CN205029582U - Built -in PMSM controlling means - Google Patents
Built -in PMSM controlling means Download PDFInfo
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- CN205029582U CN205029582U CN201520858094.6U CN201520858094U CN205029582U CN 205029582 U CN205029582 U CN 205029582U CN 201520858094 U CN201520858094 U CN 201520858094U CN 205029582 U CN205029582 U CN 205029582U
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- Prior art keywords
- controller
- synchronous motor
- permanent magnet
- motor
- magnet synchronous
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Abstract
The utility model provides a built -in PMSM controlling means, belongs to the motor control technology field. The utility model discloses a solve motor terminal voltage and rise after the peak voltage threshold value that the dc -to -ac converter can export along with the rotational speed, motor armature winding electric current can not increase again, the motor can not produce the torque that meets the demands, can't keep the problem that permanent power moved down high -speed. The utility model discloses an alternating current power supply, the rectifier filter, inverter, a AC servo motor, a controller, CAN bus agreement box, the host computer, drive circuit and current detection circuit, alternating current power supply passes through the rectifier filter and links to each other with the dc -to -ac converter, the dc -to -ac converter links to each other with PMSM, PMSM passes through electrical resolver and digital decoder chips links to each other with the controller, the host computer passes through CAN bus agreement box and links to each other with the controller, current detection circuit links to each other with the controller, the controller passes through drive circuit and links to each other with the dc -to -ac converter. The utility model discloses satisfy motor constant power control and make the motor obtain wideer speed governing scope.
Description
Technical field
The utility model relates to a kind of internal permanent magnet synchronous motor control device, belongs to motor control technology field.
Background technology
Internal permanent magnet synchronous motor, with advantages such as its high reliability, High Power Factor, compact conformation, good speed adjustment features, is widely used in the speed-adjusting driving systems such as convertible frequency air-conditioner, variable-frequency washing machine, refrigerator, electric automobile, electric locomotive.Because the back-emf of built-in permanent-magnet synchronous motor is directly proportional to rotating speed, therefore after motor terminal voltage to be elevated to the maximum voltage threshold value that inverter can export with rotating speed, armature winding current can not increase again, if do not adopt corresponding control strategy, motor can not produce the torque met the demands, and cannot maintain output-constant operation at high speeds.
Utility model content
The purpose of this utility model is to solve after motor terminal voltage is elevated to rotating speed the maximum voltage threshold value that inverter can export, armature winding current can not increase again, motor can not produce the torque met the demands, the problem of output-constant operation cannot be maintained at high speeds, and then a kind of internal permanent magnet synchronous motor control device is provided.
The technical solution of the utility model:
A kind of internal permanent magnet synchronous motor control device comprises AC power, rectifier filter, inverter, internal permanent magnet synchronous motor, resolver, digital decoding chip, controller, CAN agreement box, host computer, drive circuit and current detection circuit, described AC power 1 is connected with inverter by rectifier filter, described inverter is connected with permagnetic synchronous motor, described permagnetic synchronous motor is connected with controller with digital decoding chip by resolver, described host computer is connected with controller by CAN agreement box, described current detection circuit is connected with controller, described controller is connected with inverter by drive circuit.
Preferred: described controller comprises Master control chip, described Master control chip is 32 single-chip microcomputers.
Preferred: described digital decoding chip be possess 10 ~ 16 bit resolutions follow the tracks of revolve change digital quantizer.
Preferred: described host computer refers to any one in industrial computer, PC or PC.
Preferred: current detection circuit is made up of current Hall transducer.
Preferred: the control system of described controller comprises speed regulator, MPTA unit, current regulator, weak magnetics detect unit, Park inverse transformation block, SVPWM pulse modulator and coordinate transformation unit, described speed adjustment device is connected with current regulator by MPTA unit, described Park inverse transformation block is connected with current regulator, Park inverse transformation block is connected on drive circuit by SVPWM pulse modulator, described weak magnetics detect unit is connected in the communication line of MPTA unit and current regulator, described coordinate transformation unit is connected with current detection circuit.
The utility model has following beneficial effect: a kind of internal permanent magnet synchronous motor control device of the present utility model, this device adopts field weakening control method, and in conjunction with space vector pulse width modulation, make motor when high-speed cruising, after motor terminal voltage reaches DC side voltage of converter permission output maximum, by regulating stator current, namely the balance of voltage when stator d-axis demagnetizing current component maintains high-speed cruising is increased, thus meet power limitation control and make motor obtain wider speed adjustable range, solve after motor terminal voltage is elevated to rotating speed the maximum voltage threshold value that inverter can export, armature winding current can not increase again, motor can not produce the torque met the demands, the problem of output-constant operation cannot be maintained at high speeds.
Accompanying drawing explanation
Fig. 1 is the utility model structured flowchart.
Fig. 2 is the structured flowchart of the utility model middle controller.
