Adjuster, PARK inverse transform modules, SVPWM modules, PARK conversion modules, CLAKE conversion modules, inverter, the q shaft currents
Ring adjuster, d shaft current rings adjuster, PARK inverse transform modules, SVPWM modules, PARK conversion modules, CLAKE become mold changing
Block, inverter, encoder 4, permanent magnet synchronous motor 3 constitute current close-loop control system.；
3) unlatching and Accelerating running permanent magnet synchronous motor 3, while dynamometer machine 6 is opened, dynamometer machine 6 is transported with rotating speed pattern
Row, until the acceleration of permanent magnet synchronous motor 3 turns to the one third of rated speed, this Rated motor rotating speed is 3000 turns,
So needing rotating speed being promoted to 1000 turns, the upper computer software on computer is opened, is transported using upper computer selecting drive control device
Row pattern is electric current ring mode, and host computer D, Q shaft current is set as 0, the torque on dynamometer machine is checked after waiting for electric current to stablize
Parameter checks whether the torque parameter that dynamometer machine detects at this time is 0, and the zero of torductor is needed again if having deviation
Position.
4) D shaft currents are given by host computer and is set as rated current, this rated current of motor is 100A, so needing
D shaft currents are set as 100A, Q shaft currents are given to be set as zero, and after waiting for electric current to stablize, it is aobvious to record current torque instrument 5
The torque parameter value shown.
5) torque parameter no more than nominal torque percent be second defined as detection pass through, on the contrary it is then for magnetic compile return to zero have
Nothing needs rezeroing.Because Rated motor torque is 16N, torque deviation is then calculated detection within ± 0.32N and is passed through.
10 permanent magnet synchronous motors of same specification are tested according to above-mentioned testing procedure, test case is as follows.
Table one is is surveyed 10 electromechanical testing data：
Table 1
According to 1 data of table, only No. 9 permanent magnet synchronous motor test datas are not in the normal deviate range of ± 0.32N
Within, the equal test passes of remaining motor.Rezeroing is carried out at this time, it may be necessary to which the magnetic of No. 9 permanent magnet synchronous motors is compiled.Torque parameter
It is second defined as detection no more than the percent of nominal torque to pass through, rezeroing is second needed more than percent, therefore accurate
Degree is high, and accuracy is high.
The present invention can quickly detect whether permanent magnet synchronous motor magnetic volume returns to zero correctly, and accuracy of detection is high, accuracy
Height, the configuration of the present invention is simple are at low cost.
It should be noted that listed above is only a kind of specific embodiment of the present invention.It is clear that the invention is not restricted to
Upper embodiment, can also be there are many deforming, in short, those skilled in the art can directly lead from present disclosure
All deformations for going out or associating, are considered as protection scope of the present invention.
Claims (6)
1. a kind of permanent magnet synchronous motor magnetic compiles zero detector, which is characterized in that including D.C. regulated power supply（1）, driving control
Device processed（2）, encoder（4）, permanent magnet synchronous motor（3）, torquemeter（5）, dynamometer machine（6）, communication converter（7）And host computer
（8）, the D.C. regulated power supply（1）Connect drive control device（2）, the encoder（4）, permanent magnet synchronous motor（3）All connect
Drive control device（2）, the encoder（4）Connect permanent magnet synchronous motor（3）, the drive control device（2）It is converted by communicating
Device（7）Connect host computer（8）, the permanent magnet synchronous motor（3）Pass through torquemeter（5）Dynamometer machine for connecting（6）.
2. a kind of permanent magnet synchronous motor magnetic compiles zero detector according to claim 1, which is characterized in that the driving control
Device processed（2）Including q shaft current rings adjuster, d shaft current rings adjuster, PARK inverse transform modules, SVPWM modules, PARK transformation
Module, CLAKE conversion modules, inverter, the q shaft currents ring adjuster, d shaft current rings adjuster, PARK inverse transform modules,
SVPWM modules, PARK conversion modules, CLAKE conversion modules, inverter, encoder（4）, permanent magnet synchronous motor（3）Constitute electric current
Closed-loop control system.
3. a kind of permanent magnet synchronous motor magnetic compiles zero detector according to claim 1, which is characterized in that the communication turns
Parallel operation（7）For the communication converter of RS422 RS 232s.
4. a kind of permanent magnet synchronous motor magnetic compiles zero detector according to claim 1, which is characterized in that the torquemeter
（5）Dynamometer machine for connecting（6）Internal dragging motor and tested motor.