1-AC power in figure, 2-rectifier filter, 3-inverter, 4-internal permanent magnet synchronous motor, 5-resolver, 6-digital decoding chip, 7-controller, 8-CAN bus protocol box, 9-host computer, 10-drive circuit, 11-current detection circuit, 12-speed regulator, 13-MPTA unit, 14-current regulator, 15-weak magnetics detect unit, 16-Park inverse transformation block, 17-SVPWM pulse modulator, 18-coordinate transformation unit.
Embodiment
Embodiment one: composition graphs 1 to Fig. 2 illustrates present embodiment, a kind of internal permanent magnet synchronous motor control device of present embodiment comprises AC power 1, rectifier filter 2, inverter 3, internal permanent magnet synchronous motor 4, resolver 5, digital decoding chip 6, controller 7, CAN agreement box 8, host computer 9, drive circuit 10 and current detection circuit 11, described AC power 1 is connected with inverter 3 by rectifier filter 2, described inverter 3 is connected with permagnetic synchronous motor 4, described permagnetic synchronous motor 4 is connected with controller 7 with digital decoding chip 6 by resolver 5, described host computer is connected with controller 7 by CAN agreement box 8, described current detection circuit 11 is connected with controller 7, described controller 7 is connected 3 by drive circuit 10 with inverter, described host computer refers to any one in industrial computer, PC or PC, current detection circuit is made up of current Hall transducer.Setting like this, the utility model device with TC1782 single-chip microcomputer for control core chip, and be equipped with drive circuit 10 for it, inverter 3, current detection circuit 11 and digital decoding chip 6, current detection circuit 11 and digital decoding chip 6 are by the stator current signal of internal permanent magnet synchronous motor, rotor position data and motor speed data are input to controller 7, the SVPWM output of pulse signal that controller 7 will obtain based on field weakening control method, three-phase symmetrical sinusoidal voltage is exported in order to drive inverter by drive circuit 10, thus produce constant electromagnetic torque, final realization is to the control of motor.
Embodiment two: composition graphs 1 illustrates present embodiment, the controller described in a kind of internal permanent magnet synchronous motor control device of present embodiment adopts 32 single-chip microcomputer TC1782 of Infineon company as Master control chip.
Embodiment three: composition graphs 1 and Fig. 2 illustrate present embodiment, the digital decoding chip 6 described in a kind of internal permanent magnet synchronous motor control device of present embodiment be possess 10 ~ 16 bit resolutions follow the tracks of revolve change digital quantizer, digital decoding chip 6 AD2S1210 of ADI company, and the rotor-position of the permagnetic synchronous motor collected and motor speed data are input to controller.Setting like this, digital decoding chip 6 has and has advantage below: the continuous position data of (1), switching hysteresis export, and possesses the anti-noise ability of reference signal and input signal and allow harmonic distortion.(2), failure detector circuit can measure revolve that varying signal is lost, input outrange, input are not mated or position is followed the tracks of and lost, failure determination threshold value can need according to user's application-specific setting of programming respectively.(3), sinusoidal and cosine input can receive 3.15Vp-p ± 27% differential voltage.(4), driving frequency able to programme, be easy to arrange in the series of standards frequency that is activated between 2kHz to 20kHz by programming.(5), the positional information of three kinds of forms, the angle position data of 10 ~ 16 of absolute type obtains by following three kinds of modes: the standard A B orthogonal increment encoder that 16 parallel-by-bit interfaces, 4 line serial line interfaces and band direction export is intended true.(6), digital speed export, 16 parallel ports or 4 line serial ports all can read 10 ~ 16 bit strip sign digit speed.
Embodiment four: composition graphs 2 illustrates present embodiment, the control system of the controller 7 described in a kind of internal permanent magnet synchronous motor control device of present embodiment comprises speed regulator 12, MPTA unit 13, current regulator 14, weak magnetics detect unit 15, Park inverse transformation block 16, SVPWM pulse modulator 17 and coordinate transformation unit 18, described speed adjustment device 12 is connected with current regulator 14 by MPTA unit 13, described Park inverse transformation block 16 is connected with current regulator 14, Park inverse transformation block 16 is connected on drive circuit 10 by SVPWM pulse modulator 17, described weak magnetics detect unit 15 is connected in the communication line of MPTA unit 13 and current regulator 14, described coordinate transformation unit 18 is connected with current detection circuit 11.Setting like this, after gained motor stator side phase current ia, ib treated device 7 internal calculation is obtained ic electric current by current detection circuit 11, the rotor angular position thetar obtained with digital decoding chip 6 again combines, the internal calculation that two-phase rotating coordinate system current i d and iq, id and iq participate in current regulator 14 is obtained through coordinate transformation unit 18; Compared with the feedback rotating speed n that given rotating speed n* and decoding chip obtain, the revised current setting value id that current setting value iq* and id* and weak magnetics detect unit 15 obtain is obtained through speed regulator 12 and MTPA unit 13, m*, iq, m* compares and obtains V1, V2, voltage U d, the Uq of d axle and q axle is obtained again through current regulator 14, then the rotor angular position thetar obtained with digital decoding chip 6 combines, and obtains voltage U α and the U β of two-phase rest frame through Park inverse transformation 16; U α and U β obtains six tunnel pulses through SVPWM module 17 and gives drive circuit 10, is used for driving inverter 3, and then controls permagnetic synchronous motor.
The exemplary illustration of present embodiment just to this patent, does not limit its protection range, and those skilled in the art can also change, as long as no the Spirit Essence exceeding this patent, in the protection range of this patent its local.
Claims (6)
1. an internal permanent magnet synchronous motor control device, comprise AC power (1), rectifier filter (2), inverter (3), internal permanent magnet synchronous motor (4), resolver (5), digital decoding chip (6), controller (7), CAN agreement box (8), host computer (9), drive circuit (10) and current detection circuit (11), it is characterized in that: described AC power (1) is connected with inverter (3) by rectifier filter (2), described inverter (3) is connected with permagnetic synchronous motor (4), described permagnetic synchronous motor (4) is connected with controller (7) with digital decoding chip (6) by resolver (5), described host computer is connected with controller (7) by CAN agreement box (8), described current detection circuit (11) is connected with controller (7), described controller (7) is connected (3) by drive circuit (10) with inverter.
2. a kind of internal permanent magnet synchronous motor control device according to claim 1, is characterized in that: described controller (7) comprises Master control chip, and described Master control chip is 32 single-chip microcomputers.
3. a kind of internal permanent magnet synchronous motor control device according to claim 1, is characterized in that: described digital decoding chip (6) be possess 10 ~ 16 bit resolutions follow the tracks of revolve change digital quantizer.
4. a kind of internal permanent magnet synchronous motor control device according to claim 1, is characterized in that: described host computer (9) refers to any one in industrial computer, PC or PC.
5. a kind of internal permanent magnet synchronous motor control device according to claim 1, is characterized in that: current detection circuit is made up of current Hall transducer.
6. a kind of internal permanent magnet synchronous motor control device according to claim 1, it is characterized in that: the control system of described controller (7) comprises speed regulator (12), MPTA unit (13), current regulator (14), weak magnetics detect unit (15), Park inverse transformation block (16), SVPWM pulse modulator (17) and coordinate transformation unit (18), described speed adjustment device (12) is connected with current regulator (14) by MPTA unit (13), described Park inverse transformation block (16) is connected with current regulator (14), Park inverse transformation block (16) is connected on drive circuit (10) by SVPWM pulse modulator (17), described weak magnetics detect unit (15) is connected in the communication line of MPTA unit (13) and current regulator (14), described coordinate transformation unit (18) is connected with current detection circuit (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858094.6U CN205029582U (en) | 2015-10-29 | 2015-10-29 | Built -in PMSM controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520858094.6U CN205029582U (en) | 2015-10-29 | 2015-10-29 | Built -in PMSM controlling means |
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| Publication Number | Publication Date |
|---|---|
| CN205029582U true CN205029582U (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520858094.6U Expired - Fee Related CN205029582U (en) | 2015-10-29 | 2015-10-29 | Built -in PMSM controlling means |
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| CN (1) | CN205029582U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109167536A (en) * | 2018-09-26 | 2019-01-08 | 南京越博电驱动系统有限公司 | A kind of system hardware architecture of electric machine controller |
| CN110518849A (en) * | 2019-09-04 | 2019-11-29 | 北京理工大学 | A kind of permanent magnet synchronous motor torque capacity electric current is than voltage vector directional controlling method |
| CN110829917A (en) * | 2018-08-06 | 2020-02-21 | 龙海特尔福汽车电子研究所有限公司 | Flux weakening control system and method for permanent magnet synchronous motor |
| WO2020098746A1 (en) * | 2018-11-14 | 2020-05-22 | 苏州绿控新能源科技有限公司 | Hardware acceleration method for current loop in control algorithm for permanent magnet synchronous motor |
-
2015
- 2015-10-29 CN CN201520858094.6U patent/CN205029582U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110829917A (en) * | 2018-08-06 | 2020-02-21 | 龙海特尔福汽车电子研究所有限公司 | Flux weakening control system and method for permanent magnet synchronous motor |
| CN109167536A (en) * | 2018-09-26 | 2019-01-08 | 南京越博电驱动系统有限公司 | A kind of system hardware architecture of electric machine controller |
| WO2020098746A1 (en) * | 2018-11-14 | 2020-05-22 | 苏州绿控新能源科技有限公司 | Hardware acceleration method for current loop in control algorithm for permanent magnet synchronous motor |
| CN110518849A (en) * | 2019-09-04 | 2019-11-29 | 北京理工大学 | A kind of permanent magnet synchronous motor torque capacity electric current is than voltage vector directional controlling method |
| CN110518849B (en) * | 2019-09-04 | 2020-12-01 | 北京理工大学 | Permanent magnet synchronous motor maximum torque current ratio voltage vector directional control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20161029 |
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| CF01 | Termination of patent right due to non-payment of annual fee |