5. a kind of permanent magnet synchronous motor magnetic compiles zero testing method, which is characterized in that include the following steps：
Step [1], unlatching and Accelerating running permanent magnet synchronous motor（3）, while opening dynamometer machine（6）, dynamometer machine（6）With rotating speed
Mode operation, until permanent magnet synchronous motor（3）Until acceleration turns to the one third of rated speed, then stop accelerating, so
Host computer is utilized afterwards（8）By drive control device（2）Electric current ring mode is operated in, then gives permanent magnet synchronous motor respectively（3）Apply
Two primary currents, the first primary current is to permanent magnet synchronous motor（3）D, q shaft current be set to 0, the first primary current is turned round for detecting
Square instrument（5）Zero-bit, the second primary current is to permanent magnet synchronous motor（3）Q shaft currents be set as 0, d shaft currents and be set as specified electricity
Stream, and record torquemeter（5）The torque parameter data of display；
Step [2], analysis torquemeter（5）The torque parameter data of display, torque parameter data are not more than the percentage of nominal torque
Second permanent magnet synchronous motor（3）Magnetic compiles errorless, the on the contrary then permanent magnet synchronous motor that returns to zero（3）Magnetic volume zeroing is wrong, needs again
Zeroing.
6. a kind of permanent magnet synchronous motor magnetic compiles zero testing method according to claim 5, which is characterized in that the driving control
Device processed（2）Using Current Decoupling vector control mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195412.3A CN108413999A (en) | 2018-03-09 | 2018-03-09 | A kind of permanent magnet synchronous motor magnetic compiles zero detector and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195412.3A CN108413999A (en) | 2018-03-09 | 2018-03-09 | A kind of permanent magnet synchronous motor magnetic compiles zero detector and its method |
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| CN108413999A true CN108413999A (en) | 2018-08-17 |
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| CN201810195412.3A Pending CN108413999A (en) | 2018-03-09 | 2018-03-09 | A kind of permanent magnet synchronous motor magnetic compiles zero detector and its method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112713836A (en) * | 2020-11-25 | 2021-04-27 | 东风汽车集团有限公司 | Motor zero calibration device and method |
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| US20030071588A1 (en) * | 2001-09-04 | 2003-04-17 | Yoshitaka Iwaji | System for driving electric motor |
| EP1876698A1 (en) * | 2006-07-07 | 2008-01-09 | Schneider Toshiba Inverter Europe SAS | Method and device for estimating the speed of an electric motor |
| CN102497141A (en) * | 2011-12-06 | 2012-06-13 | 北京特种机械研究所 | High torque starting method for high power alternating current (AC) servo driver |
| CN103427752A (en) * | 2013-07-31 | 2013-12-04 | 新誉集团有限公司 | Method and device for measuring torque parameters of permanent-magnet synchronous motor |
| CN203406821U (en) * | 2013-07-31 | 2014-01-22 | 新誉集团有限公司 | A torque parameter measuring apparatus for a permanent magnet synchronous motor |
| CN106160594A (en) * | 2015-04-27 | 2016-11-23 | 比亚迪股份有限公司 | Method and system for permagnetic synchronous motor zero measurement |
| CN107167735A (en) * | 2017-07-21 | 2017-09-15 | 奇瑞汽车股份有限公司 | Motor Zero positioning system and method |
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2018
- 2018-03-09 CN CN201810195412.3A patent/CN108413999A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030071588A1 (en) * | 2001-09-04 | 2003-04-17 | Yoshitaka Iwaji | System for driving electric motor |
| EP1876698A1 (en) * | 2006-07-07 | 2008-01-09 | Schneider Toshiba Inverter Europe SAS | Method and device for estimating the speed of an electric motor |
| CN102497141A (en) * | 2011-12-06 | 2012-06-13 | 北京特种机械研究所 | High torque starting method for high power alternating current (AC) servo driver |
| CN103427752A (en) * | 2013-07-31 | 2013-12-04 | 新誉集团有限公司 | Method and device for measuring torque parameters of permanent-magnet synchronous motor |
| CN203406821U (en) * | 2013-07-31 | 2014-01-22 | 新誉集团有限公司 | A torque parameter measuring apparatus for a permanent magnet synchronous motor |
| CN106160594A (en) * | 2015-04-27 | 2016-11-23 | 比亚迪股份有限公司 | Method and system for permagnetic synchronous motor zero measurement |
| CN107167735A (en) * | 2017-07-21 | 2017-09-15 | 奇瑞汽车股份有限公司 | Motor Zero positioning system and method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112713836A (en) * | 2020-11-25 | 2021-04-27 | 东风汽车集团有限公司 | Motor zero calibration device and method |
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Application publication date: 20180817 |